LocalFree

Corroborate MCP server

chefcohen/corroborate-mcp

Measure how independently a claim is reported, with syndication-aware source counting and 0-1 confidence scores. Measures corroboration, not truth.

1 GitHub stars221 npm downloads / month
Source code

Install Corroborate in Claude Code

Claude Code
claude mcp add corroborate -- npx -y corroborate-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "corroborate": {
      "command": "npx",
      "args": [
        "-y",
        "corroborate-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Corroborate MCP server do?

Measure how independently a claim is reported, with syndication-aware source counting and 0-1 confidence scores. Measures corroboration, not truth.

Is the Corroborate 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 Corroborate run locally or remotely?

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

How do I add Corroborate to Claude Code?

Run: claude mcp add corroborate -- npx -y corroborate-mcp

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