com.open-and-async/mcp
Open & Async
Draft decision docs, turn meetings into async artifacts, and triage sync vs async in your editor.
alive probed 2026-10-15
11tools
2.0ktokens in Claude Opus 5.5
2.1ktokens in Claude Code
1.0 %of a 200k context window
1.2ko200k_base estimate
362 msto initialize
30 msto list tools
- Run it
- npx -y @open-and-async/mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- open-async 1.0.0
- Capabilities
- prompts, resources, tools
- Instructions
- 1 773 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/open-and-async/mcp
- Website
- https://open-and-async.com
- Registry
- active, updated 2026-07-19 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| draft_decision_doc | 151 | 13 % |
| convert_meeting_to_async | 129 | 11 % |
| search_principles | 128 | 11 % |
| get_guidance | 121 | 10 % |
| run_async_standup | 103 | 9 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.open-and-async/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.