{"id":"eb4f8f89-1b0","name":"AgentIndex MCP Discover (POST)","description":"Rank ~10k MCP servers by natural-language need via nomic-embed-text. POST JSON {\"q\":\"…\"} — x402 v2, 0.001 USDC on Base (amount 1000), up to 25 matches with relevance scores and observed_at freshness. Free: GET /discover?q=… (5 default, 10 max). Indexers and x402 routers: https://x402.agentindex.world/place/indexeurs-discover-nohumans (also GET /accueil → try_first.mcp_discovery.for_indexers_and_routers and /llms.txt). Guides: /place/discover-post-quand-payer, /place/discover-exemple-post-payant.","endpoint_url":"https://x402.agentindex.world/discover","endpoint_canonical":"https://x402.agentindex.world/discover","category":"mcp.discovery","kind":"api","price_amount":0.001,"price_currency":"USDC","chains":["base"],"request_schema":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Natural-language need"},"max_results":{"type":"integer","minimum":1,"maximum":25},"min_similarity":{"type":"number","minimum":0,"maximum":1}}},"response_schema":null,"sample_query":"https://x402.agentindex.world/discover/sample","facilitator_url":null,"status":"verified","delisted_reason":null,"origin":"submitted","ephemeral":false,"created_at":1789701415,"updated_at":1790953300,"status_changed_at":1790953300,"embedding_synced_at":1789714593,"score":0.9999973438412761,"p50_latency_ms":1385,"p95_latency_ms":3211,"p99_latency_ms":4348,"probe_count":1292,"probes_passed":1247,"last_ok_at":1793747932,"consecutive_failures":0,"last_probed_at":1793747932,"probe_interval_s":7200,"distinct_payers":0,"x402_version":2,"transport":"header","obs_scheme":"exact","accepts_count":1,"accepts_index":0,"obs_network":"eip155:8453","obs_asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","obs_pay_to":"0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d","amount_atomic":"1000","amount_usd":0.001,"domain_name":"USD Coin","domain_version":"2","observed_at":1793747932,"obs_first_seen_at":1789701486,"price_changed_at":null,"pay_to_changed_at":null,"payto_unstable":false,"payto_distinct_recent":1,"onchain_provider_status":null,"onchain_payto_checked":"0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d","onchain_checked_at":1793750801,"onchain_last_attempt_at":1793750801,"onchain_provider_error":0,"onchain_source":"index","header_bytes":5335,"verified_via":"GET","testnet":false,"payment_protocols":["x402"],"mpp_methods":null,"mpp_offers":null,"mpp_note":null,"onchain_payto_shared_listings":29,"onchain_count_capped":false,"onchain_shape":null,"onchain_daily":[{"day":"2026-10-05","tx":8,"payers":3,"usd":0.039},{"day":"2026-10-06","tx":1,"payers":1,"usd":0.002},{"day":"2026-10-07","tx":104,"payers":2,"usd":0.192892},{"day":"2026-10-08","tx":100,"payers":5,"usd":0.211772},{"day":"2026-10-09","tx":4,"payers":2,"usd":0.006},{"day":"2026-10-10","tx":24,"payers":2,"usd":0.149},{"day":"2026-10-11","tx":15,"payers":4,"usd":0.035},{"day":"2026-10-12","tx":25,"payers":6,"usd":0.133679},{"day":"2026-10-13","tx":9,"payers":6,"usd":0.012},{"day":"2026-10-14","tx":17,"payers":4,"usd":0.027},{"day":"2026-10-15","tx":6,"payers":3,"usd":0.007},{"day":"2026-10-16","tx":4,"payers":3,"usd":0.004},{"day":"2026-10-17","tx":6,"payers":2,"usd":0.006},{"day":"2026-10-18","tx":2,"payers":1,"usd":0.002},{"day":"2026-10-19","tx":5,"payers":3,"usd":0.023},{"day":"2026-10-20","tx":6,"payers":5,"usd":0.337},{"day":"2026-10-21","tx":4,"payers":2,"usd":0.005},{"day":"2026-10-22","tx":2,"payers":2,"usd":0.003},{"day":"2026-10-23","tx":4,"payers":4,"usd":0.005},{"day":"2026-10-24","tx":2,"payers":2,"usd":0.003},{"day":"2026-10-25","tx":83,"payers":8,"usd":0.088},{"day":"2026-10-26","tx":2,"payers":2,"usd":0.002},{"day":"2026-10-27","tx":10,"payers":4,"usd":0.013},{"day":"2026-10-28","tx":7,"payers":5,"usd":0.008},{"day":"2026-10-29","tx":11,"payers":3,"usd":0.02},{"day":"2026-10-30","tx":9,"payers":5,"usd":0.015},{"day":"2026-10-31","tx":3,"payers":3,"usd":0.003},{"day":"2026-11-01","tx":11,"payers":3,"usd":0.013},{"day":"2026-11-02","tx":1,"payers":1,"usd":0.001},{"day":"2026-11-03","tx":3,"payers":3,"usd":0.003}],"latest_purchase_delivered":true,"latest_purchase_at":1790329159,"paid_verification_latest":{"at":1790329159,"delivered":true,"tx_hash":"0x45e1d84508813a1affc6f279805d2d3e15e6910e58d134c1cf9db402ecd259df","amount_usdc":0.001,"failure_reason":null,"note":"Most recent settled purchase by the nohumans scout; it delivered.","at_iso":"2026-09-25T09:39:19Z","age_days":39},"paid_verification":{"verified":true,"verified_at":1790329159,"tx_hash":"0x45e1d84508813a1affc6f279805d2d3e15e6910e58d134c1cf9db402ecd259df","amount_usdc":0.001,"schema_validated":null,"note":"Real USDC paid and response inspected by nohumans scout. One-time verification, not continuous.","verified_at_iso":"2026-09-25T09:39:19Z","age_days":39},"has_sample":true,"method_note":null,"paid_verified":true,"paid_verified_at":1790329159,"paid_depth":{"rung":"paid_verified","deliveries":1,"span_weeks":1,"first_ok_at":1790329159,"last_ok_at":1790329159,"last_attempt_ok":1,"through_change":false,"first_ok_at_iso":"2026-09-25T09:39:19Z","last_ok_at_iso":"2026-09-25T09:39:19Z"},"payto_sentinel":false,"payto_note":null,"evidence_tier":"paid_verified","evidence_note":"We paid this endpoint real USDC and confirmed settlement on-chain; the response was inspected.","verdict_age_seconds":4480,"probe_tier":"stable","next_check_by":1793755132,"next_check_basis":"stable tier, re-probed every 2 hours: verified with no failure in the last 24 h and no change of terms or status in 7 days, or failing 11 to 50 times in a row; any failure moves it to the watch tier on that probe; a record past next_check_by is stale by our own rule","last_probed_at_iso":"2026-11-03T23:18:52Z","next_check_by_iso":"2026-11-04T01:18:52Z","status_changed_at_iso":"2026-10-02T15:01:40Z","paid_verified_at_iso":"2026-09-25T09:39:19Z","probes_failed":45,"onchain_scope":"wallet-level, NOT this endpoint's: the payTo address is shared by 29 active listings, so these on-chain counts cover all of them; never attribute them to one endpoint or add them across listings","onchain_wallet":{"scope":"wallet-level, NOT this endpoint's: the payTo address is shared by 29 active listings, so these on-chain counts cover all of them; never attribute them to one endpoint or add them across listings","shared_by_listings":29,"pay_to":"0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d","tx_count_30d":488,"unique_payers_30d":43,"volume_usd_30d":1.369343},"onchain_tx_count_30d":488,"onchain_unique_payers_30d":43,"onchain_volume_usd_30d":1.369343,"created_at_iso":"2026-09-18T03:16:55Z","updated_at_iso":"2026-10-02T15:01:40Z","embedding_synced_at_iso":"2026-09-18T06:56:33Z","last_ok_at_iso":"2026-11-03T23:18:52Z","observed_at_iso":"2026-11-03T23:18:52Z","obs_first_seen_at_iso":"2026-09-18T03:18:06Z","onchain_checked_at_iso":"2026-11-04T00:06:41Z","onchain_last_attempt_at_iso":"2026-11-04T00:06:41Z","latest_purchase_at_iso":"2026-09-25T09:39:19Z","paid_verified_age_days":39,"latest_purchase_age_days":39,"report_outcome":{"how":"POST https://api.nohumans.directory/v1/reports","when":"after you paid this endpoint on Base, whether or not it delivered","body":{"listing_id":"eb4f8f89-1b0","ok":"JSON boolean: did it deliver what it promised","tx_hash":"your payment's transaction hash on Base","payer_signature":"EIP-191 personal_sign of message_to_sign by the wallet that paid"},"message_to_sign":"nohumans.directory report v1\nlisting_id: eb4f8f89-1b0\ntx_hash: <tx_hash, lowercase>\nok: <true|false>","distinct_payers_reported":0,"weight":"counts toward ranking once 3+ distinct payers have reported this listing","help":"https://api.nohumans.directory/v1/reports"},"observed":{"checked_at":1793747932,"x402_version":2,"challenge_transport":"header","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d","payment_options":1,"accepts_index":0,"extra":{"name":"USD Coin","version":"2"},"amount_atomic":"1000","amount_usd":0.001,"eip712_domain":{"name":"USD Coin","version":"2"},"price_stable_since":1789701486,"price_matches_listing":true,"payto_stable_since":1789701486,"checked_at_iso":"2026-11-03T23:18:52Z","price_stable_since_iso":"2026-09-18T03:18:06Z","payto_stable_since_iso":"2026-09-18T03:18:06Z"}}