{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-stooq",
  "component": "stooq-mcp",
  "generated_at": "2026-10-19T02:42:38.959Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "security": 99,
    "functional": 0,
    "cosmetic": 0
  },
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      "id": "chg_01a04277-2d61-770c-b14f-8edaf086ca98",
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      "from_value": "pass",
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      "materiality": "security",
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      "detail": {},
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      "occurred_at": "2026-08-27 09:05:01.027645+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a04277-2d61-770c-b14f-8edaf086ca98"
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    {
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      "subject": "stability",
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      "from_code": "stability.stable",
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      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
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      "score_delta": null,
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      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 09:05:01.027645+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a04277-2d6d-741e-8a60-a6ad046a1466"
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    {
      "id": "chg_01a04277-2d73-7aae-b6c5-bb10d7d11f72",
      "kind": "check.verdict",
      "family": "transport",
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      "subject": "transport",
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      "from_code": "transport.verified",
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        "status": "400",
        "transport": "streamable-http"
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      "occurred_at": "2026-08-27 09:05:01.027645+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a04277-2d73-7aae-b6c5-bb10d7d11f72"
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    {
      "id": "chg_01a04277-2d79-7d53-8e4d-b85a6b238639",
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      "subject": "tool-safety-injection",
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      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "occurred_at": "2026-08-27 09:05:01.027645+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a04277-2d79-7d53-8e4d-b85a6b238639"
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    {
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      "subject_kind": "server",
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      "from_value": "verified",
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        "to": "not_mcp",
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      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a04277-2d85-7b68-aafc-7d0b80f1ba11"
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      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 09:05:08.855083+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0382a-92ba-780f-9031-e9bbd44fb4c4"
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    {
      "id": "chg_01a02dde-75b4-7f09-8d8b-f2735aae3d83",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-08-23 09:05:48.788832+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02dde-75b4-7f09-8d8b-f2735aae3d83"
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    {
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:05:48.788832+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02dde-75b6-722f-a77d-6419a7a05c99"
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    {
      "id": "chg_01a02dde-75b6-772c-9ce2-146b133da206",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:05:48.788832+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02dde-75b6-772c-9ce2-146b133da206"
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    {
      "id": "chg_01a02dde-75b6-7ca0-afed-31cb5e59c30c",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "deep_research"
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      "occurred_at": "2026-08-23 09:05:48.788832+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02dde-75b6-7ca0-afed-31cb5e59c30c"
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    {
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      "subject_kind": "server",
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:05:48.788832+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02dde-75b7-7306-a616-b8dc7327bf00"
    },
    {
      "id": "chg_01a028b8-2ae1-77a8-adf4-26ab3130650e",
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      "subject_kind": "tool",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2ae1-77a8-adf4-26ab3130650e"
    },
    {
      "id": "chg_01a028b8-2ae1-7d65-80f3-1ea4bed22c03",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2ae1-7d65-80f3-1ea4bed22c03"
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    {
      "id": "chg_01a028b8-2ae4-749c-a222-389f36c326d7",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2ae4-749c-a222-389f36c326d7"
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    {
      "id": "chg_01a028b8-2ae4-7dbf-b728-1ba75513245d",
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      "family": "",
      "subject_kind": "server",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2ae4-7dbf-b728-1ba75513245d"
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    {
      "id": "chg_01a028b8-2ade-7493-bbb5-06dc01a7ed94",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2ade-7493-bbb5-06dc01a7ed94"
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    {
      "id": "chg_01a028b8-2adf-77cf-b022-d6f540dd7e2b",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
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      "from_code": null,
      "to_code": "auth.registration_cimd",
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      "to_value": "pass",
      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2adf-77cf-b022-d6f540dd7e2b"
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    {
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:05:53.194289+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a028b8-2adf-7e23-9230-a8af45687520"
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    {
      "id": "chg_01a02391-ae08-7b98-8cd7-0be42d46b4a7",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:05:44.721864+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02391-ae08-7b98-8cd7-0be42d46b4a7"
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    {
      "id": "chg_01a02391-ae0b-7621-9427-0ad92184d039",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:05:44.721864+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02391-ae0b-7621-9427-0ad92184d039"
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    {
      "id": "chg_01a02391-ae0c-724c-a1bc-6b0139d71c35",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:05:44.721864+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02391-ae0c-724c-a1bc-6b0139d71c35"
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    {
      "id": "chg_01a02391-ae0d-753c-8600-b73bb6925544",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:05:44.721864+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02391-ae0d-753c-8600-b73bb6925544"
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    {
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      "subject_kind": "server",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:05:44.721864+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a02391-ae0d-7a6e-b05e-b307f4a6ce40"
    },
    {
      "id": "chg_01a01e68-ee23-70d4-ae53-a0ae9eb127e4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 09:03:08.239465+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01e68-ee23-70d4-ae53-a0ae9eb127e4"
    },
    {
      "id": "chg_01a01e68-ee25-7bf0-9e8e-ab9273f9a562",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 09:03:08.239465+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01e68-ee25-7bf0-9e8e-ab9273f9a562"
    },
    {
      "id": "chg_01a01e68-ee26-7697-84b4-8fb2f4c80e4a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 09:03:08.239465+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01e68-ee26-7697-84b4-8fb2f4c80e4a"
    },
    {
      "id": "chg_01a01e68-ee27-7025-ab2d-da51452cb582",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 09:03:08.239465+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01e68-ee27-7025-ab2d-da51452cb582"
    },
    {
      "id": "chg_01a01e68-ee27-7792-a7ce-a16d1ab2393a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 09:03:08.239465+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01e68-ee27-7792-a7ce-a16d1ab2393a"
    },
    {
      "id": "chg_01a01942-d6df-71d0-966f-d3d2be0479d9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:03:25.756038+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01942-d6df-71d0-966f-d3d2be0479d9"
    },
    {
      "id": "chg_01a01942-d6e0-773d-bc01-55a7f5d6a2f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:03:25.756038+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01942-d6e0-773d-bc01-55a7f5d6a2f1"
    },
    {
      "id": "chg_01a01942-d6e0-7c03-ab9e-a046d9019815",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:03:25.756038+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01942-d6e0-7c03-ab9e-a046d9019815"
    },
    {
      "id": "chg_01a01942-d6e1-70cd-be94-ca459607a11b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:03:25.756038+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01942-d6e1-70cd-be94-ca459607a11b"
    },
    {
      "id": "chg_01a01942-d6e1-7940-bd80-1ba01f814591",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:03:25.756038+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a01942-d6e1-7940-bd80-1ba01f814591"
    },
    {
      "id": "chg_01a0141c-630a-7afe-99cf-72b163258cd6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 09:03:19.733961+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0141c-630a-7afe-99cf-72b163258cd6"
    },
    {
      "id": "chg_01a0141c-630c-786a-8abc-81cd8b9f2d82",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 09:03:19.733961+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0141c-630c-786a-8abc-81cd8b9f2d82"
    },
    {
      "id": "chg_01a0141c-630d-739d-9d3c-2900a25084d6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 09:03:19.733961+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0141c-630d-739d-9d3c-2900a25084d6"
    },
    {
      "id": "chg_01a0141c-630f-74ca-a9aa-83680b42d02f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 09:03:19.733961+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0141c-630f-74ca-a9aa-83680b42d02f"
    },
    {
      "id": "chg_01a0141c-630f-7c41-97bd-1004be11e7a4",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 09:03:19.733961+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a0141c-630f-7c41-97bd-1004be11e7a4"
    },
    {
      "id": "chg_01a00ef5-fc8e-7248-b21a-aca7d5606348",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc8e-7248-b21a-aca7d5606348"
    },
    {
      "id": "chg_01a00ef5-fc92-71c6-b582-562e9c9fbcb0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc92-71c6-b582-562e9c9fbcb0"
    },
    {
      "id": "chg_01a00ef5-fc92-7811-b4d5-a3b79974e497",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc92-7811-b4d5-a3b79974e497"
    },
    {
      "id": "chg_01a00ef5-fc92-7e87-8e6e-c3f5b8baab0f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc92-7e87-8e6e-c3f5b8baab0f"
    },
    {
      "id": "chg_01a00ef5-fc93-7ac8-a66f-9cdd63a79115",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc93-7ac8-a66f-9cdd63a79115"
    },
    {
      "id": "chg_01a00ef5-fc94-716b-8668-ed052f6474d7",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 09:03:16.927819+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a00ef5-fc94-716b-8668-ed052f6474d7"
    },
    {
      "id": "chg_01a009cf-d779-76e9-8329-433902de7ca7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 09:03:30.858861+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a009cf-d779-76e9-8329-433902de7ca7"
    },
    {
      "id": "chg_01a009cf-d77a-78c8-a3ea-3ee892eabadb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 09:03:30.858861+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a009cf-d77a-78c8-a3ea-3ee892eabadb"
    },
    {
      "id": "chg_01a009cf-d77b-7092-8190-8189462ffed7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 09:03:30.858861+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a009cf-d77b-7092-8190-8189462ffed7"
    },
    {
      "id": "chg_01a009cf-d77b-76f3-8155-f7b5c6c6cb11",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 09:03:30.858861+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a009cf-d77b-76f3-8155-f7b5c6c6cb11"
    },
    {
      "id": "chg_01a009cf-d789-7827-a9f9-1b35736c9086",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 09:03:30.858861+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a009cf-d789-7827-a9f9-1b35736c9086"
    },
    {
      "id": "chg_01a004a9-7474-757c-b31d-53f8c4794e6c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 09:03:29.352753+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a004a9-7474-757c-b31d-53f8c4794e6c"
    },
    {
      "id": "chg_01a004a9-7476-737a-98cf-e9a6894cde93",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 09:03:29.352753+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a004a9-7476-737a-98cf-e9a6894cde93"
    },
    {
      "id": "chg_01a004a9-7476-783a-8cf5-43c09e0165d1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 09:03:29.352753+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a004a9-7476-783a-8cf5-43c09e0165d1"
    },
    {
      "id": "chg_01a004a9-7477-7d79-b24f-29e529b47ac2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 09:03:29.352753+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a004a9-7477-7d79-b24f-29e529b47ac2"
    },
    {
      "id": "chg_01a004a9-7478-74ca-b9f0-44ea5acf8ffb",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 09:03:29.352753+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_01a004a9-7478-74ca-b9f0-44ea5acf8ffb"
    },
    {
      "id": "chg_019fff83-0d90-7c51-88f2-4e013f2664f0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d90-7c51-88f2-4e013f2664f0"
    },
    {
      "id": "chg_019fff83-0d91-7a16-b791-0ab7808868b3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d91-7a16-b791-0ab7808868b3"
    },
    {
      "id": "chg_019fff83-0d91-7f26-bb59-30044efa4605",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d91-7f26-bb59-30044efa4605"
    },
    {
      "id": "chg_019fff83-0d92-772d-a2f7-9209689b3ec3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d92-772d-a2f7-9209689b3ec3"
    },
    {
      "id": "chg_019fff83-0d93-73bb-a68c-f962740473f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d93-73bb-a68c-f962740473f1"
    },
    {
      "id": "chg_019fff83-0d93-7a3e-a585-9617b4de82c6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "validate_claim",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_claim"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “validate_claim” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d93-7a3e-a585-9617b4de82c6"
    },
    {
      "id": "chg_019fff83-0d94-7390-8f06-8734dca412ab",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 09:03:26.430707+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fff83-0d94-7390-8f06-8734dca412ab"
    },
    {
      "id": "chg_019ffa5c-b6fa-7b9f-b556-a8534f94d5fb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:03:27.969408+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ffa5c-b6fa-7b9f-b556-a8534f94d5fb"
    },
    {
      "id": "chg_019ffa5c-b6fb-782f-a8a4-1794b38096e4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:03:27.969408+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ffa5c-b6fb-782f-a8a4-1794b38096e4"
    },
    {
      "id": "chg_019ffa5c-b6fc-71be-a4c1-a8879b7bfe95",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:03:27.969408+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ffa5c-b6fc-71be-a4c1-a8879b7bfe95"
    },
    {
      "id": "chg_019ffa5c-b6fc-7784-8eb6-c5d0b7eff4db",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:03:27.969408+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ffa5c-b6fc-7784-8eb6-c5d0b7eff4db"
    },
    {
      "id": "chg_019ffa5c-b6fc-7c0c-9085-dbb565a425dd",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:03:27.969408+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ffa5c-b6fc-7c0c-9085-dbb565a425dd"
    },
    {
      "id": "chg_019ff536-12f9-7c3c-9d07-7c9f491e42eb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-12f9-7c3c-9d07-7c9f491e42eb"
    },
    {
      "id": "chg_019ff536-12fb-7ed4-a69e-09136e6b44d7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-12fb-7ed4-a69e-09136e6b44d7"
    },
    {
      "id": "chg_019ff536-12fc-79c0-a90a-d9fe559e0c82",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-12fc-79c0-a90a-d9fe559e0c82"
    },
    {
      "id": "chg_019ff536-12ff-75e5-bf31-79efb9ef6c26",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-12ff-75e5-bf31-79efb9ef6c26"
    },
    {
      "id": "chg_019ff536-12ff-7b5d-8180-1d0d02c801d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pipeworx_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pipeworx_feedback"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “pipeworx_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-12ff-7b5d-8180-1d0d02c801d3"
    },
    {
      "id": "chg_019ff536-1301-7a77-8db1-52a93a305e15",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:03:09.541024+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019ff536-1301-7a77-8db1-52a93a305e15"
    },
    {
      "id": "chg_019feae9-6624-70b7-81a4-1cde354b6063",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6624-70b7-81a4-1cde354b6063"
    },
    {
      "id": "chg_019feae9-6625-756f-833c-a9d9829e5c5b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6625-756f-833c-a9d9829e5c5b"
    },
    {
      "id": "chg_019feae9-6625-79f9-89dd-5dcff8ffcdd5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6625-79f9-89dd-5dcff8ffcdd5"
    },
    {
      "id": "chg_019feae9-6625-7ea2-950e-5823c4d5081e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6625-7ea2-950e-5823c4d5081e"
    },
    {
      "id": "chg_019feae9-6626-74bb-8627-dcbd79810e1d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6626-74bb-8627-dcbd79810e1d"
    },
    {
      "id": "chg_019feae9-6626-799b-b846-f40c475e5144",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:03:12.303975+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019feae9-6626-799b-b846-f40c475e5144"
    },
    {
      "id": "chg_019fe5c2-f0e0-72c0-8159-379d5955fe8e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e0-72c0-8159-379d5955fe8e"
    },
    {
      "id": "chg_019fe5c2-f0e0-7d61-90de-dcc85c63c14b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e0-7d61-90de-dcc85c63c14b"
    },
    {
      "id": "chg_019fe5c2-f0e1-7300-85f0-56ca64187dff",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e1-7300-85f0-56ca64187dff"
    },
    {
      "id": "chg_019fe5c2-f0e1-7780-8a84-8bf0d9d70d5d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e1-7780-8a84-8bf0d9d70d5d"
    },
    {
      "id": "chg_019fe5c2-f0e1-7bda-9308-7883eeabe3c4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pipeworx_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pipeworx_feedback"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “pipeworx_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e1-7bda-9308-7883eeabe3c4"
    },
    {
      "id": "chg_019fe5c2-f0e2-70ce-8d93-260beb7bb5ad",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:03:05.937864+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe5c2-f0e2-70ce-8d93-260beb7bb5ad"
    },
    {
      "id": "chg_019fe09c-65a8-7644-9075-3776ef1472fc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:02:53.848959+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe09c-65a8-7644-9075-3776ef1472fc"
    },
    {
      "id": "chg_019fe09c-65a9-78b9-ab6f-8d31ea924228",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:02:53.848959+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe09c-65a9-78b9-ab6f-8d31ea924228"
    },
    {
      "id": "chg_019fe09c-65a9-7d46-bb03-8a4616be26e3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:02:53.848959+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe09c-65a9-7d46-bb03-8a4616be26e3"
    },
    {
      "id": "chg_019fe09c-65aa-72d6-bdc8-ef95d31e4ef2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:02:53.848959+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe09c-65aa-72d6-bdc8-ef95d31e4ef2"
    },
    {
      "id": "chg_019fe09c-65aa-7783-995f-e8f5803def16",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 09:02:53.848959+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fe09c-65aa-7783-995f-e8f5803def16"
    },
    {
      "id": "chg_019fdb75-fd11-77a3-943f-c89a5283c9ee",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 09:02:50.577441+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fdb75-fd11-77a3-943f-c89a5283c9ee"
    },
    {
      "id": "chg_019fdb75-fd1f-75d5-a83d-6658184f1522",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 09:02:50.577441+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fdb75-fd1f-75d5-a83d-6658184f1522"
    },
    {
      "id": "chg_019fdb75-fd23-79d4-b1e2-180260b79c61",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 09:02:50.577441+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fdb75-fd23-79d4-b1e2-180260b79c61"
    },
    {
      "id": "chg_019fdb75-fd24-7117-b9db-76b9315238b2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 09:02:50.577441+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fdb75-fd24-7117-b9db-76b9315238b2"
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    {
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      "occurred_at": "2026-08-07 09:02:50.577441+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fdb75-fd24-75d6-b8fd-e291cefdcfa5"
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      "observed_since": "2026-08-05",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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      "occurred_at": "2026-08-06 09:02:43.497014+00",
      "observed_since": "2026-08-05",
      "source": "scan",
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      "occurred_at": "2026-08-06 09:02:43.497014+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
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      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fd64f-854c-73b7-92c7-17476b7db6a9"
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      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-stooq/stooq-mcp#chg-chg_019fd129-1f2b-7320-ac6e-182dea063686"
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