{"name":"FPDS-NG MCP","description":"Two pay-per-call x402 endpoints for the U.S. Federal Procurement Data System (FPDS-NG): contracts/search ($0.04) and contracts/by_vendor ($0.05). Decades of federal contract awards, no signup, no API key — pay USDC on Base.","url":"https://fpds-mcp.mtree.workers.dev","version":"0.1.0","documentationUrl":"https://fpds-mcp.mtree.workers.dev/agent-discovery","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"authentication":{"schemes":["x402"],"credentials":"Pay-per-call via x402 USDC on Base — no signup, no API key. Each call returns 402 with an EXACT-scheme requirement; agents pay 0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de in Base USDC and retry with X-PAYMENT."},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"contracts-search","name":"FPDS Federal Contract Search","description":"Search U.S. federal contract actions in FPDS-NG by description keyword, contracting agency code, NAICS, and signing-date window. Returns PIIDs, obligated amounts, vendors, NAICS, PSC, and direct FPDS UI links. $0.04/call.","tags":["procurement","government","federal","fpds","contracts","awards","naics","psc","govcon","vendor-due-diligence"],"examples":["Find DOD satellite contracts signed in the last 365 days","Search FPDS for cybersecurity contracts under NAICS 541512","What contracts has agency code 9700 signed in the last 90 days?"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"contracts-by-vendor","name":"FPDS Vendor Contract Lookup","description":"Pull recent FPDS contract actions for a single vendor (by name) plus a quick aggregate (total obligated $, distinct agencies, distinct NAICS). Useful for vendor due-diligence agents and competitive-intel bots. $0.05/call.","tags":["procurement","government","federal","fpds","vendor","due-diligence","competitive-intelligence","supplier","govcon"],"examples":["Show me Lockheed Martin's federal contracts over the last 5 years","What has Acme Aerospace been awarded by DOD recently?","Aggregate the last 50 federal contracts for SpaceX"],"inputModes":["application/json"],"outputModes":["application/json"]}]}