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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

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

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

[mcp_servers.rattlesnakesbymail]
url = "https://rattlesnakesbymail.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "rattlesnakesbymail": {
      "type": "remote",
      "url": "https://rattlesnakesbymail.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "rattlesnakesbymail": {
      "type": "http",
      "url": "https://rattlesnakesbymail.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=rattlesnakesbymail&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcmF0dGxlc25ha2VzYnltYWlsLmNvbS9tY3AifQ%3D%3D"
}

{
  "servers": {
    "rattlesnakesbymail": {
      "type": "http",
      "url": "https://rattlesnakesbymail.com/mcp"
    }
  }
}

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

extensions:
  "rattlesnakesbymail":
    enabled: true
    name: "rattlesnakesbymail"
    type: streamable_http
    uri: "https://rattlesnakesbymail.com/mcp"
    timeout: 300

Quality 88 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene93 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
warn
tools.directory_hints2 of 5 tools declare all four hints; missing: identify_user_agent (destructiveHint, idempotentHint); lookup_crawler (destructiveHint, idempotentHint); list_changes (destructiveHint, idempotentHint)
pass
tools.token_costabout 774 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 774 tokens to load them all · tool set 6524be2d9c70 · checked 2026-10-21 01:38 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository

provenance55

liveness99

freshness85

hygiene80

+dns-namespace +website +reachable +uptime-97% ~updated-31d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://rattlesnakesbymail.com/mcp` streamable-http	none	yes	97%	171 ms	2025-06-18	2026-10-20

Tools (5)

`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 Mail. Do not send private or identifying text to ask.
`identify_user_agent`read-only	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`read-only	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.
`lookup_crawler`read-only	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.
`submit_note`	Submit a correction or note about a claim, an entity, or a question 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.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "com.rattlesnakesbymail/rattlesnakesbymail",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "remotes": [
    {
      "url": "https://rattlesnakesbymail.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "websiteUrl": "https://rattlesnakesbymail.com",
  "description": "Dated, sourced claims about AI crawlers and agents, offered as MCP tools."
}