io.github.chrischall/microsoft-teams-mcp
microsoft-teams-mcp
Microsoft Teams for Claude — read any chat or channel and its unread messages; send and react
alive probed 2026-10-15
12tools
17ktokens in Claude Opus 5.5
17ktokens in Claude Code
8.3 %of a 200k context window
11ko200k_base estimate
413 msto initialize
27 msto list tools
- Run it
- npx -y @chrischall/microsoft-teams-mcp@0.6.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- microsoft-teams-mcp 0.6.0
- 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/chrischall/microsoft-teams-mcp
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| teams_get_unread | 2 516 | 23 % |
| teams_read_conversation | 1 923 | 18 % |
| teams_list_chats | 1 292 | 12 % |
| teams_search_messages | 839 | 8 % |
| teams_send_message | 759 | 7 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.chrischall/microsoft-teams-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.