MARKET MONITOR / CATALOGUE Services 125,739 MCP listed 40,198 x402 85,608 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-28 · 3 sources
Task

Security

590 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.

Wellknown Inventory x402 REST

Paid /.well-known/* inventory probe - enumerates 30 standard + proposed well-known paths (security.txt RFC 9116 + openid-configuration + webfinger + nodeinfo + agents.txt + llms.txt + llms-full.txt + apple-app-site-assoc...

6xrkjcfa3yrzvefcpvanurzou4.srv.us AI Models & Inference checked 2026-10-28
0 USDC per call per call

CSP Report Test x402 REST

Paid CSP report-uri/report-to endpoint probe — extracts report-uri + report-to from CSP header + Reporting-Endpoints header lookup, then POSTs a synthetic csp-report payload to each declared endpoint to verify reachabili...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Header Policy Audit x402 REST

Paid deep HTTP header policy audit — 30+ headers across 12 groups: CSP (Content-Security-Policy + Report-Only) + HSTS (max-age + includeSubDomains) + COOP/COEP/CORP/Origin-Agent-Cluster + Permissions-Policy (feature list...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Agent Friendliness x402 REST

Paid composite AI-agent friendliness score — rolls up 9 AI-relevant discovery surfaces (llms.txt + llms-full.txt + sitemap.xml + RSS/Atom + robots.txt AI-bot allow-rate + openapi.json + webmanifest + .well-known/agents.t...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Js Framework Detector x402 REST

Paid JavaScript framework + build-tool fingerprint — 11 detection surfaces (generator meta + data-* attrs + __NEXT_DATA__/__NUXT__/__remixContext + SPA root mount points + build-output paths /_next/_nuxt/_astro/build + J...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Error Page Fingerprint x402 REST

Paid error-response fingerprint + leakiness audit — 12-probe matrix (api-404/admin-path/.env/phpmyadmin/debug/wp-admin/graphql-invalid/internal-api/bad-json/wrong-accept/long-path/spoofed-loopback), captures per-probe st...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Dev & Code checked 2026-10-28
0 USDC per call per call

Auth Scheme Discovery x402 REST

Paid auth-method discovery — WWW-Authenticate header + RFC 8414 oauth-authorization-server + OpenID Connect discovery + JWKS + RFC 8705 oauth-protected-resource + login-form introspection, surfaces bearer/basic/oauth2/oi...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Redirect Security x402 REST

Paid redirect-chain security audit — full chain traversal (max 10 hops), open-redirect detection (//, @, javascript:), cross-domain count, https-only check, meta-refresh detection, redirect-security_score A-F grade via x...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

HTTP3 Alt Svc x402 REST

Paid HTTP/3 + Alt-Svc endpoint-discovery audit — parses RFC 7838 Alt-Svc header for h3/h3-29 protocol advertisement, captures port + host + max-age + persistent flag, reports advertised_h3, advertised_h3_port, advertised...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Sourcemap Exposure x402 REST

Paid JavaScript sourcemap exposure audit — fetches every external <script src> + probes inline-script //# sourceMappingURL= references + tries each .map URL via HEAD to surface public source-leak risk, sourcemaps_referen...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Cdn Detector x402 REST

Paid CDN-edge fingerprint detector — 24-vendor catalog (Cloudflare/CloudFront/Fastly/Akamai/Vercel/Netlify/Google Cloud CDN/Azure Front Door/StackPath/BunnyCDN/KeyCDN/Cloudflare Workers/F5/WordPress VIP/Rackspace/Edgecas...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Infrastructure checked 2026-10-28
0 USDC per call per call

TLS Handshake Probe x402 REST

Paid deep TLS handshake probe — TLS version (1.0/1.1/1.2/1.3) + cipher suite classification (aead-strong/strong-fs/weak/legacy-fs) + ALPN negotiation (h2/http1.1) + Alt-Svc h3 HTTP/3 endpoint discovery + key_exchange gro...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Cache Freshness x402 REST

Paid cache-freshness strategy audit — probes HTML page + /favicon.ico + /robots.txt + /sitemap.xml + first stylesheet URL + first script URL; for each captures Cache-Control directives + ETag + Last-Modified + Age + Vary...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Forms Check x402 REST

Paid form security + accessibility audit — per-form action analysis (empty/#/javascript:/data:/mixed-content http-on-https), method (GET with passwords = credential-in-URL), enctype (text/plain CRLF injection), target=_b...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

CSP Deep x402 REST

Paid deep Content-Security-Policy analyzer — parses ALL 4 CSP delivery mechanisms (header + meta + report-only variants), classifies each source value (wildcard/scheme/host/nonce/hash/unsafe-inline/unsafe-eval/strict-dyn...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

HTTP Method Policy x402 REST

Paid HTTP-method policy + dangerous-method exposure audit — OPTIONS Allow/DAV/ACAO/ACAM + TRACE echo-back + CONNECT + PUT/DELETE/PATCH write exposure + 4 method-override header sniffing (X-HTTP-Method-Override/X-Method-O...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Cookie Samesite x402 REST

Paid per-cookie security-flags deep audit — parses every Set-Cookie individually for SameSite (Strict/Lax/None/missing/Lax-by-default-heuristic) + Secure + HttpOnly + Path + Domain (broad-domain detection) + Max-Age + Ex...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Waf Detector x402 REST

Paid WAF/IDS/CDN-edge fingerprint detector — 28-vendor catalog (Cloudflare/Fastly/Akamai/Imperva/Sucuri/CloudFront/ALB/Azure-FrontDoor/Vercel/Netlify/StackPath/KeyCDN/BunnyCDN/F5-BIGIP/Barracuda/Citrix-NetScaler/ModSecur...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Infrastructure checked 2026-10-28
0 USDC per call per call

Security TXT Audit x402 REST

Paid security.txt RFC 9116 deep audit — path discovery tries /.well-known/security.txt then /security.txt, parses all fields with line-continuation support, strict Contact format validation (mailto: + https://), strict E...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Redirect Trace x402 REST

Paid deep HTTP redirect chain analyzer — per-hop latency_ms + headers (server/content-type/cache-control/x-cache/cf-ray/cf-ipcountry/vary/set-cookie count/hsts) + status sub-type classification (301/302/303/307/308) + cr...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Markdown Extract x402 REST

Paid main-content markdown extractor for RAG ingestion — strips noise (script/style/nav/aside/header/footer/ads/comments), picks <main>/<article>/content div, converts headings/paragraphs/lists/code/links/images/tables t...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Exposure Surface x402 REST

Paid security exposure-surface audit — HSTS preload-list membership via hstspreload.org API + HSTS header detection, RFC 9116 security.txt presence+format-validity (Contact/Expires/Canonical/Preferred-Languages), 18-path...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Security checked 2026-10-28
0 USDC per call per call

Server Headers x402 REST

Paid server/fingerprint/debug/cache response-header audit — Server + X-Powered-By info-leak detection, framework-version-disclosed (X-AspNet-Version/X-Generator/X-Drupal-Cache), debug-headers-in-prod (X-Debug/X-Runtime),...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

Cookie Banner Shade x402 REST

Paid cookie banner UX + dark-pattern audit — 19-CMP fingerprint + Accept/Reject parity + Manage-preferences link + pre-ticked toggles + cookie-wall + Reject click-depth + CCPA Do-Not-Sell + granular categories, cookie_ba...

6xrkjcfa3yrzvefcpvanurzou4.srv.us Crypto & Payments checked 2026-10-28
0 USDC per call per call

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