# x402-mcp-server

> x402-mcp-server — aiagentkarl-x402-mcp-server. Use this tool when you need to facilitate micropayments using USDC on the Solana network, enabling seamless and efficient transactions for AI agents. It solves problems related to secure and reliable payment processing, providing a robust interface for sending and receiving payments. Ideal for use cases requiring fast and low-cost transactions, this tool accepts USDC inputs and returns transaction confirmations as outputs.

Canonical page: https://skillsregistry.net/skills/aiagentkarl-x402-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/aiagentkarl-x402-mcp-server

## Description

x402 Payment Gateway for AI Agents — micropayments using USDC on Solana

## Trust

- **Trust score (0–1):** 0.92
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** finance
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/AiAgentKarl/x402-mcp-server)

## 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": "aiagentkarl-x402-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/aiagentkarl-x402-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/aiagentkarl-x402-mcp-server/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