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Google Antigravity Setup Guide

After setup, you can operate CloudBase services directly from Google Antigravity’s AI chat.

Examples:

  • "Build a WeChat Mini Program ordering system with CloudBase" — AI scaffolds pages, creates the cloud database, writes cloud functions, and guides preview
  • "Build a reservation management system that lets users place orders and admins update status" — AI models it with CloudBase PostgreSQL, configures permissions, and wires up frontend and backend
  • "Add phone-number login to a Web app" — AI enables the auth method and integrates the CloudBase SDK

No need to switch to the Cloud console — you can do everything in Antigravity with natural language.

Prerequisites​

Before you start, make sure you have:

Node.js and a CloudBase environment ready

Node.js: Install Node.js v18.15.0 or later:

node --version

If you don’t have it installed, download it from the Node.js website.

CloudBase environment: See Create a CloudBase environment. New users on the domestic site can start for free.

Client
Connection
Site

Remote needs only a URL — your client walks you through browser authorization, so no keys land in config files.

Configure your AI tool to connect with CloudBase capabilities. Supports local and remote connection. See connection modes.

Step 1: Install / Configure CloudBase

Or add this configuration to .agent/rules/:

json
1{
2  "mcpServers": {
3    "cloudbase": {
4      "type": "http",
5      "url": "https://tcb-api.cloud.tencent.com/mcp/v1"
6    }
7  }
8}
Need help?View Google Antigravity docs

Step 2: Chat with AI

Enter the following in your AI chat in order:

prompt
Read https://docs.cloudbase.net/skill.md and tell me what it can do
Use CloudBase Skills: 介绍小程序云开发的核心概念和使用方法

Setup​

This automatically configures MCP and rule files:

npx @cloudbase/cloudbase-mcp downloadTemplate --template rules --ide antigravity

Option 2: Configure manually​

  1. Create rules directory

    Create .agent/rules/ under your project root:

    mkdir -p .agent/rules

  2. Configure MCP server

    Create .mcp.json under the project root and add:

    {
      "mcpServers": {
        "cloudbase": {
          "command": "npx",
          "args": ["@cloudbase/cloudbase-mcp@latest"],
          "env": {
            "INTEGRATION_IDE": "Antigravity"
          }
        }
      }
    }

  3. Add rules

    Copy CloudBase rule files into .agent/rules/.

    Rule activation methods:

    • Manual: mention via @ to load
    • Always On: always apply
    • Model Decision: model decides based on natural language
    • Glob: apply rules when file path matches a glob (e.g. .js, src/**/*.ts)

Verify​

After setup, in Antigravity’s AI chat, type:

Check if CloudBase tools are available

If successful, the AI should be able to access and use CloudBase tools.

FAQ​

Q: MCP connection failed?

A: Check the config format, restart Antigravity, and confirm your network.

Q: Rules don’t take effect?

A: Check rule activation settings and ensure files are under .agent/rules/.

Q: Tool count shows 0?

A: See the FAQ.

More: FAQ

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