LocalFree server, account needed

Snapdiff MCP server

corralimited/snapdiff-mcp

Intent-aware visual verification: declare what a UI change should affect, then diff the page against a baseline and flag changes outside that scope.

5 GitHub stars
Source code

Install Snapdiff in Claude Code

Claude Code
claude mcp add snapdiff -e SNAPDIFF_API_KEY=... -- npx -y @corralimited/snapdiff-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "snapdiff": {
      "command": "npx",
      "args": [
        "-y",
        "@corralimited/snapdiff-mcp"
      ],
      "env": {
        "SNAPDIFF_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Snapdiff MCP server do?

Intent-aware visual verification: declare what a UI change should affect, then diff the page against a baseline and flag changes outside that scope.

Is the Snapdiff MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Snapdiff run locally or remotely?

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

How do I add Snapdiff to Claude Code?

Run: claude mcp add snapdiff -e SNAPDIFF_API_KEY=... -- npx -y @corralimited/snapdiff-mcp

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