{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-nrel",
  "component": "nrel-mcp",
  "generated_at": "2026-10-19T03:54:28.909Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 3,
    "security": 97,
    "functional": 0,
    "cosmetic": 0
  },
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      "kind": "capture.status_changed",
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      "subject_kind": "server",
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      "from_value": "unreachable",
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      "detail": {
        "to": "not_mcp",
        "from": "unreachable"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 00:07:04.49711+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Endpoint reachability (unreachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0837d-56f8-7568-89e4-72f061e95674"
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    {
      "id": "chg_01a07e5e-fc9f-7b75-b182-58d448fce953",
      "kind": "capture.status_changed",
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      "subject_kind": "server",
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      "from_value": "not_mcp",
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      "detail": {
        "to": "unreachable",
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      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 00:15:49.34441+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Endpoint reachability (not serving MCP → unreachable)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a07e5e-fc9f-7b75-b182-58d448fce953"
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    {
      "id": "chg_01a0408e-daa9-70cb-ac37-e5d4f55e9e51",
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      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
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      "from_value": "pass",
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      "materiality": "security",
      "direction": "regression",
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      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 00:11:39.013808+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0408e-daa9-70cb-ac37-e5d4f55e9e51"
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    {
      "id": "chg_01a0408e-daa9-7b82-9b5c-6bba46965a89",
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      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 00:11:39.013808+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0408e-daa9-7b82-9b5c-6bba46965a89"
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    {
      "id": "chg_01a0408e-daaa-71a2-8ab8-5396ff381703",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
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      "materiality": "security",
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      "detail": {
        "status": "400",
        "transport": "streamable-http"
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      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 00:11:39.013808+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0408e-daaa-71a2-8ab8-5396ff381703"
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    {
      "id": "chg_01a0408e-daaa-76a2-b01b-1f023bb75a54",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "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 00:11:39.013808+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0408e-daaa-76a2-b01b-1f023bb75a54"
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    {
      "id": "chg_01a0408e-daab-77b7-b4f2-8d8f006ee951",
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      "from_value": "verified",
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        "to": "not_mcp",
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      "occurred_at": "2026-08-27 00:11:39.013808+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0408e-daab-77b7-b4f2-8d8f006ee951"
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    {
      "id": "chg_01a03641-8a0a-7c50-80c0-21aafc3679fd",
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      "subject_kind": "check",
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      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
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      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 00:10:59.821501+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a03641-8a0a-7c50-80c0-21aafc3679fd"
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    {
      "id": "chg_01a0311b-0aaf-7506-ba95-d2639b551e9a",
      "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",
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      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 00:10:50.889438+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0311b-0aaf-7506-ba95-d2639b551e9a"
    },
    {
      "id": "chg_01a0311b-0ab0-7610-99cf-e62af80e9028",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 00:10:50.889438+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0311b-0ab0-7610-99cf-e62af80e9028"
    },
    {
      "id": "chg_01a0311b-0ab0-7b5a-b1fc-ba750cd94326",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 00:10:50.889438+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0311b-0ab0-7b5a-b1fc-ba750cd94326"
    },
    {
      "id": "chg_01a0311b-0ab1-762f-82db-083117733edb",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 00:10:50.889438+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0311b-0ab1-762f-82db-083117733edb"
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    {
      "id": "chg_01a0311b-0ab2-713d-b979-0c6d6432877a",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 00:10:50.889438+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a0311b-0ab2-713d-b979-0c6d6432877a"
    },
    {
      "id": "chg_01a02bf4-e856-7724-9c64-634669188f47",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 00:11:05.620437+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-nrel/nrel-mcp#chg-chg_01a02bf4-e856-7724-9c64-634669188f47"
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    {
      "id": "chg_01a02bf4-e858-7b48-a16d-9777de9fba19",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 00:11:05.620437+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-nrel/nrel-mcp#chg-chg_01a02bf4-e858-7b48-a16d-9777de9fba19"
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    {
      "id": "chg_01a02bf4-e859-7123-9ca0-98f72dbb0b03",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 00:11:05.620437+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-nrel/nrel-mcp#chg-chg_01a02bf4-e859-7123-9ca0-98f72dbb0b03"
    },
    {
      "id": "chg_01a02bf4-e85a-7351-8720-2c6caef85172",
      "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"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 00:11:05.620437+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-nrel/nrel-mcp#chg-chg_01a02bf4-e85a-7351-8720-2c6caef85172"
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    {
      "id": "chg_01a02bf4-e85a-7e15-8677-2a3bcbbc0266",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 00:11:05.620437+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-nrel/nrel-mcp#chg-chg_01a02bf4-e85a-7e15-8677-2a3bcbbc0266"
    },
    {
      "id": "chg_01a026ce-97a6-7ba5-a6a4-9b5a64f2eb9d",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "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 00:11:08.263109+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a026ce-97a6-7ba5-a6a4-9b5a64f2eb9d"
    },
    {
      "id": "chg_01a026ce-97ab-7ed2-97f4-4f7d961607db",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a026ce-97ab-7ed2-97f4-4f7d961607db"
    },
    {
      "id": "chg_01a026ce-97af-77ed-b610-3bb3938cb2b1",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+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-nrel/nrel-mcp#chg-chg_01a026ce-97af-77ed-b610-3bb3938cb2b1"
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    {
      "id": "chg_01a026ce-97b0-74da-8f2c-76df712cd064",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+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-nrel/nrel-mcp#chg-chg_01a026ce-97b0-74da-8f2c-76df712cd064"
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    {
      "id": "chg_01a026ce-97b1-7ce2-ab1b-6d7873434ea8",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+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-nrel/nrel-mcp#chg-chg_01a026ce-97b1-7ce2-ab1b-6d7873434ea8"
    },
    {
      "id": "chg_01a026ce-97b2-7d90-bc09-5939800d9d52",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+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-nrel/nrel-mcp#chg-chg_01a026ce-97b2-7d90-bc09-5939800d9d52"
    },
    {
      "id": "chg_01a026ce-97b6-7905-9947-fbfd65d7c728",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 00:11:08.263109+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-nrel/nrel-mcp#chg-chg_01a026ce-97b6-7905-9947-fbfd65d7c728"
    },
    {
      "id": "chg_01a021a7-8613-7a9d-b596-e9c359c3a74e",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 00:10:21.964914+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-nrel/nrel-mcp#chg-chg_01a021a7-8613-7a9d-b596-e9c359c3a74e"
    },
    {
      "id": "chg_01a021a7-8618-7d5d-87b8-f3f1336205bb",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 00:10:21.964914+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-nrel/nrel-mcp#chg-chg_01a021a7-8618-7d5d-87b8-f3f1336205bb"
    },
    {
      "id": "chg_01a021a7-8619-7446-9c94-9aad63f7a3d2",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 00:10:21.964914+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-nrel/nrel-mcp#chg-chg_01a021a7-8619-7446-9c94-9aad63f7a3d2"
    },
    {
      "id": "chg_01a021a7-861b-79b5-9aa6-edb018f6be5c",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 00:10:21.964914+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-nrel/nrel-mcp#chg-chg_01a021a7-861b-79b5-9aa6-edb018f6be5c"
    },
    {
      "id": "chg_01a021a7-861d-780f-8830-a8ee922b63a8",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 00:10:21.964914+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-nrel/nrel-mcp#chg-chg_01a021a7-861d-780f-8830-a8ee922b63a8"
    },
    {
      "id": "chg_01a01c82-4548-7aa5-8a88-7f2a1e6be7c1",
      "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 00:11:34.551401+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-nrel/nrel-mcp#chg-chg_01a01c82-4548-7aa5-8a88-7f2a1e6be7c1"
    },
    {
      "id": "chg_01a01c82-454a-725c-b174-1ab33778a567",
      "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 00:11:34.551401+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-nrel/nrel-mcp#chg-chg_01a01c82-454a-725c-b174-1ab33778a567"
    },
    {
      "id": "chg_01a01c82-454a-7808-8aec-8aa9ecbfe1a2",
      "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 00:11:34.551401+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-nrel/nrel-mcp#chg-chg_01a01c82-454a-7808-8aec-8aa9ecbfe1a2"
    },
    {
      "id": "chg_01a01c82-454b-74ce-8a43-451af1ada0b6",
      "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 00:11:34.551401+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-nrel/nrel-mcp#chg-chg_01a01c82-454b-74ce-8a43-451af1ada0b6"
    },
    {
      "id": "chg_01a01c82-454b-7e26-ad0d-ee52366306e2",
      "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 00:11:34.551401+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-nrel/nrel-mcp#chg-chg_01a01c82-454b-7e26-ad0d-ee52366306e2"
    },
    {
      "id": "chg_01a0175a-66d2-7a38-9b35-4bfad363f0ca",
      "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 00:09:55.62228+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-nrel/nrel-mcp#chg-chg_01a0175a-66d2-7a38-9b35-4bfad363f0ca"
    },
    {
      "id": "chg_01a0175a-66d3-7677-a6e9-83f88676e222",
      "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 00:09:55.62228+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-nrel/nrel-mcp#chg-chg_01a0175a-66d3-7677-a6e9-83f88676e222"
    },
    {
      "id": "chg_01a0175a-66d3-7bba-bf68-74652cca7ec9",
      "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 00:09:55.62228+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-nrel/nrel-mcp#chg-chg_01a0175a-66d3-7bba-bf68-74652cca7ec9"
    },
    {
      "id": "chg_01a0175a-66d4-725b-94e2-651114b2ee18",
      "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 00:09:55.62228+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-nrel/nrel-mcp#chg-chg_01a0175a-66d4-725b-94e2-651114b2ee18"
    },
    {
      "id": "chg_01a0175a-66d6-78f6-b1c1-8260c1c1d698",
      "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 00:09:55.62228+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-nrel/nrel-mcp#chg-chg_01a0175a-66d6-78f6-b1c1-8260c1c1d698"
    },
    {
      "id": "chg_01a01235-2fd2-7b69-ad25-9a71d5b59fe2",
      "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 00:11:10.56297+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-nrel/nrel-mcp#chg-chg_01a01235-2fd2-7b69-ad25-9a71d5b59fe2"
    },
    {
      "id": "chg_01a01235-2fd6-7474-9e94-b1cf2303f94a",
      "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 00:11:10.56297+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-nrel/nrel-mcp#chg-chg_01a01235-2fd6-7474-9e94-b1cf2303f94a"
    },
    {
      "id": "chg_01a01235-2fd6-7859-b309-b3dcce05acf5",
      "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 00:11:10.56297+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-nrel/nrel-mcp#chg-chg_01a01235-2fd6-7859-b309-b3dcce05acf5"
    },
    {
      "id": "chg_01a01235-2fd7-72d5-a6b5-44671af53b64",
      "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 00:11:10.56297+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-nrel/nrel-mcp#chg-chg_01a01235-2fd7-72d5-a6b5-44671af53b64"
    },
    {
      "id": "chg_01a01235-2fd8-7853-a1de-b4c6bf5ca323",
      "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 00:11:10.56297+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-nrel/nrel-mcp#chg-chg_01a01235-2fd8-7853-a1de-b4c6bf5ca323"
    },
    {
      "id": "chg_01a00d0d-5a56-7dd3-9bba-326c3c5333c2",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-17",
      "occurred_at": "2026-08-17 00:09:33.935444+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a00d0d-5a56-7dd3-9bba-326c3c5333c2"
    },
    {
      "id": "chg_01a00d0d-5a5b-7bfb-8dc2-04e5d380a1f7",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5b-7bfb-8dc2-04e5d380a1f7"
    },
    {
      "id": "chg_01a00d0d-5a5d-737d-ba8c-48e4e408a3d1",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5d-737d-ba8c-48e4e408a3d1"
    },
    {
      "id": "chg_01a00d0d-5a5d-79e8-9ebc-6bc36751bf36",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5d-79e8-9ebc-6bc36751bf36"
    },
    {
      "id": "chg_01a00d0d-5a5e-7258-b79a-fa1540bbdf1e",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5e-7258-b79a-fa1540bbdf1e"
    },
    {
      "id": "chg_01a00d0d-5a5f-742b-9ec6-922ccb873293",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5f-742b-9ec6-922ccb873293"
    },
    {
      "id": "chg_01a00d0d-5a5f-7990-9c2e-ac093eadd933",
      "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 00:09:33.935444+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-nrel/nrel-mcp#chg-chg_01a00d0d-5a5f-7990-9c2e-ac093eadd933"
    },
    {
      "id": "chg_01a007e8-a6a8-71f1-9168-51201f313b04",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 00:11:22.597607+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a007e8-a6a8-71f1-9168-51201f313b04"
    },
    {
      "id": "chg_01a007e8-a6ab-7cc7-b20f-a8a5303990dd",
      "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 00:11:22.597607+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-nrel/nrel-mcp#chg-chg_01a007e8-a6ab-7cc7-b20f-a8a5303990dd"
    },
    {
      "id": "chg_01a007e8-a6ae-7991-9c6b-aeddf435664c",
      "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 00:11:22.597607+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-nrel/nrel-mcp#chg-chg_01a007e8-a6ae-7991-9c6b-aeddf435664c"
    },
    {
      "id": "chg_01a007e8-a6af-7bdc-bbc4-36adffc4ab01",
      "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 00:11:22.597607+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-nrel/nrel-mcp#chg-chg_01a007e8-a6af-7bdc-bbc4-36adffc4ab01"
    },
    {
      "id": "chg_01a007e8-a6b1-711f-a496-818f107de28b",
      "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 00:11:22.597607+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-nrel/nrel-mcp#chg-chg_01a007e8-a6b1-711f-a496-818f107de28b"
    },
    {
      "id": "chg_01a007e8-a6b1-78bd-af03-01be34bea276",
      "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 00:11:22.597607+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-nrel/nrel-mcp#chg-chg_01a007e8-a6b1-78bd-af03-01be34bea276"
    },
    {
      "id": "chg_01a002bf-a31a-7a61-8485-c16c917baa0a",
      "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 00:08:28.620602+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-nrel/nrel-mcp#chg-chg_01a002bf-a31a-7a61-8485-c16c917baa0a"
    },
    {
      "id": "chg_01a002bf-a31e-7a40-8509-c98867900f93",
      "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 00:08:28.620602+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-nrel/nrel-mcp#chg-chg_01a002bf-a31e-7a40-8509-c98867900f93"
    },
    {
      "id": "chg_01a002bf-a322-77d4-9374-82befec99ca8",
      "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 00:08:28.620602+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-nrel/nrel-mcp#chg-chg_01a002bf-a322-77d4-9374-82befec99ca8"
    },
    {
      "id": "chg_01a002bf-a323-7ac9-8f20-1930f9a0cb1b",
      "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 00:08:28.620602+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-nrel/nrel-mcp#chg-chg_01a002bf-a323-7ac9-8f20-1930f9a0cb1b"
    },
    {
      "id": "chg_01a002bf-a324-7467-a9f7-4596de06b490",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 00:08:28.620602+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “validate_claim” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_01a002bf-a324-7467-a9f7-4596de06b490"
    },
    {
      "id": "chg_01a002bf-a324-7c6d-986d-b17a982a1d84",
      "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 00:08:28.620602+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-nrel/nrel-mcp#chg-chg_01a002bf-a324-7c6d-986d-b17a982a1d84"
    },
    {
      "id": "chg_019ffd9a-a471-7c97-aa99-8456962f774b",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a471-7c97-aa99-8456962f774b"
    },
    {
      "id": "chg_019ffd9a-a473-7e42-bca3-773ebdc2da15",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a473-7e42-bca3-773ebdc2da15"
    },
    {
      "id": "chg_019ffd9a-a474-7982-96f2-7933c735d82b",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a474-7982-96f2-7933c735d82b"
    },
    {
      "id": "chg_019ffd9a-a475-7c32-bd87-dd7498c6a8d7",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a475-7c32-bd87-dd7498c6a8d7"
    },
    {
      "id": "chg_019ffd9a-a476-7296-a9d5-fb9347646484",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a476-7296-a9d5-fb9347646484"
    },
    {
      "id": "chg_019ffd9a-a476-7b83-82f0-6fcdf7380117",
      "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 00:09:58.096176+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-nrel/nrel-mcp#chg-chg_019ffd9a-a476-7b83-82f0-6fcdf7380117"
    },
    {
      "id": "chg_019ff872-9946-7dc0-962d-73fe1ff66966",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 00:08:07.6893+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_019ff872-9946-7dc0-962d-73fe1ff66966"
    },
    {
      "id": "chg_019ff872-9948-7706-b45d-d32cc3ed5965",
      "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 00:08:07.6893+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-nrel/nrel-mcp#chg-chg_019ff872-9948-7706-b45d-d32cc3ed5965"
    },
    {
      "id": "chg_019ff872-9948-7c9c-8f1c-d24d8ecf6475",
      "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 00:08:07.6893+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-nrel/nrel-mcp#chg-chg_019ff872-9948-7c9c-8f1c-d24d8ecf6475"
    },
    {
      "id": "chg_019ff872-9949-7368-88e4-c3328f8d5da3",
      "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 00:08:07.6893+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-nrel/nrel-mcp#chg-chg_019ff872-9949-7368-88e4-c3328f8d5da3"
    },
    {
      "id": "chg_019ff872-9949-7880-a426-f70572ea6aba",
      "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 00:08:07.6893+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-nrel/nrel-mcp#chg-chg_019ff872-9949-7880-a426-f70572ea6aba"
    },
    {
      "id": "chg_019ff872-9949-7d93-bd47-6a05a3bc8bf0",
      "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 00:08:07.6893+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-nrel/nrel-mcp#chg-chg_019ff872-9949-7d93-bd47-6a05a3bc8bf0"
    },
    {
      "id": "chg_019ff34e-f9a4-762a-8940-69a81dcba277",
      "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": "2026-08-12",
      "occurred_at": "2026-08-12 00:11:07.019177+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_019ff34e-f9a4-762a-8940-69a81dcba277"
    },
    {
      "id": "chg_019ff34e-f9a5-7690-b2a2-cf73b78e28d0",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9a5-7690-b2a2-cf73b78e28d0"
    },
    {
      "id": "chg_019ff34e-f9a5-7dd0-acd7-3b6dd4dad21f",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9a5-7dd0-acd7-3b6dd4dad21f"
    },
    {
      "id": "chg_019ff34e-f9a6-74d6-a4ff-b9571657b03d",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9a6-74d6-a4ff-b9571657b03d"
    },
    {
      "id": "chg_019ff34e-f9a6-7b9f-ae39-6c6ed4814e53",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9a6-7b9f-ae39-6c6ed4814e53"
    },
    {
      "id": "chg_019ff34e-f9a8-709d-9be8-9474a81bf69b",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9a8-709d-9be8-9474a81bf69b"
    },
    {
      "id": "chg_019ff34e-f9aa-748c-97ac-652064e1bee9",
      "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 00:11:07.019177+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-nrel/nrel-mcp#chg-chg_019ff34e-f9aa-748c-97ac-652064e1bee9"
    },
    {
      "id": "chg_019fe900-eb6d-7e0c-9076-a8cd4fb6ffc4",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 00:09:39.41802+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_019fe900-eb6d-7e0c-9076-a8cd4fb6ffc4"
    },
    {
      "id": "chg_019fe900-eb6e-7d1e-a1f2-d5616b2ac79a",
      "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 00:09:39.41802+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-nrel/nrel-mcp#chg-chg_019fe900-eb6e-7d1e-a1f2-d5616b2ac79a"
    },
    {
      "id": "chg_019fe900-eb6f-727e-83e5-25fd61c9b940",
      "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 00:09:39.41802+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-nrel/nrel-mcp#chg-chg_019fe900-eb6f-727e-83e5-25fd61c9b940"
    },
    {
      "id": "chg_019fe900-eb6f-774d-a4dd-a7afcffb0e80",
      "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 00:09:39.41802+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-nrel/nrel-mcp#chg-chg_019fe900-eb6f-774d-a4dd-a7afcffb0e80"
    },
    {
      "id": "chg_019fe900-eb6f-7cfe-a25f-42252137ba90",
      "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 00:09:39.41802+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-nrel/nrel-mcp#chg-chg_019fe900-eb6f-7cfe-a25f-42252137ba90"
    },
    {
      "id": "chg_019fe900-eb70-7261-b126-29ef54e52e98",
      "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 00:09:39.41802+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-nrel/nrel-mcp#chg-chg_019fe900-eb70-7261-b126-29ef54e52e98"
    },
    {
      "id": "chg_019fe3d8-faa1-73ce-9187-264f0fd9daf1",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 00:07:55.791094+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_019fe3d8-faa1-73ce-9187-264f0fd9daf1"
    },
    {
      "id": "chg_019fe3d8-faa2-7241-91c8-399f975e3f49",
      "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 00:07:55.791094+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-nrel/nrel-mcp#chg-chg_019fe3d8-faa2-7241-91c8-399f975e3f49"
    },
    {
      "id": "chg_019fe3d8-faa2-7763-b3d8-b81ec3ef4e80",
      "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 00:07:55.791094+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-nrel/nrel-mcp#chg-chg_019fe3d8-faa2-7763-b3d8-b81ec3ef4e80"
    },
    {
      "id": "chg_019fe3d8-faa2-7c38-9c72-d666c76df4ed",
      "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 00:07:55.791094+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-nrel/nrel-mcp#chg-chg_019fe3d8-faa2-7c38-9c72-d666c76df4ed"
    },
    {
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      "link": "https://verifymcp.io/servers/pipeworx-io-nrel/nrel-mcp#chg-chg_019fe3d8-faa3-77e4-9a7b-5a0f52bcc091"
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      "observed_since": "2026-08-07",
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