io.github.xerj-org/xerj
XERJ
Is the XERJ MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.
The search engine for AI agents: cited answers from your local code, docs, specs and logs.
alive probed 2026-11-14 · unchanged since 2026-10-26
- Bundle
- https://github.com/xerj-org/xerj/releases/download/mcpb-v1.0.0-rc.99/xerj-mcp-1.0.0-rc.99.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
- Host
- github.com
- Reports itself as
- xerj-mcp 1.0.0-rc.99
- Capabilities
- tools
- Instructions
- 2 579 characters
- Of a 1M window
- 2.0 % of a 1M context window
- Count
- 20k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 20k. The o200k_base estimate is 12k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/xerj-org/xerj
- Website
- https://xerj.org
- Registry
- active, updated 2026-10-26 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.62×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| xerj_search | 3 302 | 2 040 | 17 % |
| xerj_hybrid_search | 2 438 | 1 506 | 12 % |
| xerj_code_search | 1 167 | 721 | 6 % |
| xerj_corpus_feedback | 1 081 | 668 | 5 % |
| xerj_map | 1 063 | 657 | 5 % |
Compare this server with others.
More servers
Other registry entries on github.com, the ones next to this name; all of them.
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- io.github.xixi048/publish-to-all-skill-stores · alive
Servers that mention answers or engine.
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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
- This server is in the heaviest 10 % of the registry. Its 5 most expensive tools are 46 % of the cost. 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.