{"schema_version":"v1","name_for_human":"FPDS-NG MCP","name_for_model":"fpds_mcp","description_for_human":"Search U.S. federal contract awards from the Federal Procurement Data System (FPDS-NG). Pay-per-call USDC on Base via x402 — no signup.","description_for_model":"Two pay-per-call x402 endpoints for U.S. federal contract data from FPDS-NG. (1) contracts_search: search by description keyword, contracting agency code, NAICS, signing-date window, $0.04. (2) contracts_by_vendor: recent contract actions for a vendor + aggregate (total obligated $, distinct agencies, distinct NAICS), $0.05. Both return 402 on first call; settle the x402 envelope (USDC on Base, payTo 0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de) and retry with X-PAYMENT. Source-of-truth FPDS data, no fabrication, no signup.","auth":{"type":"none"},"api":{"type":"openapi","url":"https://fpds-mcp.mtree.workers.dev/openapi.yaml"},"logo_url":"https://fpds-mcp.mtree.workers.dev/agent-discovery","contact_email":"hello@","legal_info_url":"/legal"}