{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-cotlet-substack",
  "component": "mcp-v1-substack",
  "generated_at": "2026-10-24T14:37:12.860Z",
  "tracking_since": "2026-10-23",
  "counts": {
    "critical": 0,
    "security": 67,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a16d6b-65cf-7d84-83f7-398c2036498a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "add_subscriber",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "add_subscriber"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “add_subscriber” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65cf-7d84-83f7-398c2036498a"
    },
    {
      "id": "chg_01a16d6b-65d0-738d-861d-b89c4c8e733b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cancel_scheduled_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cancel_scheduled_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cancel_scheduled_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d0-738d-861d-b89c4c8e733b"
    },
    {
      "id": "chg_01a16d6b-65d1-70ba-bf66-b3e887902df8",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_balance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_balance"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_balance” was removed",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d1-70ba-bf66-b3e887902df8"
    },
    {
      "id": "chg_01a16d6b-65d1-7635-91cb-ef142d77793b",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "cotlet_browser_click",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "cotlet_browser_click"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_click” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d1-7635-91cb-ef142d77793b"
    },
    {
      "id": "chg_01a16d6b-65d1-7baf-ba47-feba38747016",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_close",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_close"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_close” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d1-7baf-ba47-feba38747016"
    },
    {
      "id": "chg_01a16d6b-65d2-7163-beaf-9455f2d4b8d1",
      "kind": "tool.removed",
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      "subject_kind": "tool",
      "subject": "cotlet_browser_connect",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "regression",
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      "detail": {
        "tool": "cotlet_browser_connect"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_connect” was removed",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d2-7163-beaf-9455f2d4b8d1"
    },
    {
      "id": "chg_01a16d6b-65d2-76ce-8d40-350e1f4b0156",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_navigate",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_navigate"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_navigate” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d2-76ce-8d40-350e1f4b0156"
    },
    {
      "id": "chg_01a16d6b-65d2-7de6-b3c0-a04b336e7235",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_open",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_open"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_open” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d2-7de6-b3c0-a04b336e7235"
    },
    {
      "id": "chg_01a16d6b-65d3-739b-9a9a-0d8c2297eec1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_press",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_press"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_press” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d3-739b-9a9a-0d8c2297eec1"
    },
    {
      "id": "chg_01a16d6b-65d3-77e4-bf6f-270cc625b6bf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_read",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_read"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_read” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d3-77e4-bf6f-270cc625b6bf"
    },
    {
      "id": "chg_01a16d6b-65d3-7bc8-8b1a-43b7165a3c31",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_screenshot",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_screenshot"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_screenshot” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d3-7bc8-8b1a-43b7165a3c31"
    },
    {
      "id": "chg_01a16d6b-65d4-70ed-8d5f-8677409ae693",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_scroll",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_scroll"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_scroll” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d4-70ed-8d5f-8677409ae693"
    },
    {
      "id": "chg_01a16d6b-65d4-76b5-9a5e-c8ca4d61ea32",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_select",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_select"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_select” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d4-76b5-9a5e-c8ca4d61ea32"
    },
    {
      "id": "chg_01a16d6b-65d4-7b80-b292-24689439281a",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_sessions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_sessions"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_sessions” was removed",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d4-7b80-b292-24689439281a"
    },
    {
      "id": "chg_01a16d6b-65d5-72a2-9fc7-14945ec6a4fa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_type",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_type"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_type” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d5-72a2-9fc7-14945ec6a4fa"
    },
    {
      "id": "chg_01a16d6b-65d5-78ab-a42f-f443b878a14f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotlet_browser_upload",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotlet_browser_upload"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “cotlet_browser_upload” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d5-78ab-a42f-f443b878a14f"
    },
    {
      "id": "chg_01a16d6b-65d5-7e20-ab72-d95b31dd42d1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_draft",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_draft"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “create_draft” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d5-7e20-ab72-d95b31dd42d1"
    },
    {
      "id": "chg_01a16d6b-65d6-7431-8a5a-ec3a101e7320",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_post_tag",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_post_tag"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “create_post_tag” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d6-7431-8a5a-ec3a101e7320"
    },
    {
      "id": "chg_01a16d6b-65d6-79bc-9db2-2a1b3ba095b4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_subscriber_tag",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_subscriber_tag"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “create_subscriber_tag” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d6-79bc-9db2-2a1b3ba095b4"
    },
    {
      "id": "chg_01a16d6b-65d7-714a-9777-a2d487c7fc74",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "delete_comment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "delete_comment"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “delete_comment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d7-714a-9777-a2d487c7fc74"
    },
    {
      "id": "chg_01a16d6b-65d7-76eb-a271-801599e1c690",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "delete_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "delete_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “delete_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d7-76eb-a271-801599e1c690"
    },
    {
      "id": "chg_01a16d6b-65d7-7be9-9c9c-b44df7b4071d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "duplicate_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "duplicate_post"
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      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “duplicate_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d7-7be9-9c9c-b44df7b4071d"
    },
    {
      "id": "chg_01a16d6b-65d8-720b-8821-4e9ebf459817",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "export_subscribers",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "export_subscribers"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “export_subscribers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d8-720b-8821-4e9ebf459817"
    },
    {
      "id": "chg_01a16d6b-65d8-76f9-b414-02bc170ff05f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "follow_user",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "follow_user"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “follow_user” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d8-76f9-b414-02bc170ff05f"
    },
    {
      "id": "chg_01a16d6b-65d8-7c34-be0b-ff42da13d5ca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_audience_insights",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_audience_insights"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_audience_insights” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d8-7c34-be0b-ff42da13d5ca"
    },
    {
      "id": "chg_01a16d6b-65d9-7255-8640-a2f6e995c76b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_conversation",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_conversation"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_conversation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d9-7255-8640-a2f6e995c76b"
    },
    {
      "id": "chg_01a16d6b-65d9-77f3-94ee-b60cf68975e8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_daily_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_daily_stats"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_daily_stats” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d9-77f3-94ee-b60cf68975e8"
    },
    {
      "id": "chg_01a16d6b-65d9-7d03-9f36-6c5f9ef6b867",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_feed",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_feed"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_feed” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65d9-7d03-9f36-6c5f9ef6b867"
    },
    {
      "id": "chg_01a16d6b-65da-728f-993d-f33f77273950",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65da-728f-993d-f33f77273950"
    },
    {
      "id": "chg_01a16d6b-65da-76ff-b17f-68df034e62b3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_post_engagement",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_post_engagement"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_post_engagement” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65da-76ff-b17f-68df034e62b3"
    },
    {
      "id": "chg_01a16d6b-65da-7c8d-ae8d-bcc84d2a003f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_post_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_post_stats"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_post_stats” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65da-7c8d-ae8d-bcc84d2a003f"
    },
    {
      "id": "chg_01a16d6b-65db-71de-b3d0-782c7402e2db",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_post_traffic",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_post_traffic"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_post_traffic” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65db-71de-b3d0-782c7402e2db"
    },
    {
      "id": "chg_01a16d6b-65db-75d9-a926-a764bbb40746",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_publication_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_publication_stats"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_publication_stats” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65db-75d9-a926-a764bbb40746"
    },
    {
      "id": "chg_01a16d6b-65db-7a3c-be1f-b3090e59ca00",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_unread_counts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_unread_counts"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “get_unread_counts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65db-7a3c-be1f-b3090e59ca00"
    },
    {
      "id": "chg_01a16d6b-65db-7ea1-aa1a-6d043ba7178e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "like_comment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "like_comment"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “like_comment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65db-7ea1-aa1a-6d043ba7178e"
    },
    {
      "id": "chg_01a16d6b-65dc-7488-944e-9eb172ecb17f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "like_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "like_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “like_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dc-7488-944e-9eb172ecb17f"
    },
    {
      "id": "chg_01a16d6b-65dc-790c-8450-7ff2b75e309b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_activity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_activity"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_activity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dc-790c-8450-7ff2b75e309b"
    },
    {
      "id": "chg_01a16d6b-65dc-7d62-8d47-413280e6f66d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_comments",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_comments"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_comments” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dc-7d62-8d47-413280e6f66d"
    },
    {
      "id": "chg_01a16d6b-65dd-733f-9f41-82ba41ae7edc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_conversations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_conversations"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_conversations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dd-733f-9f41-82ba41ae7edc"
    },
    {
      "id": "chg_01a16d6b-65dd-77fb-a89c-6720ec23dbdd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_note_replies",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_note_replies"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_note_replies” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dd-77fb-a89c-6720ec23dbdd"
    },
    {
      "id": "chg_01a16d6b-65dd-7c72-95e6-449270bef8dc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_notes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_notes"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_notes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65dd-7c72-95e6-449270bef8dc"
    },
    {
      "id": "chg_01a16d6b-65de-72d1-b03a-dd5b5a3b46d4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_post_tags",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_post_tags"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_post_tags” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65de-72d1-b03a-dd5b5a3b46d4"
    },
    {
      "id": "chg_01a16d6b-65de-7855-8952-6bf31e233568",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_posts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_posts"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_posts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65de-7855-8952-6bf31e233568"
    },
    {
      "id": "chg_01a16d6b-65de-7cbe-8c60-4fe9aa8a196d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_recommendations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_recommendations"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_recommendations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65de-7cbe-8c60-4fe9aa8a196d"
    },
    {
      "id": "chg_01a16d6b-65df-724f-b916-c875e3338d71",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_sections",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_sections"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_sections” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65df-724f-b916-c875e3338d71"
    },
    {
      "id": "chg_01a16d6b-65df-775c-b97d-37a645b55858",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_subscriber_tags",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_subscriber_tags"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_subscriber_tags” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65df-775c-b97d-37a645b55858"
    },
    {
      "id": "chg_01a16d6b-65df-7d72-b6df-24244d77f717",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_subscribers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_subscribers"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_subscribers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65df-7d72-b6df-24244d77f717"
    },
    {
      "id": "chg_01a16d6b-65e0-738d-9271-99104368b764",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_subscriptions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_subscriptions"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_subscriptions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e0-738d-9271-99104368b764"
    },
    {
      "id": "chg_01a16d6b-65e0-792f-8b78-421277a196e5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_traffic_sources",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_traffic_sources"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “list_traffic_sources” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e0-792f-8b78-421277a196e5"
    },
    {
      "id": "chg_01a16d6b-65e0-7e84-9b0d-347de5db81cc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pin_comment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pin_comment"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “pin_comment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e0-7e84-9b0d-347de5db81cc"
    },
    {
      "id": "chg_01a16d6b-65e1-743e-8884-0b682ade7891",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "publish_note",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "publish_note"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “publish_note” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e1-743e-8884-0b682ade7891"
    },
    {
      "id": "chg_01a16d6b-65e1-799a-a176-e0290a523fb4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "publish_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "publish_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “publish_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e1-799a-a176-e0290a523fb4"
    },
    {
      "id": "chg_01a16d6b-65e1-7ed3-a7d7-3b5cc704f818",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "recommend_publication",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "recommend_publication"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “recommend_publication” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e1-7ed3-a7d7-3b5cc704f818"
    },
    {
      "id": "chg_01a16d6b-65e2-7470-834f-2a131e2d0da8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "remove_comment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "remove_comment"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “remove_comment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e2-7470-834f-2a131e2d0da8"
    },
    {
      "id": "chg_01a16d6b-65e2-79a8-81af-4b92998d1845",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "remove_subscriber",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "remove_subscriber"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “remove_subscriber” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e2-79a8-81af-4b92998d1845"
    },
    {
      "id": "chg_01a16d6b-65e2-7e6b-ad9e-6f742fd91b46",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reply_to_comment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reply_to_comment"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “reply_to_comment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e2-7e6b-ad9e-6f742fd91b46"
    },
    {
      "id": "chg_01a16d6b-65e3-7444-873f-1eab271bfb31",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reply_to_note",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reply_to_note"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “reply_to_note” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e3-7444-873f-1eab271bfb31"
    },
    {
      "id": "chg_01a16d6b-65e3-78d1-8822-cdb878a56488",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "schedule_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "schedule_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “schedule_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e3-78d1-8822-cdb878a56488"
    },
    {
      "id": "chg_01a16d6b-65e3-7d3b-bf38-5815602b5081",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_substack",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_substack"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “search_substack” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e3-7d3b-bf38-5815602b5081"
    },
    {
      "id": "chg_01a16d6b-65e4-72df-9752-174794a70b08",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_message",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_message"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “send_message” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e4-72df-9752-174794a70b08"
    },
    {
      "id": "chg_01a16d6b-65e4-7823-b4a9-d53f845ab408",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tag_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tag_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “tag_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e4-7823-b4a9-d53f845ab408"
    },
    {
      "id": "chg_01a16d6b-65ce-78e4-a078-9af7581d3ed5",
      "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": "1",
        "added": "0",
        "breaks": "0",
        "removed": "3",
        "auth_transport": "0"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65ce-78e4-a078-9af7581d3ed5"
    },
    {
      "id": "chg_01a16d6b-65e5-7336-8703-90b8b111fe04",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unpublish_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unpublish_post"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “unpublish_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e5-7336-8703-90b8b111fe04"
    },
    {
      "id": "chg_01a16d6b-65e5-7923-93fc-4ee43e876294",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "update_draft",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "update_draft"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “update_draft” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e5-7923-93fc-4ee43e876294"
    },
    {
      "id": "chg_01a16d6b-65e5-7d16-8951-1318171e6a63",
      "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 10:18:37.373559+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/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e5-7d16-8951-1318171e6a63"
    },
    {
      "id": "chg_01a16d6b-65e6-7236-a9c9-1181105bd705",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "0.1.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "0.1.0",
      "to_value": "0.1.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "3",
        "version": "0.1.0",
        "breaking": "0"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 0.1.0)",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e6-7236-a9c9-1181105bd705"
    },
    {
      "id": "chg_01a16d6b-65e4-7d5c-ba3d-3ec4219943ff",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "tag_subscribers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "tag_subscribers"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 10:18:37.373559+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Tool “tag_subscribers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-cotlet-substack/mcp-v1-substack#chg-chg_01a16d6b-65e4-7d5c-ba3d-3ec4219943ff"
    }
  ],
  "days": [
    {
      "date": "2026-10-24",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 70
    },
    {
      "date": "2026-10-23",
      "total": 69,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}