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The Observatory

by mgorsky.net · remote · no sign-in to list tools · v1.0.1 · published by net.mgorsky

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Changes · 1
CompareRegistry entry

5 tools: 1 change things and 4 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http observatory https://observatory.mgorsky.net/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

5 tools

Changes things 1Claude Code: ask
  • latest_issuesThe Observatory's latest issues, newest first: title, date, the lead story, and the addresses of the issue's page and of its Markdown.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    The Observatory's latest issues, newest first: title, date, the lead story, and the addresses of the issue's page and of its Markdown.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
Only reads 4Claude Code: allow
  • get_issueOne issue in full, as Markdown, with each of its stories' addresses on the Observatory's site and at the source.No findings

    Why it is in this group

    • The name "get_issue" says "get": a word for reading.
    Description, as the server wrote it
    One issue in full, as Markdown, with each of its stories' addresses on the Observatory's site and at the source.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
  • list_publicationsWhat the Observatory publishes, by product group: each publication, what it covers, its days and hour, and the feeds.No findings

    Why it is in this group

    • The name "list_publications" says "list": a word for reading.
    Description, as the server wrote it
    What the Observatory publishes, by product group: each publication, what it covers, its days and hour, and the feeds. Readers subscribe at the address given.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
  • search_bookSearch the Book: every note the Observatory's desks have written since late September 2026, each a story read, checked and summarized from one or more sources, many of which never …No findings

    Why it is in this group

    • The name "search_book" says "search": a word for reading.
    Description, as the server wrote it
    Search the Book: every note the Observatory's desks have written since late September 2026, each a story read, checked and summarized from one or more sources, many of which never reached an issue. Returns the matching notes, best first: headline, summary, type, tags, desk, source, the original's address, the date, and the credibility label when the check gave one. Same query syntax as search_news.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
  • search_newsSearch the stories in the Observatory's published issues (daily and weekly, the last year).No findings

    Why it is in this group

    • The name "search_news" says "search": a word for reading.
    Description, as the server wrote it
    Search the stories in the Observatory's published issues (daily and weekly, the last year). Returns the matching stories, best first: headline, summary, source, the original's address, and the story's own address on the Observatory's site. The query takes web-search syntax: words, "a phrase", -word, or.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http observatory https://observatory.mgorsky.net/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__observatory__search_news",
      "mcp__observatory__search_book",
      "mcp__observatory__get_issue",
      "mcp__observatory__list_publications"
    ],
    "ask": [
      "mcp__observatory__latest_issues"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as observatory. Review it before you use it.