list_titles

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

List all 50 titles of the US Code of Federal Regulations (Title 1 General Provisions … Title 50 Wildlife and Fisheries), with currency dates. This is the index for the title filter in search_regulations. Keyless.

Example call

Arguments

{}

curl

curl -X POST https://gateway.pipeworx.io/ecfr/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_titles","arguments":{}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('list_titles', {});

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

See Getting Started for client-specific install steps.

Regenerated from source · build October 24, 2026