# Clinical Trial Matcher MCP

> Clinical Trial Matcher MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-12).

Matches patients or researchers to relevant clinical trials based on input criteria such as condition, demographics, or eligibility parameters

## Facts

- Endpoint: POST https://api.m2mcent.com/clinical-trial-matcher-mcp/api/process?utm_source=zero.xyz
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/clinical-trial-matcher-mcp-0d3c6766
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AvYdBdIjqWTYoz6kUSdkz

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 clinical-trial-matcher-mcp-0d3c6766 -d '<json body>'
```

Example prompt: Can you find clinical trials that a 52-year-old female with stage 2 breast cancer might be eligible for, focusing on trials that are currently enrolling?

## When to prefer this

Choose this endpoint when you need to match a patient profile, medical condition, or research query to active or enrolling clinical trials. It is particularly useful for healthcare agents, patient advocacy tools, or clinical research assistants that need real-time trial discovery without building their own trial database integration.

## Known failure modes

- Vague or ambiguous input string may return low-quality or no matches
- No trials found matching the given criteria returns an empty result set
- Malformed input schema (non-string 'data' field) may return a 400 error
- Service unavailability or upstream data source outage may cause 5xx errors
- Payment failure via x402 protocol may prevent access to the endpoint

## How this service works

The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.

## Output

Returns a structured response containing matched clinical trials relevant to the provided criteria, likely including trial identifiers, titles, eligibility conditions, phase, enrollment status, and potentially sponsor or location information.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/clinical-trial-matcher-mcp-0d3c6766/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.m2mcent.com](https://www.zero.xyz/host/api.m2mcent.com/llms.txt)