com.mcpcensus/census
The MCP Census
Vet any MCP server before you depend on it. Stamp: PASS, REVIEW, or BLOCK.
alive probed 2026-10-05 · HTTP 200
15tools
3.5ktokens in Claude Opus 5.5
3.6ktokens in Claude Code
1.8 %of a 200k context window
2.0ko200k_base estimate
357 msto initialize
155 msto list tools
- Endpoint
- https://api.mcpcensus.com/mcp (streamable-http)
- Host
- api.mcpcensus.com
- Protocol
- 2025-06-18
- Reports itself as
- mcp-census 1.4.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://mcpcensus.com
- Registry
- active, updated 2026-08-30 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| census_audit_config | 350 | 17 % |
| census_changes | 246 | 12 % |
| census_watch_subscribe | 228 | 11 % |
| census_search | 193 | 10 % |
| census_stamp | 181 | 9 % |
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 | 357 ms | 15 | 3.5k | 2.0k |
| 2026-10-05 00:17 | alive | 254 ms | 15 | 2.0k | |
| 2026-10-04 09:57 | alive | 1.1 s | 15 | 2.0k | |
| 2026-10-04 07:50 | alive | 1.2 s | 15 | 2.0k | |
| 2026-10-03 20:30 | alive | 988 ms | 15 | 2.0k | |
| 2026-10-03 17:48 | alive | 153 ms | 15 | 2.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.mcpcensus/census)
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.