{"name": "Conformance oracle", "by": "TextForAgents LLC", "support": "support@textforagents.com", "what": "The badge certifies the SDK. This service tests the pair you actually run \u2014 your client revision x their deployed server x the extensions they claim x their A2A card \u2014 and returns a signed verdict before you delegate.", "prices": {"verdict_query_atomic": 10000, "full_pair_check_atomic": 4990000, "operator_atomic": 9990000, "fleet_atomic": 19990000, "verdict_query": "$0.01", "full_pair_check": "$4.99", "operator": "$9.99/mo", "fleet": "$19.99/mo"}, "trial": "One free full pair check per operator, ever, enforced by operator account identity.", "limits": "Stated plainly: in the lab's fixture population 3 of 6 MCP pairs returned KNOWN-DIALECT-DIFF and an MCP-clean pair still failed on its A2A card alone, but the live dialect-diff rate across popular deployed servers is unmeasured; the A2A surface graded is a minimal well-formedness set, not a full suite; verdicts are version-bound; version-tick cadence and willingness to pay are unmeasured \u2014 nobody has sold a pair-level verdict before. Coverage: at $0.01/query the cheap, casual, low-stakes delegation tier rationally goes unchecked; coverage is the consequential delegation tier, contract-gating procurement checks, and pass-covered standing pairs \u2014 no surface claims universal per-delegation checking.", "how_to_start": "POST /register {operator, payer_wallet} -> api_key (shown once). Then POST /probe (trial, pass, or x402 payment), GET /verdict, POST /subscribe for passes, POST /verify-receipt to check a signed receipt.", "endpoints": ["GET /health", "POST /register", "POST /probe", "GET /verdict", "POST /subscribe", "POST /verify-receipt", "POST /mcp", "GET /terms", "GET /privacy", "GET /openapi.json", "GET /.well-known/x402"]}