{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-marketdata-app",
  "component": "marketdata-app-mcp",
  "generated_at": "2026-09-21T12:00:04.921Z",
  "tracking_since": "2026-09-15",
  "counts": {
    "critical": 1,
    "security": 28,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c147-50a6-7341-a75c-4fa4a90134e8",
      "kind": "check.verdict",
      "family": "auth-oauth",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
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      "detail": {},
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 00:04:31.473529+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0c147-50a6-7341-a75c-4fa4a90134e8"
    },
    {
      "id": "chg_01a0bc21-0b1c-706b-ada3-11de36635009",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
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      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 00:04:37.085607+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0bc21-0b1c-706b-ada3-11de36635009"
    },
    {
      "id": "chg_01a0b6fa-3cb3-7c00-aec3-533004ae7241",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb3-7c00-aec3-533004ae7241"
    },
    {
      "id": "chg_01a0b6fa-3cb5-74a3-a24d-c8aaa5bc3d0e",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
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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": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb5-74a3-a24d-c8aaa5bc3d0e"
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    {
      "id": "chg_01a0b6fa-3cb5-7bf4-bbea-0692c0a2f927",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb5-7bf4-bbea-0692c0a2f927"
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    {
      "id": "chg_01a0b6fa-3cb6-7208-957f-1562e2679f37",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb6-7208-957f-1562e2679f37"
    },
    {
      "id": "chg_01a0b6fa-3cb6-7683-9c03-c0a908274bdf",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb6-7683-9c03-c0a908274bdf"
    },
    {
      "id": "chg_01a0b6fa-3cb7-789f-8a13-adb196100e05",
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      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb7-789f-8a13-adb196100e05"
    },
    {
      "id": "chg_01a0b6fa-3cb8-743c-807a-031f6384365e",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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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": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:04:07.924232+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b6fa-3cb8-743c-807a-031f6384365e"
    },
    {
      "id": "chg_01a0b1d3-58fc-7553-a520-8e5b6681bd50",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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"
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      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 00:03:33.159607+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b1d3-58fc-7553-a520-8e5b6681bd50"
    },
    {
      "id": "chg_01a0b1d3-58fd-7368-b31d-ddde8d0fb414",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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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_beta"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 00:03:33.159607+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b1d3-58fd-7368-b31d-ddde8d0fb414"
    },
    {
      "id": "chg_01a0b1d3-58fd-77f1-a27e-8a32836c4788",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 00:03:33.159607+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b1d3-58fd-77f1-a27e-8a32836c4788"
    },
    {
      "id": "chg_01a0b1d3-58fe-74c9-bcff-52bf092b7d56",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 00:03:33.159607+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b1d3-58fe-74c9-bcff-52bf092b7d56"
    },
    {
      "id": "chg_01a0b1d3-5901-79b8-8b67-ed12ab870e66",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 00:03:33.159607+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0b1d3-5901-79b8-8b67-ed12ab870e66"
    },
    {
      "id": "chg_01a0acad-a7b9-7ed0-88ba-545b419840ca",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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": "ask_pipeworx"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7b9-7ed0-88ba-545b419840ca"
    },
    {
      "id": "chg_01a0acad-a7ba-7904-9ecf-6783fb91aaa9",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7ba-7904-9ecf-6783fb91aaa9"
    },
    {
      "id": "chg_01a0acad-a7ba-7e23-b5c3-87e6705a2282",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7ba-7e23-b5c3-87e6705a2282"
    },
    {
      "id": "chg_01a0acad-a7bc-724d-b6b4-44db9bec7936",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7bc-724d-b6b4-44db9bec7936"
    },
    {
      "id": "chg_01a0acad-a7bc-76fe-9e1a-e93fa1fbb0b3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7bc-76fe-9e1a-e93fa1fbb0b3"
    },
    {
      "id": "chg_01a0acad-a7bc-7c1f-823a-6988c46c3c6d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edge_tracker",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edge_tracker"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_edge_tracker” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7bc-7c1f-823a-6988c46c3c6d"
    },
    {
      "id": "chg_01a0acad-a7bd-7177-be25-207d57636aca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edges",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edges"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_edges” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7bd-7177-be25-207d57636aca"
    },
    {
      "id": "chg_01a0acad-a7bd-7e9c-9a75-78b0f92a0fcd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_fill_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_fill_risk"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7bd-7e9c-9a75-78b0f92a0fcd"
    },
    {
      "id": "chg_01a0acad-a7be-74bb-9a46-ac9a1fb9af6c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7be-74bb-9a46-ac9a1fb9af6c"
    },
    {
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:04:16.935+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0acad-a7be-793e-9f5d-3b8b6e9cbf58"
    },
    {
      "id": "chg_01a0a786-59c8-7517-90b7-3af173ddb76c",
      "kind": "tool.description_changed",
      "family": "",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 00:03:14.950299+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0a786-59c8-7517-90b7-3af173ddb76c"
    },
    {
      "id": "chg_01a0a786-59c9-7e01-9279-91526f7e05bf",
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      "subject_kind": "tool",
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      "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"
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      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 00:03:14.950299+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0a786-59c9-7e01-9279-91526f7e05bf"
    },
    {
      "id": "chg_01a0a786-59cb-7a72-a0f4-4cb2de488f31",
      "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"
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      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 00:03:14.950299+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0a786-59cb-7a72-a0f4-4cb2de488f31"
    },
    {
      "id": "chg_01a0a786-59ce-7efe-b862-7b4038e896d4",
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      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 00:03:14.950299+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0a786-59ce-7efe-b862-7b4038e896d4"
    },
    {
      "id": "chg_01a0a786-59cf-756a-b5db-37da7e46040d",
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      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 00:03:14.950299+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-marketdata-app/marketdata-app-mcp#chg-chg_01a0a786-59cf-756a-b5db-37da7e46040d"
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}