{
  "name": "get_git_diff",
  "description": "Returns the git diff for a file or directory. Use this to review changes efficiently without reading entire files.",
  "parameters": {
    "type": "object",
    "properties": {
      "path": {
        "type": "string",
        "description": "Path to the file or directory."
      },
      "base_rev": {
        "type": "string",
        "description": "Base revision (e.g. 'HEAD', 'HEAD~1', or a commit hash). Defaults to 'HEAD'."
      },
      "head_rev": {
        "type": "string",
        "description": "Head revision (optional)."
      }
    },
    "required": [
      "path"
    ]
  },
  "command": "python scripts/tool_call.py get_git_diff"
}