io.github.qianqiuwanzi/hypermarrow-mcp
hypermarrow-memory
Is the io.github.qianqiuwanzi/hypermarrow-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Local-first AI memory MCP server. Record, recall and consolidate memory on your own machine.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y hypermarrow-mcp@0.1.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- hypermarrow-memory 0.1.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 513 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 573. The o200k_base estimate is 279. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/qianqiuwanzi/hypermarrow-mcp
- Website
- https://hm.qianshi.cool/
- Registry
- active, updated 2026-09-26 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.84×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| record_context | 177 | 96 | 34 % |
| file_anchor | 158 | 86 | 31 % |
| recall_memory | 105 | 57 | 20 % |
| consolidate | 74 | 40 | 14 % |
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.