{ "$schema": "https://verifymcp.io/schemas/changelog.json", "server": "pipeworx-io-zillow", "component": "zillow-mcp", "generated_at": "2026-11-05T18:47:58.525Z", "tracking_since": "2026-09-17", "counts": { "critical": 6, "security": 94, "functional": 0, "cosmetic": 0 }, "events": [ { "id": "chg_01a1a91b-331b-77d1-a6f9-99296118bee0", "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": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-331b-77d1-a6f9-99296118bee0" }, { "id": "chg_01a1a91b-331c-732b-98ef-223464f66f3d", "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": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-331c-732b-98ef-223464f66f3d" }, { "id": "chg_01a1a91b-3317-7d64-802a-dfdca972047c", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-3317-7d64-802a-dfdca972047c" }, { "id": "chg_01a1a91b-3319-7987-baae-0acf05252793", "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": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-3319-7987-baae-0acf05252793" }, { "id": "chg_01a1a91b-331a-7c26-81cf-b519bf78d89f", "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": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-331a-7c26-81cf-b519bf78d89f" }, { "id": "chg_01a1a91b-331a-7250-9e60-faae96ab837a", "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": "2026-11-05", "occurred_at": "2026-11-05 00:28:14.417003+00", "observed_since": "2026-11-04", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a91b-331a-7250-9e60-faae96ab837a" }, { "id": "chg_01a1a3fa-d651-798d-9e5e-6baf89eaf391", "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": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d651-798d-9e5e-6baf89eaf391" }, { "id": "chg_01a1a3fa-d652-7488-a814-f72e16665f15", "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": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d652-7488-a814-f72e16665f15" }, { "id": "chg_01a1a3fa-d653-7070-85ea-017eed3a54c0", "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": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d653-7070-85ea-017eed3a54c0" }, { "id": "chg_01a1a3fa-d64f-7c78-8ed1-8cbdf4be9ce4", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d64f-7c78-8ed1-8cbdf4be9ce4" }, { "id": "chg_01a1a3fa-d651-7eac-92fb-c187753b1e1b", "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": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d651-7eac-92fb-c187753b1e1b" }, { "id": "chg_01a1a3fa-d651-738b-9042-bf928a95b957", "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": "2026-11-04", "occurred_at": "2026-11-04 00:34:47.47053+00", "observed_since": "2026-11-03", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1a3fa-d651-738b-9042-bf928a95b957" }, { "id": "chg_01a19ebe-0fd8-7c6f-b412-f2380b16566d", "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": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0fd8-7c6f-b412-f2380b16566d" }, { "id": "chg_01a19ebe-0fe5-711a-81d6-af5fee5b2da1", "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": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0fe5-711a-81d6-af5fee5b2da1" }, { "id": "chg_01a19ebe-0feb-7380-8cab-8f8d7d738600", "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": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0feb-7380-8cab-8f8d7d738600" }, { "id": "chg_01a19ebe-0fca-74e8-96fa-7515d715eadb", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.churn", "to_code": "stability.stable", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "Stability (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0fca-74e8-96fa-7515d715eadb" }, { "id": "chg_01a19ebe-0fd4-7ab1-a325-05b1ac3a3488", "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": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0fd4-7ab1-a325-05b1ac3a3488" }, { "id": "chg_01a19ebe-0fdd-7883-8aa7-d1c85ee06f26", "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": "2026-11-03", "occurred_at": "2026-11-03 00:10:18.329597+00", "observed_since": "2026-11-02", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a19ebe-0fdd-7883-8aa7-d1c85ee06f26" }, { "id": "chg_01a1999e-c979-771c-978a-987b27711fbf", "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": "2026-11-02", "occurred_at": "2026-11-02 00:18:02.685221+00", "observed_since": "2026-11-01", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1999e-c979-771c-978a-987b27711fbf" }, { "id": "chg_01a1999e-c97a-744d-a9c1-15fbfa7341fb", "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": "2026-11-02", "occurred_at": "2026-11-02 00:18:02.685221+00", "observed_since": "2026-11-01", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1999e-c97a-744d-a9c1-15fbfa7341fb" }, { "id": "chg_01a1999e-c97a-7bca-9dde-47c60c6978db", "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": "2026-11-02", "occurred_at": "2026-11-02 00:18:02.685221+00", "observed_since": "2026-11-01", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1999e-c97a-7bca-9dde-47c60c6978db" }, { "id": "chg_01a1999e-c979-7eb0-aead-688ee0362631", "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": "2026-11-02", "occurred_at": "2026-11-02 00:18:02.685221+00", "observed_since": "2026-11-01", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1999e-c979-7eb0-aead-688ee0362631" }, { "id": "chg_01a1999e-c976-792c-b1f1-2aec9fcd17c6", "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": "2026-11-02", "occurred_at": "2026-11-02 00:18:02.685221+00", "observed_since": "2026-11-01", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1999e-c976-792c-b1f1-2aec9fcd17c6" }, { "id": "chg_01a18f4c-be4e-79d9-a66c-3262bf9606eb", "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": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4e-79d9-a66c-3262bf9606eb" }, { "id": "chg_01a18f4c-be4e-7eb9-8d2f-0a236fa2395b", "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": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4e-7eb9-8d2f-0a236fa2395b" }, { "id": "chg_01a18f4c-be4b-71b6-880d-7bb15ccf03b7", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.churn", "from_value": "pass", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "30", "added": "8", "breaks": "0", "removed": "0", "auth_transport": "1" }, "occurred_on": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "Stability (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4b-71b6-880d-7bb15ccf03b7" }, { "id": "chg_01a18f4c-be4c-7d86-9629-7eb79c8e962d", "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": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4c-7d86-9629-7eb79c8e962d" }, { "id": "chg_01a18f4c-be4d-7c6e-985f-45000d0dd602", "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": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4d-7c6e-985f-45000d0dd602" }, { "id": "chg_01a18f4c-be4e-737c-afa2-845b9f632118", "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": "2026-10-31", "occurred_at": "2026-10-31 00:12:13.721624+00", "observed_since": "2026-10-30", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18f4c-be4e-737c-afa2-845b9f632118" }, { "id": "chg_01a18a2b-e858-7099-b4bf-bc3644a0dcda", "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": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e858-7099-b4bf-bc3644a0dcda" }, { "id": "chg_01a18a2b-e855-7c8b-a1be-74417d82c080", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e855-7c8b-a1be-74417d82c080" }, { "id": "chg_01a18a2b-e856-7d45-99a8-acfe380e8144", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.building_history", "to_code": "stability.stable", "from_value": "0.97", "to_value": "pass", "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Stability (0.97 → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e856-7d45-99a8-acfe380e8144" }, { "id": "chg_01a18a2b-e857-744a-89cc-f54c49ffb681", "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": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e857-744a-89cc-f54c49ffb681" }, { "id": "chg_01a18a2b-e857-7b32-b6a6-614318bb17d1", "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": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e857-7b32-b6a6-614318bb17d1" }, { "id": "chg_01a18a2b-e858-7628-a354-60e5791d002a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "compare_entities", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "compare_entities" }, "occurred_on": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Tool “compare_entities” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e858-7628-a354-60e5791d002a" }, { "id": "chg_01a18a2b-e858-7b74-90aa-f1af34774a5f", "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": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e858-7b74-90aa-f1af34774a5f" }, { "id": "chg_01a18a2b-e859-71c8-a616-36631188ee66", "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": "2026-10-30", "occurred_at": "2026-10-30 00:18:15.724162+00", "observed_since": "2026-10-29", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18a2b-e859-71c8-a616-36631188ee66" }, { "id": "chg_01a18506-1308-79be-b837-ccbf480ba469", "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": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-1308-79be-b837-ccbf480ba469" }, { "id": "chg_01a18506-1309-7075-bffa-5617826ac912", "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": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-1309-7075-bffa-5617826ac912" }, { "id": "chg_01a18506-1309-74e1-826c-1aca062b11c3", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "bet_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "bet_research" }, "occurred_on": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Tool “bet_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-1309-74e1-826c-1aca062b11c3" }, { "id": "chg_01a18506-130a-741c-9385-e5beadbfcd0a", "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": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-130a-741c-9385-e5beadbfcd0a" }, { "id": "chg_01a18506-130a-7852-be09-d17f6a030b2e", "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": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-130a-7852-be09-d17f6a030b2e" }, { "id": "chg_01a18506-1306-7a77-bc9d-d2f9a765bbf7", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-1306-7a77-bc9d-d2f9a765bbf7" }, { "id": "chg_01a18506-1307-7e4b-b45f-27f16ed8809c", "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": "2026-10-29", "occurred_at": "2026-10-29 00:18:50.202676+00", "observed_since": "2026-10-28", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a18506-1307-7e4b-b45f-27f16ed8809c" }, { "id": "chg_01a17fe3-8c4b-7eb7-9653-dcce53def05b", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c4b-7eb7-9653-dcce53def05b" }, { "id": "chg_01a17fe3-8c45-752c-bf65-989a201475a0", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c45-752c-bf65-989a201475a0" }, { "id": "chg_01a17fe3-8c48-73a4-874f-d30f6c343f58", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c48-73a4-874f-d30f6c343f58" }, { "id": "chg_01a17fe3-8c49-7d22-90f7-0da382df2a06", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c49-7d22-90f7-0da382df2a06" }, { "id": "chg_01a17fe3-8c4a-78cd-93bc-5b8049d6050f", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c4a-78cd-93bc-5b8049d6050f" }, { "id": "chg_01a17fe3-8c4e-7afa-9c5e-587d2c018cbe", "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": "2026-10-28", "occurred_at": "2026-10-28 00:23:01.357359+00", "observed_since": "2026-10-27", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17fe3-8c4e-7afa-9c5e-587d2c018cbe" }, { "id": "chg_01a17abe-e3c5-79f7-93ee-5dd81bb611a9", "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": "2026-10-27", "occurred_at": "2026-10-27 00:24:52.886046+00", "observed_since": "2026-10-26", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17abe-e3c5-79f7-93ee-5dd81bb611a9" }, { "id": "chg_01a17abe-e3c8-73aa-94cb-0b52113a3144", "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": "2026-10-27", "occurred_at": "2026-10-27 00:24:52.886046+00", "observed_since": "2026-10-26", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17abe-e3c8-73aa-94cb-0b52113a3144" }, { "id": "chg_01a17abe-e3c9-70d9-97fe-7844f3f37ee2", "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": "2026-10-27", "occurred_at": "2026-10-27 00:24:52.886046+00", "observed_since": "2026-10-26", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17abe-e3c9-70d9-97fe-7844f3f37ee2" }, { "id": "chg_01a17abe-e3c9-7763-8a53-a921bb993743", "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": "2026-10-27", "occurred_at": "2026-10-27 00:24:52.886046+00", "observed_since": "2026-10-26", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17abe-e3c9-7763-8a53-a921bb993743" }, { "id": "chg_01a17abe-e3c9-7d57-85c7-bba5d032c6f3", "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": "2026-10-27", "occurred_at": "2026-10-27 00:24:52.886046+00", "observed_since": "2026-10-26", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17abe-e3c9-7d57-85c7-bba5d032c6f3" }, { "id": "chg_01a1758c-3e85-78d1-bbff-7185c49da007", "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": "2026-10-26", "occurred_at": "2026-10-26 00:11:27.703461+00", "observed_since": "2026-10-25", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1758c-3e85-78d1-bbff-7185c49da007" }, { "id": "chg_01a1758c-3e89-7aed-bec7-215796672789", "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": "2026-10-26", "occurred_at": "2026-10-26 00:11:27.703461+00", "observed_since": "2026-10-25", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1758c-3e89-7aed-bec7-215796672789" }, { "id": "chg_01a1758c-3e8a-7224-acea-32d5ab2b0e7b", "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": "2026-10-26", "occurred_at": "2026-10-26 00:11:27.703461+00", "observed_since": "2026-10-25", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1758c-3e8a-7224-acea-32d5ab2b0e7b" }, { "id": "chg_01a1758c-3e8a-7684-b95e-4c57d3424e0a", "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": "2026-10-26", "occurred_at": "2026-10-26 00:11:27.703461+00", "observed_since": "2026-10-25", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1758c-3e8a-7684-b95e-4c57d3424e0a" }, { "id": "chg_01a1758c-3e8a-7c44-8418-2806f03dec91", "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": "2026-10-26", "occurred_at": "2026-10-26 00:11:27.703461+00", "observed_since": "2026-10-25", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1758c-3e8a-7c44-8418-2806f03dec91" }, { "id": "chg_01a17069-e418-7bee-a0c3-4791b265aeb9", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e418-7bee-a0c3-4791b265aeb9" }, { "id": "chg_01a17069-e41c-721c-accd-ac5993389e1c", "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": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41c-721c-accd-ac5993389e1c" }, { "id": "chg_01a17069-e41a-7779-b3bc-00d32e87dee2", "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": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41a-7779-b3bc-00d32e87dee2" }, { "id": "chg_01a17069-e41a-7cc8-a288-9f3bde4fc274", "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": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41a-7cc8-a288-9f3bde4fc274" }, { "id": "chg_01a17069-e41b-72f8-b8a5-ab337b1f192d", "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": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41b-72f8-b8a5-ab337b1f192d" }, { "id": "chg_01a17069-e41b-7860-bf3e-1e203ae1d09f", "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": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41b-7860-bf3e-1e203ae1d09f" }, { "id": "chg_01a17069-e41b-7d09-8141-b6c34f855e7e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "prediction_calibration", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "prediction_calibration" }, "occurred_on": "2026-10-25", "occurred_at": "2026-10-25 00:15:50.262601+00", "observed_since": "2026-10-24", "source": "scan", "summary": "Tool “prediction_calibration” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a17069-e41b-7d09-8141-b6c34f855e7e" }, { "id": "chg_01a16b46-5c5a-74f8-9986-b08b37325f57", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "resolution_diff", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "resolution_diff" }, "occurred_on": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “resolution_diff” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c5a-74f8-9986-b08b37325f57" }, { "id": "chg_01a16b46-5c54-7c2c-8f0d-451fc738a6ba", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_unlisted", "to_code": "auth.none_destructive", "from_value": "unverified", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-23", "source": "scan", "summary": "Authorization (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c54-7c2c-8f0d-451fc738a6ba" }, { "id": "chg_01a16b46-5c56-70c8-9986-1ac759f54d08", "kind": "check.reverified", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.unreachable", "to_code": "toolsafety.injection_clean", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-23", "source": "scan", "summary": "Injection markers (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c56-70c8-9986-1ac759f54d08" }, { "id": "chg_01a16b46-5c56-76b2-94a5-e34d619b2283", "kind": "check.reverified", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.insufficient_history", "to_code": "stability.stable", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-23", "source": "scan", "summary": "Stability (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c56-76b2-94a5-e34d619b2283" }, { "id": "chg_01a16b46-5c57-753a-a9b6-61caa06dca57", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c57-753a-a9b6-61caa06dca57" }, { "id": "chg_01a16b46-5c57-7a12-8c54-722c7474c9ad", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c57-7a12-8c54-722c7474c9ad" }, { "id": "chg_01a16b46-5c57-7eef-8d24-a9b6d954db4d", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c57-7eef-8d24-a9b6d954db4d" }, { "id": "chg_01a16b46-5c58-7400-b75f-7a0d9656b85f", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c58-7400-b75f-7a0d9656b85f" }, { "id": "chg_01a16b46-5c58-7ee5-bdd0-ab6f1aeac9ef", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c58-7ee5-bdd0-ab6f1aeac9ef" }, { "id": "chg_01a16b46-5c59-7427-9f1f-f590eec7bad8", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "resolution_audit", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "resolution_audit" }, "occurred_on": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool “resolution_audit” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c59-7427-9f1f-f590eec7bad8" }, { "id": "chg_01a16b46-5c5b-76e7-b145-9b44ae7b72c1", "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": "2026-10-24", "occurred_at": "2026-10-24 00:18:55.673568+00", "observed_since": "2026-10-22", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16b46-5c5b-76e7-b145-9b44ae7b72c1" }, { "id": "chg_01a16624-0cd6-7306-b778-9ea429a78e99", "kind": "check.unverifiable", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.churn", "to_code": "stability.insufficient_history", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "reason": "tools_unlisted" }, "occurred_on": "2026-10-23", "occurred_at": "2026-10-23 00:23:21.016078+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Stability (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16624-0cd6-7306-b778-9ea429a78e99" }, { "id": "chg_01a16624-0cd7-72ae-8b4a-336f3822e65b", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.none_unlisted", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-10-23", "occurred_at": "2026-10-23 00:23:21.016078+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Authorization (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16624-0cd7-72ae-8b4a-336f3822e65b" }, { "id": "chg_01a16624-0cd7-7a23-84b9-99887d7a94cf", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-10-23", "occurred_at": "2026-10-23 00:23:21.016078+00", "observed_since": "2026-10-22", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a16624-0cd7-7a23-84b9-99887d7a94cf" }, { "id": "chg_01a160f7-749e-7437-bb0d-2a47350aa5c3", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_unlisted", "to_code": "auth.none_destructive", "from_value": "unverified", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-21", "source": "scan", "summary": "Authorization (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-749e-7437-bb0d-2a47350aa5c3" }, { "id": "chg_01a160f7-74a5-7bd5-ad7c-6c156a93b24a", "kind": "check.reverified", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.insufficient_history", "to_code": "stability.churn", "from_value": "unverified", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "29", "added": "5", "breaks": "0", "removed": "0", "auth_transport": "1" }, "occurred_on": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-21", "source": "scan", "summary": "Stability (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74a5-7bd5-ad7c-6c156a93b24a" }, { "id": "chg_01a160f7-74a8-7daf-8e85-4bd30cff61be", "kind": "check.reverified", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.unreachable", "to_code": "toolsafety.injection_clean", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-21", "source": "scan", "summary": "Injection markers (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74a8-7daf-8e85-4bd30cff61be" }, { "id": "chg_01a160f7-74aa-74c0-87c3-75dafec0a305", "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": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74aa-74c0-87c3-75dafec0a305" }, { "id": "chg_01a160f7-74aa-7b34-bbe9-487ced7edff9", "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": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74aa-7b34-bbe9-487ced7edff9" }, { "id": "chg_01a160f7-74ab-72e1-b094-b1227b41e458", "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": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74ab-72e1-b094-b1227b41e458" }, { "id": "chg_01a160f7-74ab-7aa8-a3f6-1961f37e806a", "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": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74ab-7aa8-a3f6-1961f37e806a" }, { "id": "chg_01a160f7-74ac-70d3-9096-895f11d49c35", "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": "2026-10-22", "occurred_at": "2026-10-22 00:16:32.35705+00", "observed_since": "2026-10-19", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a160f7-74ac-70d3-9096-895f11d49c35" }, { "id": "chg_01a156ad-ce7e-7332-bd6c-f3af1aaf2dc6", "kind": "check.unverifiable", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.churn", "to_code": "stability.insufficient_history", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "reason": "tools_unlisted" }, "occurred_on": "2026-10-20", "occurred_at": "2026-10-20 00:19:53.579022+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Stability (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a156ad-ce7e-7332-bd6c-f3af1aaf2dc6" }, { "id": "chg_01a156ad-ce7f-717e-9099-6fb4bde08e91", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.none_unlisted", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-10-20", "occurred_at": "2026-10-20 00:19:53.579022+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Authorization (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a156ad-ce7f-717e-9099-6fb4bde08e91" }, { "id": "chg_01a156ad-ce7f-75bd-aa85-f4e6f73cd093", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-10-20", "occurred_at": "2026-10-20 00:19:53.579022+00", "observed_since": "2026-10-19", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a156ad-ce7f-75bd-aa85-f4e6f73cd093" }, { "id": "chg_01a1517e-c411-7771-a94d-53067923a6b9", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c411-7771-a94d-53067923a6b9" }, { "id": "chg_01a1517e-c413-777c-891f-599150e594da", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.building_history", "to_code": "stability.churn", "from_value": "0.83", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "26", "added": "5", "breaks": "0", "removed": "0", "auth_transport": "1" }, "occurred_on": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Stability (0.83 → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c413-777c-891f-599150e594da" }, { "id": "chg_01a1517e-c414-7daf-9519-02ed9a0af7cf", "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": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c414-7daf-9519-02ed9a0af7cf" }, { "id": "chg_01a1517e-c416-76b0-ba2b-905333984ae1", "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": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c416-76b0-ba2b-905333984ae1" }, { "id": "chg_01a1517e-c41b-76b3-96a0-cc526508c66d", "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": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c41b-76b3-96a0-cc526508c66d" }, { "id": "chg_01a1517e-c41c-7c4d-a24c-f6c078e23235", "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": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c41c-7c4d-a24c-f6c078e23235" }, { "id": "chg_01a1517e-c41d-7cd5-8605-ccd5fddb4e4b", "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": "2026-10-19", "occurred_at": "2026-10-19 00:10:24.548537+00", "observed_since": "2026-10-18", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a1517e-c41d-7cd5-8605-ccd5fddb4e4b" }, { "id": "chg_01a14c5a-4035-7721-a339-5912b2bbe586", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-10-18", "occurred_at": "2026-10-18 00:12:25.470508+00", "observed_since": "2026-10-17", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-zillow/zillow-mcp#chg-chg_01a14c5a-4035-7721-a339-5912b2bbe586" } ], "days": [ { "date": "2026-11-05", "total": 71, "delta": -13, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 6 }, { "date": "2026-11-04", "total": 84, "delta": 11, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 7 }, { "date": "2026-11-03", "total": 73, "delta": 1, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 6 }, { "date": "2026-11-02", "total": 72, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 5 }, { "date": "2026-10-31", "total": 72, "delta": -1, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 6 }, { "date": "2026-10-30", "total": 73, "delta": -13, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 8 }, { "date": "2026-10-29", "total": 86, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 8 }, { "date": "2026-10-28", "total": 86, "delta": 1, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 9 } ] }