agent-guardrail
Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.
Install
PyPIstdio
uvx guardrail-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-rudimentall1-agent-guardrail": {
"command": "uvx",
"args": [
"guardrail-mcp"
]
}
}
}Source: official MCP Registry record · registry name io.github.rudimentall1/agent-guardrail · published 2026-08-06 · updated 2026-08-06. Not an endorsement; review the code before connecting it to anything sensitive.