impact preview for VS Code

io.github.agent-polis/impact-preview

Impact preview for AI agents - see what changes before any action executes.

client:VS Code transport:stdio runtime:pypi

Install impact preview in VS Code

.vscode/mcp.json

{
  "servers": {
    "impact-preview": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "impact-preview"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs