# io.github.agentc22/x402engine-mcp

> Use this tool when you need to integrate pay-per-call AI APIs into your application via HTTP requests, enabling secure micropayments in USDC or USDm through crypto transactions. It solves problems related to cost-effective and flexible access to AI capabilities, allowing for scalable and controlled usage. This tool accepts HTTP requests as input and returns AI-driven responses as output, ideal for use cases where microtransactions and secure payments are required.

Canonical page: https://skillsregistry.net/skills/io-github-agentc22-x402engine-mcp  
JSON: https://api.skillsregistry.net/v1/skills/io-github-agentc22-x402engine-mcp

## Description

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.1
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-28

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.agentc22%2Fx402engine-mcp)
- **Repository:** <https://github.com/agentc22/x402engine-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-agentc22-x402engine-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-agentc22-x402engine-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-agentc22-x402engine-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt