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A2A/MCP/x402 Deep Protocol & Security Audit
A2A/MCP/x402 Deep Protocol & Security Audit is a paid API for AI agents from assay.agentdiet.dev, paid per call via MPP, $0.005/call, status unknown (last checked 2026-10-23).
Performs a deep protocol conformance and security audit of a target A2A, MCP, or x402 endpoint, returning a grade and score.
Price / call$0.005
Success—
StatusUnknown
How this service works
Deep protocol & security audit of an A2A/MCP/x402 endpoint (Live x402 v2, IETF MPP & MCP endpoint at https://assay.agentdiet.dev)
Output
Returns a JSON object with a status string, a letter-based security grade (e.g. A, B, C), an integer score, the audited target URL, and pagination fields (has_more, next_cursor) for fetching additional audit records.
Example use cases
Pre-deployment endpoint security check
“Before I go live with my new MCP endpoint at https://my-agent.example.com, can you run a deep protocol audit on it and give me its security grade?”
Third-party agent vetting
“I'm about to integrate with an A2A agent at https://partner-agent.io — can you audit it for protocol conformance and security issues and tell me if it passes?”
Ongoing x402 endpoint compliance review
“Run a full deep audit on https://x402broker.com and show me the results including any additional pages of findings.”
Technical details
Endpoint
POSThttps://assay.agentdiet.dev/v1/audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a comprehensive, deep protocol and security audit of an A2A, MCP, or x402 endpoint — going beyond a quick pre-flight check to provide a graded score with detailed findings. Prefer this over lighter certification endpoints when evaluating third-party integrations, performing due diligence before production deployment, or when paginated audit results are needed.
Side effects
- Invalid or unreachable target URL returns an error status
- Malformed target parameter results in a 4xx validation error
- Target endpoint times out during audit, returning a failed status
- Pagination cursor is invalid or expired, causing a cursor error
- Rate limiting or payment failure returns a 402 or 429 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| targetrequired | string |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| graderequired | string | |
| scorerequired | integer | |
| statusrequired | string | |
| target | string | |
| has_more | boolean | |
| next_cursor | string |
Reviews
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