Agent Toolbox MCP Server: Install & Setup

Install Agent Toolbox in Claude Code

Claude Code

claude mcp add solhammer-agent-toolbox -- npx -y agentoolbox-mcp

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

{
  "mcpServers": {
    "solhammer-agent-toolbox": {
      "command": "npx",
      "args": [
        "-y",
        "agentoolbox-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Agent Toolbox MCP server do?

26 deterministic, offline pre-action safety gates for AI agents, each with a signed verdict.

Is the Agent Toolbox MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Agent Toolbox run locally or remotely?

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

How do I add Agent Toolbox to Claude Code?

Run: claude mcp add solhammer-agent-toolbox -- npx -y agentoolbox-mcp

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