com.rattlesnakesbymail/rattlesnakesbymail
Rattlesnakes By Mail
Dated, sourced claims about AI crawlers and agents, offered as MCP tools.
alive probed 2026-10-05 · HTTP 200
5tools
1.1ktokens in Claude Opus 5.5
1.2ktokens in Claude Code
0.5 %of a 200k context window
656o200k_base estimate
249 msto initialize
157 msto list tools
- Endpoint
- https://rattlesnakesbymail.com/mcp (streamable-http)
- Host
- rattlesnakesbymail.com
- Protocol
- 2025-06-18
- Reports itself as
- Rattlesnakes By Mail 0.1.0
- Capabilities
- tools
- Instructions
- 237 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://rattlesnakesbymail.com
- Registry
- active, updated 2026-09-19 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| submit_note | 193 | 29 % |
| list_changes | 137 | 21 % |
| ask | 118 | 18 % |
| lookup_crawler | 115 | 18 % |
| identify_user_agent | 93 | 14 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:36 | alive | 249 ms | 5 | 1.1k | 656 |
| 2026-10-05 00:19 | alive | 165 ms | 5 | 656 | |
| 2026-10-04 09:58 | alive | 640 ms | 5 | 656 | |
| 2026-10-04 07:51 | alive | 435 ms | 5 | 656 | |
| 2026-10-03 20:31 | alive | 406 ms | 5 | 656 | |
| 2026-10-03 17:49 | alive | 474 ms | 5 | 656 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.rattlesnakesbymail/rattlesnakesbymail)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.