io.github.mcp-dir/carf-mcp
CARF (Recursos Fiscais)
Looks up proceedings of a person or company at the Administrative Board of Tax Appeals (CARF) from t
alive probed 2026-10-11 · HTTP 200
10tools
3.4ktokens in Claude Opus 5.5
3.5ktokens in Claude Code
1.7 %of a 200k context window
1.9ko200k_base estimate
79 msto initialize
22 msto list tools
- Endpoint
- https://api.mcp.ai/p_carf (streamable-http)
- Host
- api.mcp.ai
- Protocol
- 2025-11-25
- Reports itself as
- mcp-ai 0.9.372
- Capabilities
- tools
- Instructions
- 533 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-06. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mcp-dir/carf-mcp
- Registry
- active, updated 2026-08-15 · registry entry
- Reachable
- 9 of the last 9 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| marketplace | 702 | 37 % |
| jurisprudencia_buscar | 321 | 17 % |
| jurisprudencia_documento | 201 | 11 % |
| carf_consultar | 160 | 8 % |
| authenticate | 126 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-11 10:27 | alive | 424 ms | 10 | 3.4k | 1.9k |
| 2026-10-09 11:21 | alive | 192 ms | 10 | 3.4k | 1.9k |
| 2026-10-07 11:14 | alive | 423 ms | 10 | 3.4k | 1.9k |
| 2026-10-06 11:02 | alive | 1.9 s | 10 | 3.4k | 1.9k |
| 2026-10-05 00:38 | alive | 79 ms | 10 | 3.4k | 1.9k |
| 2026-10-04 10:06 | alive | 134 ms | 10 | 1.9k | |
| 2026-10-04 07:59 | alive | 109 ms | 10 | 1.9k | |
| 2026-10-03 20:39 | alive | 160 ms | 10 | 1.9k | |
| 2026-10-03 17:55 | alive | 290 ms | 10 | 1.9k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.mcp-dir/carf-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.