Grants.gov
live GovernmentFundingOpen federal grant opportunities — every current/forecasted funding opportunity across all US agencies. No auth.
2 tools
0ms auth
free tier 50 calls/day
Tools
search_opportunities Filter open opportunities by keyword, status, agency code, funding category, assistance listing number (ALN/CFDA).
Parameters
Name Type Description
keyword opt string Full-text query status opt string forecasted | posted | closed | archived (pipe-combine ok) agencies opt string Comma-separated agency codes funding_categories opt string Comma-separated category codes aln opt string Assistance Listing Number (e.g., 10.001) limit opt number 1-1000 (default 25) offset opt number 0-based start record Try it
Response
get_opportunity
required: opportunity_id Full opportunity record: synopsis, eligibility, award ceiling/floor, attachments, contact info.
Parameters
Name Type Description
opportunity_id req number Numeric opportunity ID Try it
Response
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/grants-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/grants-gov/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_opportunities","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_opportunities", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("open federal grant opportunities — every current/forecasted funding opportunity across all us agencies");