How to integrate LeadBoxer MCP with Antigravity

How to integrate LeadBoxer 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 LeadBoxer account to Antigravity IDE via Composio Connect, so it can list all new leads from today, show all companies visiting pricing page, get contact info for most recent lead, and more without ever putting your account credentials at risk.

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LeadBoxer is a lead generation platform that reveals real-time info about your website visitors. It turns anonymous traffic into actionable business data for smarter sales efforts.

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How to integrate LeadBoxer 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 LeadBoxer account to Antigravity IDE via Composio Connect, so it can list all new leads from today, show all companies visiting pricing page, get contact info for most recent lead, and more without ever putting your account credentials at risk.

Also integrate LeadBoxer with

ChatGPTOpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

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 LeadBoxer 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 LeadBoxer account

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

For example, ask it to:

  • "List all new leads from today"
  • "Show all companies visiting pricing page"
  • "Get contact info for most recent lead"

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

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

Conclusion

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

TOOLS

Supported Tools

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

Add or Update Lead Tags

Tool to add or update lead tags in LeadBoxer.

Delete Custom Tracking Domain

Tool to delete a custom tracking domain entry for a dataset.

Get Events

Tool to fetch events for specified sessions from LeadBoxer.

Get Lead Score Formula

Tool to fetch the lead score formula for a specific dataset.

Get Sessions

Tool to fetch sessions for a specified lead ID from LeadBoxer.

Log Server-Side Event

Tool to track server-side events in LeadBoxer.

Get Custom Tracking Domains

Tool to fetch custom tracking domain entries for a dataset.

Post Event Data

Tool to send event data for tracking user activities via POST request.

Get Lead Detail

Tool to fetch detailed information about a lead based on filters.

FRAMEWORKS

How to build LeadBoxer MCP Agent with another framework

ChatGPT logo

ChatGPT

Use LeadBoxer MCP with ChatGPT

OpenAI Agents SDK logo

OpenAI Agents SDK

Use LeadBoxer MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use LeadBoxer MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use LeadBoxer MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use LeadBoxer MCP with Claude Cowork

Codex logo

Codex

Use LeadBoxer MCP with Codex

OpenClaw logo

OpenClaw

Use LeadBoxer MCP with OpenClaw

Hermes logo

Hermes

Use LeadBoxer MCP with Hermes

CLI logo

CLI

Use LeadBoxer MCP with CLI

Google ADK logo

Google ADK

Use LeadBoxer MCP with Google ADK

LangChain logo

LangChain

Use LeadBoxer MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use LeadBoxer MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use LeadBoxer MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use LeadBoxer MCP with LlamaIndex

CrewAI logo

CrewAI

Use LeadBoxer MCP with CrewAI

FAQ

Frequently asked questions

With a standalone LeadBoxer MCP server, the agents and LLMs can only access a fixed set of LeadBoxer tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from LeadBoxer 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 LeadBoxer tools.

Yes, absolutely. You can configure which LeadBoxer 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 LeadBoxer 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