US Federal Judges (FJC)

liveLegalGovernment

Every US federal (Article III) judge since 1789 — court, appointing president, confirmation and service dates, from the Federal Judicial Center directory.

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0msauth
free tier50 calls/day

Tools

fjc_judge_lookup

Look up a US federal (Article III) judge by name in the Federal Judicial Center biographical directory — every Supreme Court justice, court of appeals and district court judge since 1789. Returns each

No parameters required.

▶Try it
fjc_judges_by_court

List US federal judges who sat on a given federal court — e.g. the Supreme Court, the Ninth Circuit, the Southern District of New York — from the Federal Judicial Center directory. Filter to judges cu

No parameters required.

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fjc_judges_by_president

List the Article III federal judges appointed by a US president, from the Federal Judicial Center directory, with counts by court level (Supreme Court, courts of appeals, district courts). Returns eac

No parameters required.

▶Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/fjc-judges/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/fjc-judges/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"fjc_judge_lookup","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("fjc_judge_lookup", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("every us federal (article iii) judge since 1789 — court, appointing president, confirmation and service dates, from the federal judicial center directory");