LocalFree

Impact Preview MCP server

agent-polis/impact-preview

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

1 GitHub stars

Install Impact Preview in Claude Code

Claude Code
claude mcp add impact-preview -- uvx impact-preview
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "impact-preview": {
      "command": "uvx",
      "args": [
        "impact-preview"
      ]
    }
  }
}

Frequently asked questions

What does the Impact Preview MCP server do?

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

Is the Impact Preview MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Impact Preview run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Impact Preview to Claude Code?

Run: claude mcp add impact-preview -- uvx impact-preview

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