x402-tools-mcp

Name: x402-tools-mcp
Author: mizukaizen

mizukaizen

22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add x402-tools --env X402_PAYMENT_HEADER='<X402_PAYMENT_HEADER>' --env X402_INTERNAL_KEY='<X402_INTERNAL_KEY>' -- npx -y @melis-ai/x402-tools-mcp

~/.codex/config.toml

[mcp_servers.x402-tools]
command = "npx"
args = ["-y", "@melis-ai/x402-tools-mcp"]
env = { X402_PAYMENT_HEADER = "<X402_PAYMENT_HEADER>", X402_INTERNAL_KEY = "<X402_INTERNAL_KEY>" }

# codex mcp add x402-tools --env X402_PAYMENT_HEADER='<X402_PAYMENT_HEADER>' --env X402_INTERNAL_KEY='<X402_INTERNAL_KEY>' -- npx -y @melis-ai/x402-tools-mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "x402-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "x402-tools": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "x402-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "x402-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "x402-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

Environment variables

X402_PAYMENT_HEADER
X402_INTERNAL_KEY

Replace the placeholders with your own credentials and keep them out of version control.

Setup

Environment variables

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