Contract Diff MCP Server: Install & Setup

Install Contract Diff in Claude Code

Claude Code

claude mcp add contract-diff -- npx -y contract-diff-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "contract-diff": {
      "command": "npx",
      "args": [
        "-y",
        "contract-diff-mcp"
      ]
    }
  }
}

Aggregate local contract snapshot changes without exposing schema contents. Tools include...

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

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

Run: claude mcp add contract-diff -- npx -y contract-diff-mcp

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