{"uid":"cap_6mPVv9gfrI9KmSQFmifgX","slug":"skill-audit-api-http-security-headers-analyzer-afd62328","name":"Skill Audit API – HTTP Security Headers Analyzer","description":"Fetch a URL and grade its HTTP security headers (HSTS, CSP, X-Frame-Options, etc.)","url":"https://eltociear-skill-audit.hf.space/headers","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"URL to inspect"}}},"responseSchema":{"type":"json","example":{"url":"https://example.com","grade":"B","score":70,"status":200,"headers":{"strict-transport-security":"max-age=63072000"},"missing":["content-security-policy"],"present":["strict-transport-security"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZWIv6qoozIFSymkGZWeEP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a URL's HTTP security headers, scoring and grading the response for missing or present security headers like CSP and HSTS.","exampleAgentPrompt":"Can you audit the security headers for https://example.com and tell me what grade it gets, which headers are present, and which critical ones like content-security-policy are missing?","exampleUseCases":[{"title":"Vetting a third-party AI plugin before use","prompt":"Before I add this external plugin at https://someplugin.example.com to my agent setup, can you check its HTTP security headers and tell me its grade and any missing protections?"},{"title":"Security compliance check for a production API","prompt":"Run a security header audit on https://api.mycompany.com and tell me the score, grade, and list every header that's missing so I know what to fix before our launch."},{"title":"Comparing header posture across two domains","prompt":"Audit the security headers on https://vendor-a.com for me — I want to see the grade and score so I can decide if it meets our security baseline."}],"resultDescription":"Returns a JSON object with the audited URL, a letter grade (e.g. 'B'), a numeric score (0–100), the HTTP status code, a map of present security headers and their values, a list of missing security headers (e.g. 'content-security-policy'), and a list of present ones (e.g. 'strict-transport-security').","failureModes":["Invalid or unreachable URL returns an error or non-200 status","Timeout if the target URL is slow to respond","Missing input URL results in a 400-level validation error","Payment failure via x402 micropayment blocks the request","Target URL behind authentication may return incomplete header data"],"whenToPreferThis":"Choose this endpoint when you need a quick, scored, graded audit of HTTP security headers for any public URL — especially when vetting AI agent skills, plugins, or third-party API endpoints for security posture before integration. It is purpose-built for AI agent ecosystems and provides a structured, machine-readable result ideal for automated decision-making pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:43:32.976Z","isFirstParty":false}