blackwall for Claude Code

com.blackwalltier/blackwall

API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).

client:Claude Code transport:stdio runtime:npm

Install blackwall in Claude Code

run in your project directory

claude mcp add blackwall -e BLACKWALL_API_KEY=<BLACKWALL_API_KEY> -e BLACKWALL_MODE=<BLACKWALL_MODE> -- npx -y blackwall-mcp

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