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OpenAPI Contract Audit + Safe Pytest Scaffold
x402
OpenAPI Contract Audit + Safe Pytest Scaffold is a paid API for AI agents from codex-rapid-patch-evidence.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-09-13).
Audits an OpenAPI 3.x specification document for contract issues and generates prioritized security findings, a quality score, a Markdown report, and a read-only pytest scaffold.
Price / call$0.12
Success—
StatusUnknown
How this service works
Audit one public OpenAPI 3.x JSON or YAML document and receive prioritized contract findings, a quality score, a Markdown handoff, and a safe read-only pytest scaffold.
Output
Returns a JSON object containing: a pass/review/fail verdict, prioritized findings list (each with severity, category, evidence, line number, and recommendation), overall risk score (0-100), counts by severity (low/medium/high/critical), coverage metrics (bytes, lines, rules evaluated), a SHA-256 hash of the audited content, a list of detected capabilities and external destinations, a Markdown report, and safety metadata confirming no code was executed during analysis.
Example use cases
API contract review before deployment
“Before I ship this new REST API, can you audit this OpenAPI 3.x JSON spec for contract issues and tell me what's high or critical severity? Give me a risk score and a Markdown report I can hand off to my team.”
AI skill security screening
“I've written an AI agent skill in Markdown and I want to make sure it doesn't have any dangerous patterns like dynamic code execution or unexpected network calls. Can you run a security audit on it and tell me the verdict?”
Generate safe pytest scaffold from spec
“I have an OpenAPI 3.x YAML document for my payments API and I need a read-only pytest scaffold generated from it so my QA team can start testing without any side effects. Can you produce that along with the coverage metrics?”
Technical details
Endpoint
POSThttps://codex-rapid-patch-evidence.vercel.app/api/skill-security-auditWhen to prefer
Choose this endpoint when you need static analysis of an OpenAPI 3.x contract specifically — it combines contract quality scoring, security finding prioritization, and pytest scaffold generation in a single call. Prefer it over generic linters when you need a handoff-ready Markdown report and a SHA-256 audit trail, or when auditing AI agent skill definitions for execution safety. Not suited for runtime API monitoring, Swagger 2.x documents, or dynamic penetration testing.
Side effects
- Malformed or invalid OpenAPI JSON/YAML causes parsing errors and no findings returned
- Input exceeds 100,000 character limit per field, resulting in truncation or rejection
- Non-OpenAPI 3.x documents (e.g. Swagger 2.x) may produce incomplete or inaccurate findings
- Missing required content fields result in empty audit with zero findings
- Network timeout if document processing takes too long
- Payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| files | — | Optional bounded supporting files as an array of {path, content} or an object keyed by path. |
| skill | string | AI skill Markdown or source text to audit statically. |
| content | string | Alias for skill. |
| skill_markdown | string | Alias for skill. |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"counts": {
"low": 0,
"high": 1,
"medium": 0,
"critical": 0
},
"safety": {
"codeExecuted": false,
"inputRetained": false,
"networkRequests": 0,
"staticAnalysisOnly": true
},
"product": "AI Agent Skill Security Audit",
"verdict": "REVIEW",
"coverage": {
"bytes": 1200,
"lines": 38,
"rulesEvaluated": 10
},
"findings": [
{
"code": "DYNAMIC_CODE_EXECUTION",
"line": 8,
"message": "Uses dynamic code execution or an unrestricted shell boundary.",
"category": "execution",
"evidence": "exec(userInput)",
"severity": "high",
"recommendation": "Use a fixed command allowlist and structured arguments; do not evaluate generated text as code."
}
],
"riskScore": 20,
"generatedAt": "2026-01-01T00:00:00.000Z",
"skillSha256": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
"capabilities": [
"dynamic execution"
],
"destinations": [],
"reportMarkdown": "# AI Agent Skill Security Audit\n\nVerdict: **REVIEW**"
}
}Tags
x402
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