EffectFence for Zed

io.github.aurumflux20/effectfence

Stops agents double-firing side effects: 1,000 racing duplicates, exactly one execution.

client:Zed transport:stdio runtime:npm

Install EffectFence in Zed

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

{
  "context_servers": {
    "effectfence": {
      "command": "npx",
      "args": [
        "-y",
        "effectfence"
      ]
    }
  }
}

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