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llms.txt Available Audit
x402
llms.txt Available Audit is a paid API for AI agents from agentreadiness.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-14).
Passively fetches public evidence from a target URL or domain and audits whether a valid llms.txt file is present and accessible, returning an observation, verdict, evidence source, limitations, and recommended action.
Price / call$0.001
Success—
StatusUnknown
How this service works
llms.txt available audit 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.
Output
Returns a structured audit result containing: the observation (what was found at the target), the evaluated criterion threshold, a pass/fail/inconclusive verdict, the exact evidence source URL, known limitations of the passive check, and a mode-specific recommended action. No authentication or active exploitation is performed.
Example use cases
Pre-launch AI readiness check
“Before we go live, can you check whether our site https://mybrand.com has a valid llms.txt file that AI agents can find, and tell me if we pass or fail?”
Competitor llms.txt benchmarking
“I want to know if our top competitor stripe.com has an llms.txt file available — run an audit and give me the verdict and evidence source.”
Automated site monitoring for llms.txt
“We set up llms.txt on our domain last week at https://acmecorp.io — can you verify it's still publicly accessible and return the current observation and any limitations?”
Technical details
Endpoint
POSThttps://agentreadiness.halowerk.com/v1/llms-txt-audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, passive, read-only check to determine whether a specific domain or URL hosts a publicly accessible llms.txt file. It is ideal for pre-launch audits, competitive benchmarking, or automated monitoring pipelines. Prefer it over manual inspection or full crawler solutions when you need a structured verdict with evidence provenance and actionable recommendations without any active interaction with the target site.
Side effects
- Target URL is unreachable or returns non-2xx status — audit may return inconclusive verdict
- Domain normalization fails if input is malformed — validation error returned
- llms.txt file exists but is behind authentication — passive check cannot access it, limitation noted in response
- Rate limits or network timeouts cause the fetch to fail — error response with retry guidance
- Baseline provided does not match expected schema — comparison may be skipped or produce partial results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| target | string | Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS. |
| context | object | Optional non-secret correlation labels returned unchanged only in the request lifecycle. |
| baseline | — | Optional baseline returned by a previous snapshot call. |
| compare_url | string | Optional public comparison URL. Used by change and monitoring services. |
Tags
x402
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