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Deterministic rules for EN, NL, DE; a clean verdict is not a guarantee. Free self-test against a hashed known-answer set. Also fetches web pages as markdown with the same check (POST /fetch-check, $0.005 per fetched URL).","capabilities":{"streaming":false,"pushNotifications":false},"protocolVersion":"0.3.0","documentationUrl":"https://prompt-injection-check.onrender.com/.well-known/x402","defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","text/plain"],"preferredTransport":"JSONRPC","additionalInterfaces":[{"url":"https://prompt-injection-check.onrender.com/mcp","transport":"MCP-streamable-http"},{"url":"https://prompt-injection-check.onrender.com/check","transport":"HTTP+x402"},{"url":"https://prompt-injection-check.onrender.com/fetch-check","transport":"HTTP+x402"}]},"status":"verified","publisher_domain":"prompt-injection-check.onrender.com","signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-25T01:47:59.309446+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Publisher Agent Card","source_url":"https://prompt-injection-check.onrender.com/.well-known/agent-card.json","last_check":{"checked_at":"2026-10-25T01:47:59.309446+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://prompt-injection-check.onrender.com/.well-known/agent-card.json"],"skills":[{"skill_id":"fetch_and_check","name":"Fetch web pages with a prompt-injection check (paid, x402)","description":"POST https://prompt-injection-check.onrender.com/fetch-check with {\"urls\": [\"https://...\"]} (1 to 10); returns clean markdown, verdict, spans and safe_markdown per URL. $0.005 per URL fetched; failed URLs free.","tags":["web","fetch","markdown","security","prompt-injection","x402"],"quality_warning":false},{"skill_id":"selftest","name":"Free self-test","description":"GET https://prompt-injection-check.onrender.com/selftest replays known-answer set v1.2 (24 cases) and returns score and sha256.","tags":["verification","free"],"quality_warning":false},{"skill_id":"check_prompt_injection","name":"Prompt-injection check (paid, x402)","description":"POST https://prompt-injection-check.onrender.com/check with {\"texts\": [...], \"urls\": [...]}; 402 quotes $0.005 per item, max 20 per call.","tags":["security","prompt-injection","x402","guardrail","agents"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":2,"passed":2},"recent_checks":[{"card_url":"https://prompt-injection-check.onrender.com/.well-known/agent-card.json","checked_at":"2026-10-25T01:47:59.309446+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://prompt-injection-check.onrender.com/.well-known/agent-card.json","checked_at":"2026-10-24T23:47:46.594477+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-25T01:47:59.309446+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-24T23:47:46.594477+00:00","endpoint":"https://prompt-injection-check.onrender.com/a2a","protocol_binding":"JSONRPC","protocol_version":"0.3.0","state":"jsonrpc_no_task_lookup","http_status":200,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A","request_diagnostics":{"requests":[{"path":"/a2a","allow":[],"method":"POST","status":200,"version_header":"0.3","protocol_method":"tasks/get","redirect_followed":false},{"path":"/a2a","allow":[],"method":"POST","status":200,"version_header":"1.0","protocol_method":"GetTask","redirect_followed":false}],"capture_version":1}},"declared_primary_endpoint":"https://prompt-injection-check.onrender.com/a2a","selected_connection_interface":{"url":"https://prompt-injection-check.onrender.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"0.3.0"},"protocol_interface_checks":[{"endpoint":"https://prompt-injection-check.onrender.com/a2a","protocol_binding":"JSONRPC","protocol_version":"0.3.0","selected":true,"state":"jsonrpc_no_task_lookup","checked_at":"2026-10-24T23:47:46.594477+00:00","http_status":200,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A","binding_recorded":true}],"connection_selection_note":"The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.","x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://prompt-injection-check.onrender.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-25T01:47:59.309446+00:00","latest_card_check":{"checked_at":"2026-10-25T01:47:59.309446+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-25T01:47:59.309446+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-25T01:47:59.309446+00:00","endpoint_tls_reachable":true,"protocol_check_state":"jsonrpc_no_task_lookup","protocol_checked_at":"2026-10-24T23:47:46.594477+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null},"synthetic_capability_tests":{"agent_id":379047,"status":"not_tested","reason_code":"not_yet_tested","consent_status":"not_confirmed","latest_observation_status":null,"last_checked_at":null,"fixture_version":"1","reference_demonstration":false,"scope":"A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.","methodology_url":"https://localmark.ai/capability-tests","history":[]},"repair_links":{"agent_repair_url":"https://localmark.ai/agents/379047/repair","publisher_report_url":"https://localmark.ai/publishers/prompt-injection-check.onrender.com/repair","diagnostics_json_url":"https://localmark.ai/publishers/prompt-injection-check.onrender.com/repair/diagnostics.json","diagnostics_csv_url":"https://localmark.ai/publishers/prompt-injection-check.onrender.com/repair/diagnostics.csv"},"_localmark":{"contribution":{"optional":true,"directory_access":"free","operator_authorization_required":true,"affects_rankings":false,"message":"LocalMark is free. Optional contributions help fund ongoing checks.","support_url":"https://localmark.ai/support","metadata_url":"https://localmark.ai/api/v1/support/contributions"}}}