io.github.theluckystrike/calendar-ics-reader-events-freebusy-conflicts
mcp-calendar
Read the .ics your calendar exports: events in a window, free-busy, double bookings, export.
alive probed 2026-10-15 · HTTP 200
12tools
3.3ktokens in Claude Opus 5.5
3.6ktokens in Claude Code
1.6 %of a 200k context window
1.9ko200k_base estimate
80 msto initialize
49 msto list tools
- Endpoint
- https://mcp.zovo.one/mcp/calendar (streamable-http)
- Host
- mcp.zovo.one
- Protocol
- 2025-11-25
- Reports itself as
- mcp-calendar 0.22.6
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/theluckystrike/mcp-servers
- Website
- https://mcp.zovo.one/s/calendar
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| free_busy | 255 | 13 % |
| event_to_time_entry | 240 | 12 % |
| event_export | 231 | 12 % |
| ics_import | 222 | 12 % |
| events_list | 183 | 10 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-14 09:36 | alive | 82 ms | 12 | 3.3k | 1.9k |
| 2026-10-05 16:33 | alive | 80 ms | 12 | 3.3k | 1.9k |
| 2026-10-05 00:56 | alive | 48 ms | 12 | 1.9k | |
| 2026-10-04 10:07 | alive | 66 ms | 12 | 1.9k | |
| 2026-10-04 08:00 | alive | 57 ms | 12 | 1.9k | |
| 2026-10-03 20:40 | alive | 105 ms | 12 | 1.9k | |
| 2026-10-03 17:55 | alive | 88 ms | 12 | 1.9k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.theluckystrike/calendar-ics-reader-events-freebusy-conflicts)
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.