ai.callmcp/server
callmcp-server
One MCP tool contract for telephony — any call provider, hosted, local, or BYOK.
alive probed 2026-10-15
14tools
2.9ktokens in Claude Opus 5.5
3.0ktokens in Claude Code
1.5 %of a 200k context window
1.6ko200k_base estimate
419 msto initialize
8 msto list tools
- Run it
- npx -y @callmcp/server@0.1.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- callmcp-server 0.1.0
- 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/CallMCP/callmcp
- Registry
- active, updated 2026-07-10 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| request_call_approval | 268 | 17 % |
| make_call | 208 | 13 % |
| send_sms | 168 | 11 % |
| configure_number | 122 | 8 % |
| buy_number | 121 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/ai.callmcp/server)
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.