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com.rattlesnakesbymail/rattlesnakesbymail

com.rattlesnakesbymail/rattlesnakesbymail · v0.1.0

Measured by MCP Station

Description written by the publisher, not verified

Dated, sourced claims about AI crawlers and agents, offered as MCP tools.

Connect

claude mcp add --transport http rattlesnakesbymail https://rattlesnakesbymail.com/mcp

{
  "mcpServers": {
    "rattlesnakesbymail": {
      "url": "https://rattlesnakesbymail.com/mcp"
    }
  }
}

Tools as reported by the server

• lookup_crawler
  Look up a documented crawler on Rattlesnakes By Mail by name, slug, or user-agent string, and return identity fields, current claims, publication dates, and evidence URLs. Use lookup_crawler when the crawler is already named, or when the user agent is already known to belong to a documented crawler.
• identify_user_agent
  Match an unrecognized raw User-Agent header against the crawlers documented on Rattlesnakes By Mail, and return the matched crawler plus instructions for verifying the request. Use identify_user_agent when the crawler behind the User-Agent header is not yet known.
• list_changes
  List recorded changes to claims on Rattlesnakes By Mail, newest first, with the change date and the affected crawler. Filter by date with since, by crawler with entity, or by both. Use list_changes to detect crawler policy updates published after a given date.
• ask
  Match a free-text question against the claims published on Rattlesnakes By Mail, and return the matching claims, or no match when no published claim covers the question. Every question sent to ask is recorded, and a recorded question may be published on the public questions page at Rattlesnakes By M
• submit_note
  Submit a correction or note about a claim, an entity, a question, or a daily snapshot on Rattlesnakes By Mail. Requires a client token issued out of band by the publisher. Every note is stored as pending, and an editor reviews every pending note before publication.
• get_snapshot
  Return the daily snapshot of crawler activity on Rattlesnakes By Mail for one UTC date: dated facts, a table of crawler requests, context against each crawler's recent history, and links. Pass a six digit label such as 261101 or an ISO date such as 2026-11-01. The numbers come from one website and d

Tool changes

• 2026-10-23: lookup_crawler, identify_user_agent, list_changes, ask, submit_note, get_snapshot
• 2026-10-16: lookup_crawler, identify_user_agent, list_changes, ask, submit_note

Website · JSON · Text for agents · Registry updated 2026-09-19