dev.toolpin/toolpin
toolpin
Check whether an MCP server answers, what its tools claim, and whether that claim has changed.
alive probed 2026-10-05 · HTTP 200
6tools
997tokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.5 %of a 200k context window
567o200k_base estimate
403 msto initialize
200 msto list tools
- Endpoint
- https://toolpin.dev/mcp (streamable-http)
- Host
- toolpin.dev
- Protocol
- 2025-11-25
- Reports itself as
- toolpin 0.1.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 508 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Toolpin/mcp-server
- Website
- https://toolpin.dev
- Registry
- active, updated 2026-09-20 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| get_server | 106 | 19 % |
| get_server_changes | 106 | 19 % |
| search_servers | 101 | 18 % |
| get_server_tools | 96 | 17 % |
| watch_server | 84 | 15 % |
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 14:00 | alive | 403 ms | 6 | 997 | 567 |
| 2026-10-05 00:25 | alive | 242 ms | 6 | 567 | |
| 2026-10-04 10:00 | alive | 923 ms | 6 | 567 | |
| 2026-10-04 07:53 | alive | 1.1 s | 6 | 567 | |
| 2026-10-03 20:33 | alive | 967 ms | 6 | 567 | |
| 2026-10-03 17:50 | alive | 764 ms | 6 | 567 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.toolpin/toolpin)
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.