How to integrate Gitlab MCP with Antigravity

How to integrate Gitlab 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 Gitlab account to Antigravity IDE via Composio Connect, so it can create new GitLab group for QA team, open bug issue in frontend project, create branch from latest main commit, and more without ever putting your account credentials at risk.

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Gitlab is a web-based DevOps platform for managing source code, issues, and CI/CD pipelines. It streamlines software development with integrated collaboration and automation tools.

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How to integrate Gitlab 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 Gitlab account to Antigravity IDE via Composio Connect, so it can create new GitLab group for QA team, open bug issue in frontend project, create branch from latest main commit, and more without ever putting your account credentials at risk.

Also integrate Gitlab with

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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 Gitlab 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 Gitlab account

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

For example, ask it to:

  • "Create new GitLab group for QA team"
  • "Open bug issue in frontend project"
  • "Create branch from latest main commit"

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

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

Conclusion

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

TOOLS

Supported Tools

Every Gitlab action and event your agent gets out of the box.

Archive Project

Tool to archive a project.

Create GitLab Group

Tool to create a new group in GitLab.

Create Project

Tool to create a new project in GitLab.

Create Project Issue

Tool to create a new issue in a GitLab project.

Create Repository Branch

Tool to create a new branch in a project.

Delete Project

Tool to delete a GitLab project by its ID.

Download Project Avatar

Tool to download a project's avatar image.

Erase Job

Tool to erase the content of a specified job within a project.

Get Commit References

Tool to get all references (branches or tags) a commit is pushed to.

Get Commit Sequence

Tool to get the sequence number of a commit in a project by following parent links from the given commit.

Get Group Details

Tool to retrieve information about a specific group by its ID.

Get Group Member

Tool to retrieve details for a specific group member.

Get Groups

Get Groups

Get Job Details

Tool to retrieve details of a single job by its ID within a specified project.

Get Merge Request Notes

Tool to fetch comments on a merge request.

Get Project

Tool to get a single project by ID or URL-encoded path.

Get Project Languages

Tool to list programming languages used in a project with percentages.

Get Project Member

Tool to retrieve details for a specific project member.

Get Project Member All

Tool to retrieve details for a specific project member (including inherited and invited members).

Get Project Merge Request

Tool to fetch full details for a single merge request when the MR IID is known.

Get Merge Request Commits

Tool to get commits of a merge request.

Get Project Merge Requests

Tool to retrieve a list of merge requests for a specific project.

Get Projects

Tool to list all projects accessible to the authenticated user.

List Merge Request Diffs

Tool to list all diff versions of a merge request.

Get Repository Branch

Tool to retrieve information about a specific branch in a project.

Get Repository Branches

Retrieves a list of repository branches for a project.

Get Single Commit

Tool to get a specific commit identified by the commit hash or name of a branch or tag.

Get Single Pipeline

Tool to retrieve details of a single pipeline by its ID within a specified project.

Get User

Tool to retrieve information about a specific user by their ID.

Get User Preferences

Tool to get the current user's preferences.

Get Users

Tool to retrieve a list of users from GitLab.

Get User Status

Tool to get a user's status by ID.

Get User Status

Tool to get the current user's status.

Get User Support PIN

Tool to get details of the current user's Support PIN.

Import project members

Tool to import members from one project to another.

List All Group Members

Tool to list all members of a group including direct, inherited, and invited members.

List All Project Members

Tool to list all members of a project (direct, inherited, invited).

List Billable Group Members

Tool to list billable members of a top-level group (including its subgroups and projects).

List Group Members

Tool to list direct members of a group.

List Group Projects

Tool to list projects within a GitLab group by group ID or full path.

List Pending Group Members

Tool to list pending members of a group and its subgroups and projects.

List Pipeline Jobs

Tool to retrieve a list of jobs for a specified pipeline within a project.

List Project Groups

Tool to list ancestor groups of a project.

List Project Invited Groups

Tool to list groups invited to a project.

List Project Issues

Tool to list issues for a project with filtering options (state, labels, search, assignee, author, etc.

List Project Pipelines

Tool to retrieve a list of pipelines for a specified project.

List Project Shareable Groups

Tool to list groups that can be shared with a project.

List Project Repository Tags

Tool to retrieve a list of repository tags for a specified project.

List Project Transfer Locations

Tool to list namespaces available for project transfer.

List project users

Tool to list users of a project.

List Repository Commits

Tool to get a list of repository commits in a project.

List User Projects

Tool to list projects owned by a specific user.

Create Support PIN

Tool to create a support PIN for your authenticated user.

Update User Preferences

Tool to update the current user's preferences.

Set User Status

Tool to set the current user's status.

Share Project With Group

Tool to share a project with a group.

Start Housekeeping Task

Tool to start the housekeeping task for a project.

Update Project Issue

Tool to update an existing issue in a GitLab project (title, description, labels, assignees, state, etc.

FRAMEWORKS

How to build Gitlab MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Gitlab MCP with ChatGPT

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Gitlab MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Gitlab MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Gitlab MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Gitlab MCP with Claude Cowork

Codex logo

Codex

Use Gitlab MCP with Codex

Kimi Code logo

Kimi Code

Use Gitlab MCP with Kimi Code

Cursor logo

Cursor

Use Gitlab MCP with Cursor

VS Code logo

VS Code

Use Gitlab MCP with VS Code

OpenCode logo

OpenCode

Use Gitlab MCP with OpenCode

OpenClaw logo

OpenClaw

Use Gitlab MCP with OpenClaw

Hermes logo

Hermes

Use Gitlab MCP with Hermes

CLI logo

CLI

Use Gitlab MCP with CLI

Google ADK logo

Google ADK

Use Gitlab MCP with Google ADK

LangChain logo

LangChain

Use Gitlab MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Gitlab MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Gitlab MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Gitlab MCP with LlamaIndex

CrewAI logo

CrewAI

Use Gitlab MCP with CrewAI

FAQ

Frequently asked questions

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

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 Gitlab tools.

Yes, absolutely. You can configure which Gitlab 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.

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 Gitlab data and credentials are handled as safely as possible.

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Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
Harsha Gaddipati
Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya
Abhi Arya
Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave
Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu
Ryan Yu
Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola
Tomisin Jenrola
Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche
Jerome Leclanche
Co-Founder, Ingram Technologies