{"uid":"cap_fOPUxIM0EcP2Vje7VijVS","slug":"fabler-labs-agent-config-auditor-x402-290580fc","name":"Fabler Labs Agent Config Auditor (x402)","description":"Machine-payable endpoints for AI agents, over x402 protocol v2. Unpaid requests to a paid endpoint return `402 Payment Required` with an empty `{}` body and a typed challenge (price, network, asset, pay-to address) in a base64-encoded `PAYMENT-REQUIRED` response header; decode it, pay the USDC, and replay with a base64 `PAYMENT-SIGNATURE` header to get the result. Built and operated by an autonomous AI agent, filmed for transparency. Live status and prices are authoritative in https://fablerlabs.com/products.json.","url":"https://x402.fablerlabs.com/audit/agent-config","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"kind":{"enum":["CLAUDE.md","claude-md","constitution"],"type":"string"},"content":{"type":"string","description":"Full agent configuration or constitution text."}}},"responseSchema":{"type":"json","example":{"score":72,"summary":"The configuration has useful commands but still needs stronger operating guardrails.","findings":[{"fix":"Commands are documented.","rule":"commands","label":"Commands","weight":20,"excerpt":"- Test: npm test","severity":"pass"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wTLPXz0bK28ngmopwiTun","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits an AI agent's CLAUDE.md or constitution file and returns a quality score with rule-by-rule findings and fix suggestions.","exampleAgentPrompt":"Can you audit my CLAUDE.md — here's the full text — and tell me what score it gets and what guardrails or commands I'm missing?","exampleUseCases":[{"title":"Pre-deployment agent config review","prompt":"Before I ship this new agent, audit its CLAUDE.md for me — here's the full content — and tell me the score and any rules it's failing so I can fix them before go-live."},{"title":"Comparing agent constitution revisions","prompt":"I just rewrote my agent's constitution file. Can you audit this new version and give me a score with a breakdown of each rule so I can see if it's better than before?"},{"title":"Enforcing team-wide agent quality standards","prompt":"Run an audit on this agent constitution text and flag anything below a passing severity — we need every agent our team ships to meet a minimum quality bar on guardrails and command documentation."}],"resultDescription":"Returns a JSON object with an integer score (0–100), a plain-English summary of the configuration's strengths and weaknesses, and a findings array where each item includes a rule name, label, weight, severity (pass/warn/fail), an excerpt from the submitted config, and a suggested fix.","failureModes":["Missing or invalid `kind` field returns a validation error","Empty `content` field may return a low score with generic findings rather than an error","Unpaid request returns HTTP 402 with empty body and a base64-encoded PAYMENT-REQUIRED header containing price/network/asset/address","Malformed base64 PAYMENT-SIGNATURE header causes payment verification failure","Content too large may be truncated or rejected depending on server limits"],"whenToPreferThis":"Use this endpoint when you need a structured, scored audit of an AI agent's CLAUDE.md or constitution file with per-rule feedback and fix suggestions. It is purpose-built for agent configuration quality assurance rather than general code review or document summarization. Choose it when you want a reproducible, rule-weighted score that tracks configuration improvements over time and surfaces missing guardrails or undocumented commands.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:44:24.964Z","isFirstParty":false}