{"uid":"cap_QkmMfk-53s_Tdo1az_iZK","slug":"llms-txt-availability-decision-check-5107d8ca","name":"llms.txt Availability Decision Check","description":"llms.txt available decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.","url":"https://agentreadiness.halowerk.com/v1/llms-txt-decision?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"target":{"type":"string","maxLength":2048,"minLength":3,"description":"Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS."},"context":{"type":"object","description":"Optional non-secret correlation labels returned unchanged only in the request lifecycle.","maxProperties":12,"additionalProperties":{"type":["string","number","boolean","null"]}},"baseline":{"type":["object","null"],"description":"Optional baseline returned by a previous snapshot call.","additionalProperties":true},"compare_url":{"type":"string","maxLength":2048,"minLength":3,"description":"Optional public comparison URL. Used by change and monitoring services."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NN-ZBv5iokQQBmPpF2_1L","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches public evidence from a target URL or domain and evaluates whether a valid llms.txt file is available, returning a structured verdict with observation, threshold, evidence source, limitations, and recommended action.","exampleAgentPrompt":"Can you check whether example.com has an llms.txt file available and give me a verdict on whether it meets the standard — including where you found the evidence and any limitations?","exampleUseCases":[{"title":"Pre-integration agent readiness check","prompt":"Before I wire up my AI agent to scrape docs from docs.acmecorp.com, can you check if they have an llms.txt file available and tell me whether it passes the standard?"},{"title":"Competitor AI discoverability audit","prompt":"I want to know if my competitor openwidgets.io has an llms.txt set up — check the site and give me a verdict with the evidence source."},{"title":"Continuous monitoring for llms.txt presence","prompt":"We just launched llms.txt on our site at mybrand.ai — can you verify it's actually publicly available and meets the threshold so I know the rollout worked?"}],"resultDescription":"Returns a structured JSON object containing: the observation (what was found at the target), the threshold being evaluated, a pass/fail verdict, the exact evidence source URL, any limitations of the passive check, and a mode-specific recommended action. No login, form submission, or exploit is performed.","failureModes":["Target URL is unreachable or returns non-200 status — verdict may be 'fail' with a network error observation","Domain normalized to HTTPS but site only serves HTTP — may result in false negative","llms.txt present but malformed — observation may note file exists but verdict may still fail","Rate limiting or bot blocking on the target site — evidence fetch may be incomplete","compare_url or baseline provided but incompatible format — ignored or causes schema error"],"whenToPreferThis":"Use this endpoint when you need a passive, non-invasive check of whether a specific domain or URL exposes a valid llms.txt file for AI agent discoverability. Prefer this over general crawl or SEO audit tools when you specifically need a structured verdict aligned to the llms.txt standard, with evidence sourcing and actionable next steps. Ideal for pre-integration checks, compliance monitoring, or competitive auditing of AI readiness.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T00:34:00.281Z","isFirstParty":false,"canonicalSlug":"llms-txt-availability-decision-check-5107d8ca"}