io.github.simulacra/verifyfirst
verifyfirst
Is the verifyfirst MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Look up what your verification method cannot see: 48 failures that report success.
alive probed 2026-11-14 · unchanged since 2026-10-30
- Run it
- uvx verifyfirst-mcp@1.8.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- verifyfirst 1.8.0
- Capabilities
- tools
- Instructions
- 362 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.1k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 2.2k. The o200k_base estimate is 1.3k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/simulacra/verifyfirst
- Website
- https://verifyfirst.dev
- Registry
- active, updated 2026-08-24 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.60×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| blind_spots | 418 | 261 | 20 % |
| from_symptom | 332 | 207 | 16 % |
| before_claiming | 313 | 195 | 15 % |
| get_instrument | 247 | 154 | 12 % |
| search | 228 | 142 | 11 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- tradefloor io.github.simoncoombes/tradefloor · install failed
- Kwork io.github.simonether/kwork-mcp · crashed on start
- SeekLink io.github.simonsysun/seeklink · needs args
- io.github.simplemindedbot/mnemex · not found
- Vivado Red MCP io.github.sinemortal/vivado-red-mcp · alive
- io.github.singularityjason/lightning-memory · needs mcp<2
- io.github.sinhaKAN-ra/anumana · alive
- fleet io.github.sinolion/fleet · alive
Servers that mention verification or failures.
- ai.atlasverified/atlas-mcp · needs auth
- DeployIt Product Expert ai.deployit/product-expert · alive
- ai.facesign/facesign-mcp · alive
- Human4AI Human Task Network ai.human4ai/collaboration · alive
- Licensy ai.licensy/mcp-server · needs auth
- ai.nullary/nullary · alive
- ScamVerify Threat Verification ai.scamverify/mcp · no DNS
- ai.tachyo/tachyo · 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.