MCP SERVER

Capitol Trace MCP Server

Connect your AI to congressional intelligence in 30 seconds. Bills, votes, trades, donors, lobbying — all through natural language.

View on npm Get Free API Key

Tools14

Sources21+

Setup30s

Prompts10

Three steps. Thirty seconds.

Get Your API Key

Get key at /developers#get-key →

Add Config

Paste this into your Claude Desktop config file:

claude_desktop_config.json

{
  "mcpServers": {
    "capitoltrace": {
      "command": "npx",
      "args": ["-y", "@capitoltrace/mcp-server"],
      "env": {
        "CAPITOLTRACE_API_KEY": "ct_live_your_key_here"
      }
    }
  }
}

Replace YOUR_API_KEY with the key from Step 1.

Restart Claude

Restart Claude Desktop. You'll see the Capitol Trace tools in the MCP menu. Start asking questions about Congress.

That's it — you're live.

Available Tools

14 tools that give your AI direct access to congressional data. Free-tier tools work instantly; paid-tier tools require a Starter key or above.

Tool	Description	Tier
search_members	Search all 541 members by name, state, party, or chamber.	Free
get_member_profile	Full dossier: terms, committees, leadership roles, and legislation.	Free
get_member_votes	Roll-call voting record with bill context and results.	Free
get_executive_orders	Executive orders from the Federal Register, searchable by keyword or president.	Free
get_signals	AI-detected correlations between trades, votes, lobbying, and committee assignments.	Free
search_bills	Search legislation in the current Congress by keyword.	Free
compare_members	Side-by-side comparison of two members on ideology, finance, and voting record.	Free
get_stock_alerts	Late STOCK Act disclosures and suspicious congressional trading patterns.	Free
get_usage	Your API key's 30-day request counts and per-endpoint breakdown.	Free
check_api_health	Health of government APIs behind Capitol Trace — status, latency, and uptime.	Free
get_member_trades	Stock trades filed under the STOCK Act with disclosure delay flags.	Paid
get_member_donors	Campaign finance: total raised, PAC %, grassroots score, and funding tier.	Paid
get_member_ideology	DW-NOMINATE score, bipartisan rating, party unity, and percentile ranking.	Paid
search_lobbying	Senate LDA filings by client, firm, issue area, year, or dollar amount.	Paid

@capitoltrace/mcp-server14 tools

Example Prompts

Try these in Claude Desktop once the MCP server is connected.

01Which senators traded tech stocks in the last 90 days?

02Compare the voting records of Bernie Sanders and Joe Manchin.

03What are the top lobbying clients spending on AI regulation?

04Show me all bills related to TikTok that passed committee.

05Who are the biggest donors to members of the House Financial Services Committee?

06List all executive orders signed this year related to immigration.

07What is the bipartisan index for my state's representatives?

08Which members have the highest suspicion scores on stock trades?

09Find earmark requests over $10M in the latest appropriations bill.

10What super PACs are spending the most in swing state Senate races?

Ready to connect your AI to Congress?

"What Unusual Whales does for markets, Capitol Trace does for Congress."

Real-time congressional intelligence — stock trades, campaign finance, lobbying disclosures, executive orders, and more — normalized and accessible through a single MCP connection.

Get a free API key, paste the config, and start asking Claude about every dollar, vote, and trade in Washington.

Get Free API Key