Validate ACP discovery shape [fail]! ACP discovery is missing protocol.INFOValidate ACP discovery shape status="fail"INFOValidate ACP protocol object, name, date version, and supported_versions orderingFAILCheck protocol object and name actual={"hasProtocol":false} expected={"hasProtocol":true,"protocolName":"acp"}FAILCheck protocol version history actual={"supportedVersionCount":0,"supportedVersionsOrdered":true,"supportedVersionsEndWithCurrent":false} expected="date version with chronological supported_versions ending in current version"FAILACP discovery is missing protocol.Validate ACP endpoint and transports [fail]! api_base_url is missing or unsafe.INFOValidate ACP endpoint and transports status="fail"INFOValidate ACP API base URL and supported transportsFAILCheck safe HTTPS api_base_url actual=false expected=trueFAILCheck REST transport support actual=false expected=true transports=[] transportWarnings=[]FAILapi_base_url is missing or unsafe.Validate ACP capabilities [fail]! ACP discovery is missing capabilities.INFOValidate ACP capabilities status="fail"INFOValidate ACP services, extensions, intervention types, currencies, and localesFAILCheck capabilities object actual=false expected=trueFAILCheck stable ACP service declarations actual=[] expected="one or more known services such as checkout, orders, or delegate_payment"FAILCheck ACP capability values use stable service, extension, intervention, currency, and locale names actual="no compatibility warnings" expected="no unknown or unstable capability values" warnings=[]FAILACP discovery is missing capabilities.Review ACP cache and retry metadata [warning]! ACP discovery is missing Cache-Control guidance.INFOReview ACP cache and retry metadata status="warning"INFOInspect ACP discovery cache headers and retry guidance statusCode=200 cacheControl=null retryAfter=nullWARNCheck Cache-Control header on successful discovery actual="missing" expected="present for cacheable public discovery"WARNCheck Retry-After on rate-limit or unavailable responses actual="not required" expected="present only for 429 or 503"WARNACP discovery is missing Cache-Control guidance.

Validate Wildcard schema shape [fail]! agents.json does not match the expected Wildcard OpenAPI workflow shape.INFOValidate Wildcard schema shapeINFOParse agents.json and classify contract shape shape="unknown"FAILCompare contract shape actual="unknown" expected="wildcard"FAILCompare missing required schema fields actual="none" expected="none"FAILCompare Content-Type with JSON expectation actual=true expected=trueFAILagents.json does not match the expected Wildcard OpenAPI workflow shape.Validate API actions [fail]! Wildcard agents.json must include valid OpenAPI-derived action or operation definitions.INFOValidate API actionsFAILCompare API action count actual=0 expected="> 0"FAILCompare invalid action definitions actual=0 expected=0FAILWildcard agents.json must include valid OpenAPI-derived action or operation definitions.Validate flows and links [fail]! No executable flows were found.INFOValidate flows and linksFAILCompare workflow flow count actual=0 expected="> 0"FAILCompare operation link issues actual=0 expected=0FAILNo executable flows were found.Review examples and LLM usability [warning]! Examples or descriptions are too thin for reliable agent argument generation.INFOReview examples and LLM usabilityWARNCompare usable example count actual=0 expected="> 0 when actions are present"WARNExamples or descriptions are too thin for reliable agent argument generation.

Detect A2A card version [fail]! The discovered JSON document does not match a supported A2A Agent Card version family.INFODetect A2A card versionINFORead version indicators from the card detectionEvidence=[]FAILCompare detected A2A version family actual="unknown" expected="v0.1, v0.2, v0.3, or v1"FAILThe discovered JSON document does not match a supported A2A Agent Card version family.Validate version-specific card shape [fail]! Document does not match a supported A2A Agent Card shape.INFOValidate version-specific card shapeFAILCompare missing required card fields actual=["skills[]"] expected="none"FAILCheck every declared A2A skill has required name, description, and endpoint fields actual=0 expected=0 invalidSkills=[]INFOReview declared endpoint interfaces interfaces=[]FAILDocument does not match a supported A2A Agent Card shape.Probe same-origin A2A endpoint [warning]! A2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.INFOProbe same-origin A2A endpointINFOProbe same-origin A2A endpoint when scanner policy allows itSKIPSkipped endpoint probe reason="No valid A2A card was available to probe."WARNA2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.