io.github.LufeMC/kaval
Kaval
Is the Kaval MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Verify the facts an agent's action depends on before it acts — ALLOW, REVIEW, or BLOCK.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @usekaval/mcp@0.7.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- kaval 0.7.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.5 % of a 1M context window
- Count
- 4.7k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 4.8k. The o200k_base estimate is 2.8k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/LufeMC/kaval-clients
- Website
- https://usekaval.com
- Registry
- active, updated 2026-08-05 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| check | 1 638 | 979 | 35 % |
| verify | 992 | 593 | 21 % |
| add_source | 828 | 495 | 18 % |
| get_receipt | 371 | 222 | 8 % |
| report_outcome | 348 | 208 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.LucasGorgal/localfig · alive
- Lucernel Public Tools io.github.Lucernel/public-tools · alive
- io.github.Lucid-Systems-LLC/lucid-apple-mcp · alive
- io.github.Luckycat133/traecnclaw · install failed
- Toon Memory io.github.LuiggiVal08/toon-memory · crashed on start
- RepoRelay io.github.Lukie-81/reporelay · not probed
- io.github.LumabyteCo/clarifyprompt · alive
- MTA:SA Documentation MCP Server io.github.Luminaire1337/mtasa-docs-mcp · alive
Servers that mention kaval or depends or action.
- Kaval io.github.usekaval/kaval · alive
- io.github.umitkavala/mindpm · alive
- Dubai Data — Dubai real estate statistics ae.datadubai/dubai-real-estate · alive
- Aviado AI ai.aviado/health · alive
- ai.boundaryai/boundaryai · needs auth
- ai.cobbles/cobbles · no DNS
- Contio MeetingOS ai.contio/meetingos · needs auth
- Cosmonote ai.cosmonote/notes · needs auth
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.