LocalFree

Agent Guardrail MCP server

rudimentall1/agent-guardrail

Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.

1 GitHub stars

Install Agent Guardrail in Claude Code

Claude Code
claude mcp add rudimentall1-agent-guardrail -- uvx guardrail-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "rudimentall1-agent-guardrail": {
      "command": "uvx",
      "args": [
        "guardrail-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Agent Guardrail MCP server do?

Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.

Is the Agent Guardrail 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 Guardrail 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 Guardrail to Claude Code?

Run: claude mcp add rudimentall1-agent-guardrail -- uvx guardrail-mcp

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