io.github.Oortonaut/mcacp
mcacp
MCP-to-ACP bridge — let any MCP client drive ACP coding agents
alive probed 2026-10-14
24tools
4.6ktokens in Claude Opus 5.5
4.8ktokens in Claude Code
2.3 %of a 200k context window
2.5ko200k_base estimate
250 msto initialize
9 msto list tools
- Run it
- npx -y mcacp@0.1.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcacp 0.1.2
- Capabilities
- resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Oortonaut/mcacp
- Registry
- active, updated 2026-01-31 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| new_session | 251 | 10 % |
| load_session | 209 | 8 % |
| initialize | 200 | 8 % |
| prompt_start | 200 | 8 % |
| request_permission | 139 | 6 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Oortonaut/mcacp)
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.