UCAI

UCAI is a local MCP server: UCAI — The ABI-to-MCP Server Generator. Convert any smart contract ABI into an AI-ready MCP server. Install it from pypi as abi-to-mcp.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add abi-to-mcp -e WEB3_PROVIDER_URL=... -e ETHERSCAN_API_KEY=... -e PRIVATE_KEY=... -- uvx abi-to-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "abi-to-mcp": {
      "command": "uvx",
      "args": [
        "abi-to-mcp"
      ],
      "env": {
        "WEB3_PROVIDER_URL": "...",
        "ETHERSCAN_API_KEY": "...",
        "PRIVATE_KEY": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Python with uv (runs with uvx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: WEB3_PROVIDER_URL, ETHERSCAN_API_KEY, PRIVATE_KEY