com.mcpcheckup/mcp
MCP Checkup
Observed facts on public MCP servers: protocol checks, tool changes, signed evidence. No verdicts.
alive probed 2026-10-05 · HTTP 200
6tools
4.3ktokens in Claude Opus 5.5
4.4ktokens in Claude Code
2.2 %of a 200k context window
2.8ko200k_base estimate
918 msto initialize
57 msto list tools
- Endpoint
- https://mcpcheckup.com/mcp (streamable-http)
- Host
- mcpcheckup.com
- Protocol
- 2025-11-25
- Reports itself as
- mcpcheckup 0.2.0
- Capabilities
- tools
- Instructions
- 1 138 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://mcpcheckup.com
- Registry
- active, updated 2026-09-21 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_mcps | 644 | 23 % |
| get_mcp_report | 473 | 17 % |
| search_mcps | 442 | 16 % |
| request_check | 407 | 15 % |
| get_attestation | 404 | 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 13:25 | alive | 918 ms | 6 | 4.3k | 2.8k |
| 2026-10-05 00:17 | alive | 607 ms | 6 | 2.7k | |
| 2026-10-04 09:57 | alive | 1.9 s | 6 | 2.7k | |
| 2026-10-04 07:50 | alive | 2.0 s | 6 | 2.7k | |
| 2026-10-03 20:30 | alive | 1.6 s | 6 | 2.7k | |
| 2026-10-03 17:48 | alive | 557 ms | 6 | 2.4k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.mcpcheckup/mcp)
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.