ctxfw for Zed

io.github.heuristicolab/ctxfw

Zero-egress AI Agent Firewall: SARA prompt injection defense, AST context pruning & MCP governance.

client:Zed transport:stdio runtime:pypi

Install ctxfw in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

{
  "context_servers": {
    "ctxfw": {
      "command": "uvx",
      "args": [
        "ctxfw"
      ]
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs