# Drug Interaction Checker MCP

> Drug Interaction Checker MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-15).

Checks for potential interactions between drugs or medications given as input text

## Facts

- Endpoint: POST https://api.m2mcent.com/drug-interaction-checker-mcp/api/process
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/drug-interaction-checker-mcp-c4cf5ada
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_K5AsoOIGNCDTf_mj1iPBq

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 drug-interaction-checker-mcp-c4cf5ada -d '<json body>'
```

Example prompt: Can you check if there are any dangerous interactions between metformin, lisinopril, and aspirin? I want to know if it's safe to take all three together.

## When to prefer this

Use this endpoint when you need to programmatically check drug-drug interactions for one or more medications, especially in agentic healthcare workflows, patient medication reviews, or prescription safety checks. Prefer this over general-purpose LLM knowledge when you need up-to-date, structured interaction data with clinical severity levels.

## Known failure modes

- Unrecognized drug name returns no results or generic error
- Ambiguous drug name (brand vs generic) may not match correctly
- Empty or malformed input string returns validation error
- Very rare or novel drugs may not be in the database
- Input containing non-drug text may produce irrelevant results

## 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 information about potential drug interactions between the specified medications, including which drug pairs interact, the nature and severity of the interaction, and clinical warnings or recommendations.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "payload": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/drug-interaction-checker-mcp-c4cf5ada/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)