`pacer_party_search`

Pack: pacer · 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/pacer_party_search for the schema, then POST the same URL with its arguments for the data.

Find parties across US federal court cases by name — live PACER Case Locator (PCL) party search across all federal courts. Returns each matching party (name, role) with the associated case number, court, and case title. Requires your own PACER credentials (NextGen); PACER charges your account per search ($0.10/page, capped). Example: pacer_party_search({ party_name: “Nicholas Henderson”, _apiKey: “myuser:mypass” })

Parameters

Name	Type	Required	Description
`party_name`	string	yes	Party name to search for, e.g. “Nicholas Henderson” or “Smith”. Required.
`court_id`	string	no	Optional court ID to restrict the search, e.g. “ilndc”.
`role`	string	no	Optional party role code to filter by, e.g. “dft” (defendant) or “pla” (plaintiff).
`page`	integer	no	Optional 0-based result page (up to 54 matches per page). Default 0.
`_apiKey`	string	yes	Your PACER credentials as “username:password” (NextGen PACER account). PACER bills your account per search.

Example call

Arguments

{
  "party_name": "Nicholas Henderson",
  "_apiKey": "your-pacer-username:your-pacer-password"
}

curl

curl -X POST https://gateway.pipeworx.io/pacer/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"pacer_party_search","arguments":{"party_name":"Nicholas Henderson","_apiKey":"your-pacer-username:your-pacer-password"}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('pacer_party_search', {
  "party_name": "Nicholas Henderson",
  "_apiKey": "your-pacer-username:your-pacer-password"
});

More examples

{
  "party_name": "Smith",
  "court_id": "ilndc",
  "role": "dft",
  "_apiKey": "your-pacer-username:your-pacer-password"
}

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 pacer pack

{
  "mcpServers": {
    "pacer": {
      "url": "https://gateway.pipeworx.io/pacer/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

pacer_party_search