Payload Validator for Zed

com.gumballtools/payload-validator

Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.

client:Zed transport:streamable-http tools:5

Install Payload Validator in Zed

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

{
  "context_servers": {
    "payload-validator": {
      "url": "https://payload-validator.gumballtools.com/api/mcp"
    }
  }
}

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