Guardrail MCP for Claude Code

io.github.kadopi/guardrail-mcp

Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.

client:Claude Code transport:streamable-http tools:2

Install Guardrail MCP in Claude Code

run in your project directory

claude mcp add --transport http guardrail-mcp https://guardrail-mcp.kadopi.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs