io.github.limey/cal-scheduler-mcp
cal-scheduler
Timezone-correct CalDAV scheduling MCP server with validated recurrence and single-occurrence edits.
alive probed 2026-10-15
11tools
3.4ktokens in Claude Opus 5.5
3.6ktokens in Claude Code
1.7 %of a 200k context window
2.0ko200k_base estimate
2.1 sto initialize
3 msto list tools
- Run it
- uvx cal-scheduler-mcp==1.1.3 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- cal-scheduler
- Capabilities
- 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/limey/cal-scheduler-mcp
- Registry
- active, updated 2026-08-16 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| create_event | 401 | 20 % |
| update_event | 363 | 18 % |
| move_occurrence | 337 | 17 % |
| exclude_occurrence | 201 | 10 % |
| mark_done | 180 | 9 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.limey/cal-scheduler-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.