Arcwall MCP Server: Install & Setup

Install Arcwall in Claude Code

Claude Code

claude mcp add arcwall -e ARCWALL_API_KEY=... -- npx -y @arcwall/mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "arcwall": {
      "command": "npx",
      "args": [
        "-y",
        "@arcwall/mcp-server"
      ],
      "env": {
        "ARCWALL_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Arcwall MCP server do?

Security scanning for AI coding tools. Detects secrets, threat models, and runs pre-commit checks.

Is the Arcwall MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Arcwall run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Arcwall to Claude Code?

Run: claude mcp add arcwall -e ARCWALL_API_KEY=... -- npx -y @arcwall/mcp-server

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