{"schema_version":"v1","name_for_human":"Federal Procurement MCP","name_for_model":"procure_mcp","description_for_human":"Search U.S. federal contract opportunities (SAM.gov) and awards (USASpending.gov). Pay-per-call USDC on Base via x402 — no signup.","description_for_model":"Three pay-per-call x402 endpoints for U.S. federal procurement data. (1) opportunities_search: live SAM.gov RFPs/RFIs by keyword/NAICS/state/recency, $0.05. (2) awards_search: USASpending.gov contract awards by keyword/agency/NAICS/window, $0.03. (3) agencies_list: federal toptier agency directory with budget+outlays, $0.01. All endpoints return 402 on first call; settle the x402 envelope (USDC on Base, payTo 0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de) and retry with X-PAYMENT. Source-of-truth data, no fabrication, no signup.","auth":{"type":"none"},"api":{"type":"openapi","url":"https://procure-mcp.mtree.workers.dev/openapi.yaml"},"logo_url":"https://procure-mcp.mtree.workers.dev/agent-discovery","contact_email":"hello@","legal_info_url":"/legal"}