Capitol Ledger MCP Server: Install & Setup

Install Capitol Ledger in Claude Code

Claude Code

claude mcp add capitol-ledger -e CAPITOL_LEDGER_API_KEY=... -- uvx capitol-ledger-mcp

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

{
  "mcpServers": {
    "capitol-ledger": {
      "command": "uvx",
      "args": [
        "capitol-ledger-mcp"
      ],
      "env": {
        "CAPITOL_LEDGER_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Capitol Ledger MCP server do?

Read-only House stock disclosures and synthetic portfolio research. Approved pilot key required.

Is the Capitol Ledger 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 Capitol Ledger run locally or remotely?

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

How do I add Capitol Ledger to Claude Code?

Run: claude mcp add capitol-ledger -e CAPITOL_LEDGER_API_KEY=... -- uvx capitol-ledger-mcp

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