# Validate Codex Skill Metadata

> Validate Codex Skill Metadata is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-15).

Validates a JSON document against the pinned SchemaStore definition for Codex Skill Metadata, reporting JSON pointer paths and rule violations.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-schema-codex-skill-metadata-35c89150-validate?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/validate-codex-skill-metadata-785f2f95
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_V9DYAyT459jbzyNw5_JHw

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability validate-codex-skill-metadata-785f2f95 -d '<json body>'
```

Example prompt: Can you validate this Codex Skill Metadata JSON document for me and tell me which fields are missing or violating the schema rules? Here's the document: {"name": "my-skill", "version": "1.0"}

## When to prefer this

Choose this endpoint when you specifically need to validate a JSON document against the Codex Skill Metadata schema, particularly when you want precise JSON pointer references to errors and rule violations. Prefer this over generic JSON validators when working with Codex skill definitions that must conform to the SchemaStore specification.

## Known failure modes

- Document exceeds 100 KB size limit — request rejected
- JSON nesting depth exceeds 32 levels — rejected
- Malformed JSON submitted (not parseable) — error returned
- Network timeout or service unavailability
- Schema definition temporarily unavailable from pinned SchemaStore source

## How this service works

Validate Codex Skill Metadata: Validate a JSON document for Codex Skill Metadata. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

## Output

Returns a structured report indicating whether the submitted JSON document is valid against the pinned Codex Skill Metadata SchemaStore definition, listing any JSON pointer paths and the specific rule violations found at each location.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "document": {
   "default": {},
   "description": "JSON value to validate; maximum 100 KB, 32 levels."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/validate-codex-skill-metadata-785f2f95/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)