io.github.scbrown/quipu
Quipu
Is the Quipu MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-04.
Local knowledge graph memory for agents. SHACL rules refuse bad facts; SPARQL and time travel.
alive probed 2026-11-14 · unchanged since 2026-11-04
79tools
25ktokens in Claude Opus 5.5
12.5 %of Claude's 200k window
10.0×the median server
421 msto initialize
4 msto list tools
- Run it
- docker run -i --rm ghcr.io/scbrown/quipu:0.15.0 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- quipu 0.15.0
- Capabilities
- tools
- Instructions
- 78 characters
- Of a 1M window
- 2.5 % of a 1M context window
- Count
- 25k tokens in Claude Opus 5.5, exact, measured 2026-11-04. With the Claude Code prefix mcp__…__ on each tool name: 26k. The o200k_base estimate is 14k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/scbrown/quipu
- Website
- https://scbrown.github.io/quipu/
- Registry
- active, updated 2026-10-20 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| quipu_search | 1 860 | 1 027 | 7 % |
| quipu_verdict_verify | 1 060 | 585 | 4 % |
| quipu_project | 866 | 478 | 3 % |
| quipu_retract_source | 806 | 445 | 3 % |
| quipu_knot | 734 | 405 | 3 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- mergelock io.github.sadayamuthu/mergelock · alive
- SafeDep Vet MCP io.github.safedep/vet-mcp · crashed on start
- SandBase Harness io.github.sandbaseai/sandbase-harness · alive
- SAS Viya io.github.sassoftware/sas-mcp-server · needs env
- Memento io.github.scrypster/memento · not found
- fabric-dw io.github.sdebruyn/fabric-dw-mcp · alive
- Corral io.github.sebastienrousseau/corral · crashed on start
- corralctl io.github.sebastienrousseau/corralctl · crashed on start
Servers that mention quipu.
- io.github.nubiia-dev/mcp-quipu · alive
- Quipu MCP by usefulapi io.usefulapi/quipu · timeout
- Quipu io.github.intigraph/quipu · alive
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
- This server is in the heaviest 10 % of the registry. Shorter descriptions, fewer optional parameters and fewer tools cut the cost. The command npx mcpcost --url <endpoint> --tools 50 lists every tool with its cost.