1,930 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Paid multi-formula readability analysis — 5 formulas (Flesch Reading Ease + Flesch-Kincaid Grade + Gunning Fog + Coleman-Liau + SMOG) computed from extracted main-content text, returns main_text_preview + word/sentence/s...
Paid Client Hints + Permissions-Policy probe (cycle 97) — captures Accept-CH (RFC 7231 §5.3.7) + Critical-CH (RFC 9981) request lines for Server Hints, parses Permissions-Policy header for feature gating intent; per-hint...
Paid OpenAPI/Swagger/AsyncAPI/GraphQL/Postman/JSON-Schema spec format + version detector (cycle 98) — probes 9 conventional spec paths (/openapi.json + /openapi.yaml + /swagger.json + /swagger.yaml + /.well-known/openapi...
Paid SVCB/HTTPSSVC (RFC 9460+9461) deep parser (cycle 170, x402 $0.001) - probes 11 conventional _<port>._<proto>.<domain> SVCB endpoints (_443._tcp + _443._tcp.www + _443._tcp.api + _80._tcp + _25._tcp + _587._tcp + _85...
Paid RPKI Route Origin Validation (ROV) auditor per RFC 6811 (cycle 172, x402 $0.001) - accepts ?prefix=<CIDR> [auto-resolves announcing ASN via RIPEstat prefix-overview] OR ?prefix=<CIDR>&asn=ASxxxx OR ?asn=ASxxxx; call...
Paid subdomain-takeover risk audit (cycle 100) — discovers subdomains via HackerTarget hostsearch, resolves CNAME chain (max 8 hops) via Cloudflare DoH, fingerprints 30+ known-vulnerable service providers (AWS S3, CloudF...
Paid JWKS (RFC 7517 + RFC 8414) JWK Set inspector (cycle 173, x402 $0.001) - accepts ?jwks_url=<URL> OR ?jwks=<JWK_SET_JSON> OR ?url=<PAGE> (auto-discovers jwks_uri via /.well-known/openid-configuration + /.well-known/oa...
Paid DNS SRV (RFC 2782) record mapper + service-discovery auditor (cycle 174, x402 $0.001) - accepts ?domain=<DOMAIN> + ?service=<SVC> + ?proto=<tcp|udp|tls> OR shorthand ?q=<SVC>.<PROTO>.<DOMAIN>; actively probes Cloudf...
Paid x402 seller leaderboard / ranking auditor (cycle 173, x402 $0.001) - accepts ?url=<X402_CATALOG_URL> (defaults to our /.well-known/x402) + ?top=<N> (default 25, max 100); clusters all payable endpoints by payTo, com...
Paid META-API cost projector for THIS service (cycle 98) — given calls_per_day + route list (or "all") + period (daily|weekly|monthly), pulls the live x402 price catalog and projects aggregate_daily_cost_usd + aggregate_...
Paid MTA-STS (RFC 8461) policy+record cross-validator (cycle 174, x402 $0.001) - accepts ?domain=<DOMAIN>; actively probes _mta-sts.<domain> TXT (RFC 8461 SS3.1) via DoH + https://mta-sts.<domain>/.well-known/mta-sts.txt...
Paid AI-agent cost-trend analyzer + multi-target batch estimator (cycle 178, x402 $0.001) - accepts POST application/json {'targets':[{'url':...,'weight':..}, ...]} OR POST application/json {'urls':[...],'weighting':'equ...
Paid live QUIC (HTTP/3) handshake probe (cycle 101) — actively opens UDP/443 QUIC Initial packets to the resolved A/AAAA, tests 10 candidate versions (draft-29/30/31/32/33/34 + h3 + h3-Q050 + v2); parses server reply to...
Paid x402 SELLER probe (cycle 102) — fetches a target domain's /.well-known/x402 discovery doc, parses several schema variants (object.endpoints / object.items / object.routes / bare-list / line-delimited), returns raw_e...
Paid open-source LICENSE evolution / migration analyzer (cycle 179, x402 $0.001) - accepts GET ?repo=<ORG>/<REPO> (e.g. elasticsearch/elasticsearch) OR ?url=https://github.com/<...> OR ?package=<NPM-PKG-NAME> (resolves n...
Paid x402 multi-task pipeline planner / orchestrator (cycle 176, x402 $0.001) - accepts POST application/json {'tasks': ['task1', 'task2', ...]} OR GET ?tasks=task1|task2|task3 OR GET ?q=...; maps each task to its best-f...
Paid x402 task-to-route recommender (cycle 175, x402 $0.001) - accepts GET ?task=<TEXT> OR GET ?q=<TEXT> OR POST application/json {'task':...}; pulls our own /.well-known/x402 catalog (~249 endpoints), scores each endpoi...
Paid DNSSEC chain-of-trust validation (cycle 103) — fetches the zone's DNSKEY + RRSIG via Cloudflare DoH, walks the chain (zone DNSKEY ← DS at parent); for each step verifies the DS digest matches a computed DNSKEY diges...
Paid Model Context Protocol (MCP) server discovery (cycle 103) — fetches a target's MCP descriptor from 6 candidate paths (/.well-known/mcp.json, /mcp.json, /.well-known/model-context-protocol.json, /model-context-protoc...
Paid JSONPath extraction (cycle 108) — accepts GET ?url=<URL>&path=<JSONPATH> OR GET ?json=<urlencoded JSON>&path=<JSONPATH> OR POST application/json {url|json, path}; fetches the URL (or parses inline JSON) and applies...
Paid AI-agent tool-call card generator (cycle 105) — accepts GET ?url=<TARGET> OR POST application/json {url: <TARGET>}; probes /.well-known/x402 + 4 OpenAPI candidate paths + /llms.txt; aggregates into a single structur...
Paid AI discovery surface cross-validator (cycle 104) — fetches 4 surfaces (llms.txt + /.well-known/security.txt + openapi.json + agents.txt); extracts the contact claim from each (H1 title / RFC 9116 Contact / openapi.i...
Paid per-cookie IAB TCF v2.2 purpose classification (cycle 112) — fetches URL with HTTPCookieProcessor, captures every Set-Cookie, extracts inline document.cookie= writes, classifies each cookie by NAME heuristics (ga/_g...
Paid OpenAPI / Swagger 2.0 best-practices quality audit (cycle 114) — accepts GET ?url=<openapi.json URL> OR POST application/json with {spec:{...}} or {spec_text:"<YAML or JSON>"}; scores 12 quality dimensions: (a) Open...