Mmcp.market

Rattlesnakesbymail MCP server

by rattlesnakesbymail.com·com.rattlesnakesbymail/rattlesnakesbymail·v0.1.0
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Dated, sourced claims about AI crawlers and agents, offered as MCP tools.

C60/100grade C
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Safety scan
C60/100

full report

Adoption
New

Little public usage data yet

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If you have run it, two minutes of your experience saves the next person an afternoon.

Rattlesnakesbymail tools (5, 1 write)

write = sends, deletes, buys or posts
  • askFree

    Match a free-text question against the claims and entities published on Rattlesnakes By Mail and log the question to the ledger.

  • identify_user_agentFree

    Match a raw User-Agent string against the crawlers documented on Rattlesnakes By Mail and return verification instructions.

  • list_changesFree

    List recorded changes to claims on Rattlesnakes By Mail, newest first, optionally filtered by date or entity.

  • lookup_crawlerFree

    Look up a documented crawler on Rattlesnakes By Mail by name, slug, or user-agent string, and return its identity fields and current claims.

  • submit_notewrite actionFree

    Submit a pending correction or note about a claim, an entity, or a question on Rattlesnakes By Mail, gated behind a client token issued by the publisher.

Public scan report

scanner v0.1.9 · 2026-09-19 · same rubric, same numbers if you re-run it

1 high1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 299ms20/20
  • Tool poisoning5 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenanceno repository listed3/15
  • Maintainer identityverified namespace with website, no repo4/10

Findings (2)

  • highWrite-action tools reachable without authenticationauth.open-write
  • lowNo source repository listedmaint.no-repo
Overall 60/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

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

Rattlesnakesbymail: common questions

Is Rattlesnakesbymail MCP server safe?
With care: it is graded C, so read the findings first (60/100). Read the Rattlesnakesbymail safety report
How do I install Rattlesnakesbymail?
It runs remotely at rattlesnakesbymail.com. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Rattlesnakesbymail need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Rattlesnakesbymail maintained?
The latest release is v0.1.0.
Is Rattlesnakesbymail up?
100% of our last 5 checks got an answer. We check remote servers about four times a day.

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