1,159 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 heuristic email spam score for AI-agent triage (cycle 123, x402 $0.001) - accepts POST text/plain raw email source (RFC822 headers+body) or GET ?header=<url-encoded> or GET ?url=<.eml URL>; parses headers+body and c...
Paid Idempotency-Key header support probe (cycle 118) — fetches target URL, scans response headers for Idempotency-Replayed + X-Request-ID signals, probes 6 OpenAPI candidate paths for explicit Idempotency-Key parameter...
Paid Cache-Control header granularity audit (cycle 119, x402 $0.001) - fetches target URL, parses every Cache-Control directive (max-age / s-maxage / stale-while-revalidate / stale-if-error / public / private / no-cache...
Paid composite AI-agent onboardability summary (cycle 120, x402 $0.001) - single-call composite that answers 'could an AI agent onboard to use this URL as a paid tool?' - fetches target URL + probes /openapi.json + /.wel...
Paid cookie name-prefix (__Secure-/__Host-) policy audit (cycle 115) — fetches page Set-Cookie headers, for each cookie: extracts Secure/Path/Domain/HttpOnly/SameSite attributes, flags __Secure- prefix and checks Secure...
Paid dev-portal / VCS-dotfile / debug-surface exposure probe (cycle 127, x402 $0.001) - probes 39 conventional dev/debug/VCS-leak paths (/swagger-ui.html + /graphiql + /actuator + /.git/HEAD + /.env + /server-status + /p...
Paid GraphQL introspection exposure audit (cycle 129, x402 $0.001) - accepts host OR url param, probes up to 6 conventional GraphQL endpoints (/graphql, /api/graphql, /v1/graphql, /query), sends canonical IntrospectionQu...
Paid Permissions-Policy + Feature-Policy header audit (cycle 124, x402 $0.001) - fetches target URL + iterates ALL Permissions-Policy (modern) AND Feature-Policy (legacy) headers, parses 17 tracked features (camera/micro...
Paid BGP route-leak + prefix-hijack exposure probe (cycle 126, x402 $0.001) - resolves target host via Cloudflare DoH, queries RIPEstat prefix-overview for each IP, classifies announcing ASNs + holders, computes consensu...
Paid CSP inline-fidelity validator (cycle 130, x402 $0.001) - fetches target URL, parses CSP, extracts every inline <script>/<style> block + event handler, computes sha256 of each, reports per-block {hash_in_csp, nonce_i...
Paid HTTP request-smuggling CL.TE/TE.CL/TE.TE tolerance evidence probe (cycle 129, x402 $0.001) - opens low-level socket (bypasses urllib header normalization) to target host, sends 6 PortSwigger-style evidence requests...
Paid cookie partition consistency audit (cycle 130, x402 $0.001) - probes 6 conventional paths (apex/login/signup/api/cart/account), parses Set-Cookie from each, groups by cookie name across responses, flags inconsistenc...
Paid rate-limit header surface + live burst probe (cycle 134, x402 $0.001) - fetches target 4x in a burst, parses 7 known rate-limit header families (IETF RFC 9239 draft, X-RateLimit-*, Twitter, Stripe, Shopify, GitHub,...
Paid SSL-pinning / HPKP policy probe (x402 $0.001) - GET ?domain=<DOMAIN> checks for deprecated HPKP (RFC 7469) headers, CSP public-key-pins directives and pinning-related security headers, returning a pinning posture gr...
Paid DANE/TLSA + SMTP STARTTLS active probe (cycle 137, x402 $0.001) - resolves MX for domain, looks up _25._tcp.<mxhost> + _587._tcp.<mxhost> + _465._tcp.<mxhost> TLSA records (RFC 6698/7672), opens SMTP socket to MX:25...
Paid WebAssembly CSP + wasm-unsafe-eval coverage analyzer (cycle 137, x402 $0.001) - fetches target URL, scans for WASM indicators (inline WebAssembly.instantiate/compile + .wasm file references + <link rel=preload as=fe...
Paid HTTP/1.1 hop-by-hop header correctness probe (cycle 141, x402 $0.001) - opens raw TCP to host:443 + :80, sends 3 sequential GET requests with explicit Connection: keep-alive, X-Hop-Marker-A1b2c3, X-Internal-Trace-X9...
Paid Content Language detector (cycle 139, x402 $0.001) - fetches URL + extracts language declarations across html lang attribute + HTTP Content-Language header + og:locale/og:locale:alternate + hreflang link tags + meta...
Paid CDN cache-key collision probe (cycle 139, x402 $0.001) - actively fetches target with 4 probe pairs (Accept-Language en-vs-es / Accept-Encoding gzip-vs-br / Cookie session vs no-session / User-Agent desktop-vs-mobil...
Paid Content-Encoding integrity + compression-bomb detector (cycle 141, x402 $0.001) - fetches URL 3x: no Accept-Encoding baseline + Accept-Encoding: gzip + Accept-Encoding: br, gzip; records raw bytes + Content-Length +...
Paid web-cache-poisoning + deception active probe (cycle 145, x402 $0.001) - 5 unkeyed-header probes (X-Forwarded-Host + X-Original-URL + X-Forwarded-Prefix + X-Host + X-Forwarded-Server + X-Forwarded-For + X-Forwarded-P...
Paid deep CORS preflight OPTIONS audit (cycle 145, x402 $0.001) - 6 sequenced CORS probes (baseline GET + simple-Origin preflight + post+contenttype+auth preflight + multi-header preflight x-custom-1/x-custom-2 + credent...
Paid Set-Cookie × shared-cache disclosure scanner (cycle 148, x402 $0.001) — probes 8 sensitive paths on target origin (/login + /api/me + /api/session + /account + /profile + /dashboard + /me + /api/user, + optional ext...
Paid security-header mutation test (cycle 143, x402 $0.001) - fetches target URL 5x with deliberately different fingerprint headers (Chrome desktop + Firefox + Mobile Safari + python-requests bot + baseline); compares th...