How to Use the U.S. Congress MCP in Claude Code

Q: Can I use Claude Code to check U.S. Congress nominations?

You can absolutely list nominations using listcongressnominations. Piping this data allows you to automatically create tickets or alerts in a ticketing system based on the results.

Run deep U.S. Congress analysis from the command line with Claude Code.

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Connect U.S. Congress MCP to Claude Code

Create your Vinkius account to connect U.S. Congress to Claude Code and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup U.S. Congress with Claude Code

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Running Congressional Queries via Claude Code

You run a single command to get full details for any bill using `get_bill_details`. The output is clean JSON that you can pipe directly into a filtering tool or another script. You can also query the gov database for bills from the current or specified Congress with `list_congress_bills`, making it ideal for batch processing in a cron job.

Scripting Congressional Roster Checks

Need to validate member lists? Use `list_congress_members` and pipe the output into a script that checks against an internal employee directory. This is great for compliance checks. You can also automate committee lookups using `list_congress_committees`, sending results straight into logs or monitoring systems.

Processing Historical Legislative Data

The server handles historical data well. You use `list_congress_sessions` to find the start and end dates for specific Congresses, then feed those date ranges into other scripts for comparison. Want to track how a piece of legislation changed? Run `list_congress_amendments` and pipe every amendment record into a data warehouse for long-term storage.

Setup guide

Set up U.S. Congress MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see us-congress-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest U.S. Congress transactions." It will automatically discover and invoke the available U.S. Congress tools.

Terminal

claude mcp add --transport http us-congress-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

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Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the U.S. Congress MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "us-congress-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about U.S. Congress MCP in Claude Code

You wrap the MCP Server call around your build process. For instance, run `claude code mcp get_bill_details ` and pipe that JSON output directly into your artifact storage.

Yes. The terminal execution is fast because it avoids GUI overhead. You run the query, get clean text/JSON back, and move on. It's designed for high-throughput scripting.

You can absolutely list nominations using `list_congress_nominations`. Piping this data allows you to automatically create tickets or alerts in a ticketing system based on the results.

Use it whenever repeatability matters—things like bulk status checks, generating compliance reports, or populating large datasets from historical congressional records.

The server exposes structured legislative records: bills, members' names, amendments, treaties, nominations, committees, and session dates. All of these can be piped out via the command line.

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