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agentreadiness.halowerk.com – llms.txt Substantive Decision
x402
agentreadiness.halowerk.com – llms.txt Substantive Decision 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).
Fetches live public evidence from a target URL and evaluates whether that site's llms.txt file meets substantive content quality criteria, returning a structured verdict with evidence source and recommended action.
Price / call$0.001
Success—
StatusUnknown
How this service works
Substantive llms.txt 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.
Output
A structured response containing: the observed llms.txt content or absence thereof, the quality threshold applied, a pass/fail verdict, the exact URL where evidence was sourced, known limitations of the passive check, and a recommended mode-specific action. No authentication, login, or form submission is performed.
Example use cases
Pre-launch AI readiness gate
“Before we publish, can you check if the llms.txt on mybrand.com is substantive enough to pass agent-readiness standards? I want the verdict, what evidence you used, and what we need to fix.”
Competitor llms.txt benchmarking
“I want to compare whether openai.com's llms.txt is considered substantive — give me the observation, the threshold it's judged against, and the recommended action.”
Continuous quality monitoring
“Run a substantive quality check on the llms.txt at docs.anthropic.com and compare it against the baseline snapshot I captured last week — tell me what changed and whether it still passes.”
Technical details
Endpoint
POSThttps://agentreadiness.halowerk.com/v1/llms-substantive-decision?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a passive, read-only quality verdict specifically about whether a site's llms.txt content is substantive — not merely whether the file exists. Prefer this over the availability decision endpoint when you already know llms.txt is present and want to evaluate its content depth. Prefer this over generic crawler audits when the focus is llms.txt quality compliance specifically.
Side effects
- Target URL is unreachable or returns non-200 status — endpoint may return an observation of unavailability with a fail verdict
- llms.txt file does not exist at the target — verdict will reflect absence rather than a quality evaluation
- Target redirects or blocks crawler user-agents — evidence may be incomplete, noted in limitations field
- Malformed or non-HTTPS URL — input validation error returned
- Baseline object does not match target — comparison may be skipped or flagged as incompatible
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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