# US Federal Grants Finder

> Open and upcoming US federal grants for your keywords — agency and eligibility filters, closing-soon alerts — from Grants.gov.

Remote MCP server (Streamable HTTP): https://us-federal-grants-mcp.donniertf.workers.dev/mcp
Free tier: `grant_search` — no key, no sign-up, 20 calls/day per IP.
Pro: $15/month, cancel anytime — all tools, unlimited.

## Tools
- grant_search (free): FREE. Open and forecasted US federal grants matching a keyword (e.g. 'broadband', 'small business', 'opioid') — top 3.
- grant_search_full (Pro): PRO. Up to 100 grants for several keywords with agency code and eligibility filters (e.g. eligibilities '12' nonprofits, '23' small business, '25' others).
- closing_soon (Pro): PRO. Posted grants for your keywords closing within N days (default 30), soonest first.

## Buying (agents)
1. POST https://us-federal-grants-mcp.donniertf.workers.dev/checkout -> {checkout_url, session_id}. A human (or a payment-capable agent) completes Stripe Checkout at checkout_url.
2. GET https://us-federal-grants-mcp.donniertf.workers.dev/token?session_id=... -> {access_token}.
3. Send Authorization: Bearer <access_token> to https://us-federal-grants-mcp.donniertf.workers.dev/mcp (or pass access_token in tool arguments).

## Pay per call (x402, USDC on Base)
No account: POST JSON args to https://us-federal-grants-mcp.donniertf.workers.dev/x402/<tool> -> HTTP 402 with payment requirements ($0.05 USDC per call, payTo 0x02226D28e0c85AE4AdDB7fe7043Dd2b1Ff710D41). Retry with an X-PAYMENT header (x402 v1, scheme exact, network base). Manifest: https://us-federal-grants-mcp.donniertf.workers.dev/.well-known/x402. MCP clients may also send X-PAYMENT on tools/call.
Machine-readable pricing: https://us-federal-grants-mcp.donniertf.workers.dev/pricing.json · Server card: https://us-federal-grants-mcp.donniertf.workers.dev/.well-known/mcp

## Sources
- Grants.gov search2 API (public domain)

## Notes
From the Grants.gov search API (federal discretionary grants). Always read the full notice of funding opportunity for eligibility and deadlines. Not legal or grant-writing advice.
Contact: dmorrisonwebdesign@gmail.com. More UK data MCPs: https://github.com/donniertf-hub/uk-mcp-fleet