io.github.carlisia/mcp-factcheck
mcp-factcheck-server
Is the io.github.carlisia/mcp-factcheck MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
An MCP server that validates content against MCP specification using semantic search and AI
alive probed 2026-11-15 · unchanged since 2026-11-01
- Run it
- docker run -i --rm ghcr.io/carlisia/mcp-factcheck:v1.0.0 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- mcp-factcheck-server 0.1.0
- Capabilities
- prompts, tools
- Instructions
- none
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.7k tokens in Claude Opus 5.5, exact, measured 2026-11-01. With the Claude Code prefix mcp__…__ on each tool name: 1.8k. The o200k_base estimate is 986. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/carlisia/mcp-factcheck
- Registry
- active, updated 2025-10-07 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| check-mcp-claims | 640 | 365 | 37 % |
| check-mcp-quick-claim | 612 | 349 | 35 % |
| search-spec | 315 | 180 | 18 % |
| list-spec-versions | 161 | 92 | 9 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- MCP Server Auth Template io.github.brunovicco/mcp-server-auth-template · not probed
- io.github.buildkite/buildkite-mcp-server · crashed on start
- IMAP Mail io.github.buzzer/imap-mcp · alive
- x402 Router io.github.camerxnduff/x402-router · alive
- TrueNAS SCALE io.github.cedricziel/truenas-mcp · not probed
- CityEngine Cloud io.github.cgajs/cityengine-mcp · alive
- WPGuard MCP io.github.cgallic/wpguard-mcp · not probed
- tollbooth io.github.chrzanowy/agent-tollbooth · not probed
Servers that mention factcheck or specification or validates.
- Korea Finance Factcheck io.github.hs85-newbie/korea-finance-factcheck · alive
- Icecat biz.icecat/mcp · alive
- Mantrana co.mantrana/mantrana · needs auth
- APIShed com.apished/apished · not MCP
- Checksum Validator com.apished/checksum-validator · alive
- PESEL/NIP/REGON Validator com.apished/pesel-nip-regon-validator · alive
- FiltreCharbon com.filtrecharbon/catalogue · alive
- Check Digit Validator com.gumballtools/check-digit · 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
- The server answers initialize and tools/list. Nothing to fix.