# MCP Tool Poisoning Detection Endpoint

> MCP Tool Poisoning Detection Endpoint is a paid API for AI agents from 47620.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Detects MCP tool poisoning attempts by analyzing a target identifier via a pay-per-call Solana-settled API

## Facts

- Endpoint: GET https://47620.xyz/x/mcp-tool-poisoning/%7Btarget%7D?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mcp-tool-poisoning-detection-endpoint-385d6506
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NKN6XkE-eCGa8SuFgo4bJ

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 mcp-tool-poisoning-detection-endpoint-385d6506
```

Example prompt: Before I use this MCP tool called 'file-reader', can you run a poisoning check on it to make sure it hasn't been tampered with or injected with malicious instructions?

## When to prefer this

Use this endpoint when you need a lightweight, no-signup, pay-per-call check for MCP tool poisoning without committing to a subscription or API key. Best suited for agent pipelines that need on-demand, one-off tool integrity verification settled via USDC on Solana.

## Known failure modes

- Payment not received or insufficient USDC — returns 402 Payment Required
- Invalid or missing target parameter — may return error or empty result
- Target tool not resolvable or unreachable — detection cannot be performed
- Network timeout contacting the 47620.xyz gateway
- Solana network congestion delaying payment settlement

## How this service works

Non-custodial x402 payment gateway on Solana (1% on-chain fee) plus a pay-per-call Solana data API for agents: token price, account balances, tx lookup, trending DEX pairs, network health. No signup, no API key — pay USDC per call.

## Output

Returns a JSON object with an 'ok' boolean, a 'data' object containing a 'fetchedAt' ISO timestamp, and an 'endpoint' label ('mcp-tool-poisoning-detection'), indicating whether the tool was analyzed and the result of the poisoning check.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "data": {
   "fetchedAt": "<iso>"
  },
  "endpoint": "mcp-tool-poisoning-detection"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mcp-tool-poisoning-detection-endpoint-385d6506/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 47620.xyz](https://www.zero.xyz/host/47620.xyz/llms.txt)