fjc_seat_succession

Pack: fjc-judges · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/fjc_seat_succession for the schema, then POST the same URL with its arguments for the data.

Trace who held a US federal judgeship (Article III seat) before and after a judge, from the Federal Judicial Center biographical directory. Give a judge name (or an FJC Seat ID) and get the whole chain of holders of that seat in order, each with appointing president, commission date and how service ended, plus the named predecessor and successor of the judge asked about. Answers “who did Judge X replace”, “who succeeded Justice Y”, “who has held this seat”.

Parameters

NameTypeRequiredDescription
namestringnoJudge name, full or partial, e.g. “John G. Roberts”, “Millett”. Add court if the surname is common.
seat_idstringnoFJC Seat ID of any holder of the seat, e.g. “CADC0607” (returned by fjc_judge_lookup). Alternative to name.
courtstringnoOptional court fragment selecting which of a judge’s appointments to trace, e.g. “District of Columbia Circuit”.

Example call

Arguments

{
  "name": "Millett",
  "court": "District of Columbia Circuit"
}

curl

curl -X POST https://gateway.pipeworx.io/fjc-judges/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"fjc_seat_succession","arguments":{"name":"Millett","court":"District of Columbia Circuit"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('fjc_seat_succession', {
  "name": "Millett",
  "court": "District of Columbia Circuit"
});

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}
Connect to just the fjc-judges pack
{
  "mcpServers": {
    "fjc-judges": {
      "url": "https://gateway.pipeworx.io/fjc-judges/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

Regenerated from source · build October 22, 2026