io.github.daedalus/mcp-exa
mcp-exa
MCP server exposing Exa websearch API
alive probed 2026-10-15
9tools
4.2ktokens in Claude Opus 5.5
4.3ktokens in Claude Code
2.1 %of a 200k context window
2.4ko200k_base estimate
10.5 sto initialize
770 msto list tools
- Run it
- uvx mcp-exa==0.1.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- mcp-exa 4.1.0
- Capabilities
- logging, prompts, resources, 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/daedalus/mcp-exa
- Registry
- active, updated 2026-03-31 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search | 734 | 31 % |
| find_similar | 553 | 24 % |
| answer | 227 | 10 % |
| stream_answer | 215 | 9 % |
| research_poll_until_finished | 190 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.daedalus/mcp-exa)
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.