# Faro MCP Detection Check

> Faro MCP Detection Check is a paid API for AI agents from byfaro.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-16).

Checks whether a website exposes MCP or WebMCP tooling that AI agents can call, returning a yes/no verdict plus detailed sub-checks and remediation hints.

## Facts

- Endpoint: POST https://byfaro.ai/agent/check/mcp
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/faro-mcp-detection-check-9be0ede4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7ivse-40YnNtiOVkG5MNc

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 faro-mcp-detection-check-9be0ede4 -d '<json body>'
```

Example prompt: Check if https://example.com exposes any MCP or WebMCP tooling that my AI agent could call — give me a yes/no and tell me what checks passed or failed.

## When to prefer this

Use this endpoint when you need the cheapest, fastest single-question answer about MCP/WebMCP support specifically — not a full site audit. It's ideal for filtering or vetting sites in bulk pipelines, or when you only care about agent-callable tooling and don't need the broader 47-check AI-readiness report. Choose this over the full audit when cost and speed matter and MCP compatibility is the only question.

## Known failure modes

- Invalid or unreachable URL returns an error or inconclusive result
- Site behind authentication or firewall may block the scan and return a false negative
- Slow-responding sites may time out before checks complete
- Newly deployed MCP endpoints may not yet be discoverable if cached
- Non-standard MCP configurations may not be detected by the checks

## How this service works

Single-signal check: does this website expose MCP / WebMCP tooling AI agents can call? Returns yes/no plus the underlying checks (MCP endpoint, WebMCP tools, agent skills) with fixes. Cheapest way to answer one integration question about a site.

## Output

A JSON response with a boolean yes/no verdict indicating MCP/WebMCP support, plus granular sub-check results covering MCP endpoint detection, WebMCP tools presence, and agent skills availability, along with actionable fix suggestions for any failing checks.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "description": "Absolute URL of the website to scan, e.g. https://example.com"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/faro-mcp-detection-check-9be0ede4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from byfaro.ai](https://www.zero.xyz/host/byfaro.ai/llms.txt)