MCP X402

Name: MCP X402
Author: GitLab CI/CD

Verified · npm:@scriptmasterlabs

MCP server by GitLab CI/CD · updated 1 month ago · 26 downloads a week

Score 57

SCRIPTMASTERLABS x402 Gateway: read-only discovery of x402 paid APIs and fresh payment requirements on Base. Caller controls authorization and spending. MCP X402 is published by npm:@scriptmasterlabs from its verified domain in the official MCP Registry.

Install Add to Cursor Add to VS Code Website

Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf Antigravity CLI

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, original repository

Security

Not checked yet. What we check

Install MCP X402

Built from the published package, never by AI

claude mcp add mcp-x402 -- npx -y @scriptmasterlabs/mcp-x402

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install MCP X402 in Claude Code

{
  "mcpServers": {
    "mcp-x402": {
      "command": "npx",
      "args": [
        "-y",
        "@scriptmasterlabs/mcp-x402"
      ]
    }
  }
}

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install MCP X402 in Claude Desktop

{
  "mcpServers": {
    "mcp-x402": {
      "command": "npx",
      "args": [
        "-y",
        "@scriptmasterlabs/mcp-x402"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install MCP X402 in Cursor

{
  "servers": {
    "mcp-x402": {
      "command": "npx",
      "args": [
        "-y",
        "@scriptmasterlabs/mcp-x402"
      ]
    }
  }
}

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install MCP X402 in VS Code

codex mcp add mcp-x402 -- npx -y @scriptmasterlabs/mcp-x402

Step-by-step: install MCP X402 in Codex

{
  "mcpServers": {
    "mcp-x402": {
      "command": "npx",
      "args": [
        "-y",
        "@scriptmasterlabs/mcp-x402"
      ]
    }
  }
}

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install MCP X402 in Antigravity CLI

gemini mcp add mcp-x402 npx -y @scriptmasterlabs/mcp-x402

Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.

Step-by-step: install MCP X402 in Gemini CLI

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the mcp-x402 block.

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MCP X402: common questions

How do I install MCP X402?

In Claude Code run claude mcp add mcp-x402 -- npx -y @scriptmasterlabs/mcp-x402. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is MCP X402 the official server?

MCP X402 is published by npm:@scriptmasterlabs from its verified domain in the official MCP Registry.

Is MCP X402 free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is MCP X402 safe to use?

It scores 57 of 100. Grades: licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.

What are alternatives to MCP X402?

Similar MCP servers: mcp, CCXT, Finance Toolkit, X402 MCP.

Does MCP X402 work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.