io.github.Rixtayz/mcp-usage
mcp-usage
Find out which MCP servers you actually use: local, read-only audit of Claude Code transcripts.
alive probed 2026-10-15
4tools
1.0ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.5 %of a 200k context window
577o200k_base estimate
405 msto initialize
10 msto list tools
- Run it
- npx -y @rixtay/mcp-usage@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-usage 0.1.1
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Rixtayz/mcp-usage
- Website
- https://github.com/Rixtayz/mcp-usage#readme
- Registry
- active, updated 2026-09-30 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| recommendations | 163 | 28 % |
| unused_servers | 154 | 27 % |
| server_details | 134 | 23 % |
| usage_summary | 126 | 22 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Rixtayz/mcp-usage)
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.