Dated, sourced claims about AI crawlers and agents, offered as MCP tools.
| Endpoint | https://rattlesnakesbymail.com/mcp (streamable-http) |
|---|---|
| Registry version | 0.1.0 |
| Now | 6 tools · grade A (100) · pin ts_b7279b465e54d51aac6dc5a99e1b9159 · protocol 2025-06-18 |
| First / last listed | 2026-11-11 01:51 UTC / 2026-11-11 01:51 UTC |
| Grade over time | 2026-11-11: A (100), 6 tools |
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Tools: lookup_crawler identify_user_agent list_changes ask submit_note get_snapshot
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. params: name_or_ua* |
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. params: user_agent* |
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. params: since, entity, limit |
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. params: question* |
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. params: target_type, target_id, target, body*, token* |
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 describe what these crawlers did here, not across the web. params: date* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.