POSTFACT — Resolve Ambiguous Side Effects Before Retry for Zed

io.github.gsterlingpress/postfact

Resolve whether an uncertain side-effecting action completed before software retries it.

client:Zed transport:streamable-http tools:1

Install POSTFACT — Resolve Ambiguous Side Effects Before Retry in Zed

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

{
  "context_servers": {
    "postfact": {
      "url": "https://postfact-api-production.up.railway.app/mcp"
    }
  }
}

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