How to integrate Tiktok MCP with Antigravity

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How to integrate Tiktok MCP with Antigravity

Antigravity IDE is Google's agentic IDE, built on a VS Code-style editor and powered by models like Gemini 3.5 Flash, Gemini 3.1 Pro, Opus 4.6, and more. It treats the AI agent as a first-class teammate, planning, coding, and validating work through an Agent Manager dashboard with deep browser connectivity.

In this guide, I will explain the easiest and most secure way to connect your Tiktok account to Antigravity IDE via Composio Connect, so it can upload a new video from your library, list your most recent TikTok videos, fetch your latest TikTok follower stats, and more without ever putting your account credentials at risk.

Also integrate Tiktok with

Why use Composio?

Composio provides:

  • Access to 1,000+ managed apps from a single MCP endpoint. This makes it convenient for agents to run cross-app workflows.
  • Programmatic tool calling. Allows LLMs to write code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool response handling outside the LLM context. This minimizes context bloat from large tool responses.
  • Dynamic just-in-time access to thousands of tools across hundreds of apps. Composio loads the tools your agent needs, so LLMs are not overwhelmed by tools they do not need.

Connect Tiktok to Antigravity

Antigravity does not ship with one-click custom MCP install links yet, so configuration goes through the IDE's raw config file. The process takes under a minute.

1. Open the MCP Config

Go to Antigravity Settings, open the Customizations tab, then click Open MCP Config to open mcp_config.json in the editor.

Antigravity Customizations settings with Open MCP Config button

2. Get your API key

Go to the Composio Dashboard and copy your API key.

Composio Dashboard showing where to get the API key

3. Add Composio to mcp_config.json

Paste the following configuration into the file:

bash
{
  "mcpServers": {
    "remote-composio": {
      "serverUrl": "https://connect.composio.dev/mcp",
      "headers": {
        "x-consumer-api-key": "your-composio-api-key"
      }
    }
  }
}

Note: Antigravity uses serverUrl, not url, for remote HTTP-based MCP servers. This differs from the url key used in Cursor and VS Code configs.

Save the file and click refresh in the Installed MCP Servers section.

Antigravity showing Composio tools after MCP setup

Connect your Tiktok account

Back in the Antigravity agent panel, ask the agent to connect to Tiktok or give it any Tiktok-related task.

For example, ask it to:

  • "Upload a new video from your library"
  • "List your most recent TikTok videos"
  • "Fetch your latest TikTok follower stats"

It will prompt you to authenticate and authorize access to Tiktok.

That is it. Composio tools are now available in Antigravity, and your Tiktok account is ready to use.

Supported Tools & Triggers

Tools
Fetch publish statusCheck the processing status of a TikTok video or photo post using its publish_id.
Get action categoriesTool to retrieve available action categories from TikTok Marketing API.
Get termsTool to retrieve terms from TikTok Business API.
Get user statsFetches TikTok user information and statistics for the authenticated user.
List GMV Max occupied custom shop adsTool to get GMV Max occupied custom shop ads list for a TikTok advertiser.
List videosLists videos for the authenticated user (or specified creator).
Post photoCreate a photo post (1-35 images) on TikTok via Content Posting API.
Publish videoPublishes a video to TikTok by pulling it from a public URL.
Upload videoUploads a video to TikTok via the Content Posting API (init + single-part upload).
Upload videos (batch)Uploads multiple videos to TikTok concurrently (init + single-part upload per file).

Conclusion

You have successfully connected Tiktok to Antigravity using Composio Connect. Your agent can now use Tiktok securely without exposing credentials in prompts or local scripts.

How to build Tiktok MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Tiktok MCP?

With a standalone Tiktok MCP server, the agents and LLMs can only access a fixed set of Tiktok tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Tiktok and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Antigravity?

Yes, you can. Antigravity fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Tiktok tools.

Can I manage the permissions and scopes for Tiktok while using Tool Router?

Yes, absolutely. You can configure which Tiktok scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Tiktok data and credentials are handled as safely as possible.

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