Regulations.gov

liveGovernmentLegal

Federal regulatory dockets, documents, and public comments. Reuses your data.gov API key.

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0msauth
free tier50 calls/day

Tools

search_dockets

Search regulatory dockets. Filter by free-text query, agency (acronym like "EPA", "FDA"), docket type (Rulemaking / Nonrulemaking), or date range. Returns dockets with title, agency, type, status, doc

Parameters
NameTypeDescription
queryoptstringFull-text
agencyoptstringAgency acronym
docket_typeoptstringRulemaking | Nonrulemaking
last_modified_fromoptstringYYYY-MM-DD
last_modified_tooptstringYYYY-MM-DD
page_sizeoptnumber5-250
page_numberoptnumber1-based page
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get_docketrequired: docket_id

Single docket detail by docketId (e.g., "EPA-HQ-OAR-2021-0317"). Returns full metadata + summary counts.

Parameters
NameTypeDescription
docket_idreqstringDocket ID
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list_documents

Documents within a docket (or matching a query). Returns title, type (Rule / Proposed Rule / Notice / Supporting), comment counts, posted date, document ID.

Parameters
NameTypeDescription
docket_idoptstringDocket filter
queryoptstringFree-text
document_typeoptstringRule | Proposed Rule | Notice | etc.
page_sizeoptnumber5-250
page_numberoptnumber1-based page
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search_comments

Public comments filed on a docket or document. Filter by docketId, documentId (e.g., "EPA-HQ-OAR-2021-0317-0001"), free-text, or date.

Parameters
NameTypeDescription
docket_idoptstringDocket filter
document_idoptstringDocument filter
queryoptstringFree-text
posted_fromoptstringYYYY-MM-DD
posted_tooptstringYYYY-MM-DD
page_sizeoptnumber5-250
page_numberoptnumber1-based page
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get_commentrequired: comment_id

Single public comment by comment ID. Returns text, submitter, posting date, attachments.

Parameters
NameTypeDescription
comment_idreqstringComment ID
include_attachmentsoptbooleanInclude attachments
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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/regulations-gov/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/regulations-gov/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_dockets","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("search_dockets", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("federal regulatory dockets, documents, and public comments");