Whetstone MCP Server: Install & Setup

Install Whetstone in Claude Code

Claude Code

claude mcp add whetstone -e APIFY_TOKEN=... -- npx -y whetstone-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "whetstone": {
      "command": "npx",
      "args": [
        "-y",
        "whetstone-mcp"
      ],
      "env": {
        "APIFY_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Whetstone MCP server do?

U.S. public-records: business registration (KYB), filings, watchlist screening, federal awards.

Is the Whetstone MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Whetstone run locally or remotely?

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

How do I add Whetstone to Claude Code?

Run: claude mcp add whetstone -e APIFY_TOKEN=... -- npx -y whetstone-mcp

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