LocalFree

Spec MCP server

evidence-readiness/spec

Checks agent traces for evidence-readiness: verifies evidence is present, not that it is true.

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Install Spec in Claude Code

Claude Code
claude mcp add spec -- uvx evidence-readiness
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "spec": {
      "command": "uvx",
      "args": [
        "evidence-readiness"
      ]
    }
  }
}

Frequently asked questions

What does the Spec MCP server do?

Checks agent traces for evidence-readiness: verifies evidence is present, not that it is true.

Is the Spec MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Spec run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Spec to Claude Code?

Run: claude mcp add spec -- uvx evidence-readiness

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