# ag402-mcp

> Use this tool when you need to monetize APIs or MCP servers with a paywall or automate payments for paid APIs with zero code changes. It solves problems of secure and efficient payment processing, supporting non-custodial transactions with fast settlement times. Ideal for use cases involving paid API access, it takes API or MCP server inputs and outputs paid API access with Solana USDC transactions.

Canonical page: https://skillsregistry.net/skills/aethercore-dev-ag402-mcp  
JSON: https://api.skillsregistry.net/v1/skills/aethercore-dev-ag402-mcp

## Description

Ag402 is the payment layer for Coinbase's x402 protocol. Wrap any API or MCP server with a paywall in one command (ag402 serve), or let your AI agent auto-pay for paid APIs (ag402 run). Zero code changes for both buyers and sellers. Solana USDC, ~0.5s settlement, non-custodial, 648+ tests, MIT licensed. Works with Claude Code, Cursor, OpenClaw, LangChain, AutoGen, CrewAI out of the box.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ggm65wced3)
- **Repository:** <https://github.com/AetherCore-Dev/ag402>

## 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": "aethercore-dev-ag402-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/aethercore-dev-ag402-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/aethercore-dev-ag402-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