API & agent access

Machine-readable Form 5500 search for Form 5500 Search: OpenAPI, MCP, markdown negotiation, and public read APIs. No agent registration.

Discovery

API catalog (RFC 9727)
OpenAPI spec
auth.md — public reads need no account
MCP server card · endpoint /mcp
A2A agent card
Agent skills index
Send Accept: text/markdown on any HTML page for a chrome-stripped text view.

Read APIs

GET /api/health — liveness
GET /api/search?q= — filings by company, EIN, or plan name
GET /api/suggest?type=company&q= — typeahead
GET /api/plan/{ackId} — one filing

These are public DOL records. No API key. Crawlers should honor robots.txt (Disallow: /api/); interactive agents calling the documented endpoints is the intended use. Human Pro features (contact unlocks, CSV) stay behind /login and are not an agent signup flow.