How to integrate Conversion tools MCP with Antigravity

How to integrate Conversion tools 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 Conversion tools account to Antigravity IDE via Composio Connect, so it can convert your Excel file to clean CSV, export a website as a PDF snapshot, extract text from this Word document, and more without ever putting your account credentials at risk.

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Conversion Tools is an online service for converting documents between formats such as PDF, Word, Excel, XML, and CSV. It lets you automate complex document workflows with just a few clicks.

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How to integrate Conversion tools 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 Conversion tools account to Antigravity IDE via Composio Connect, so it can convert your Excel file to clean CSV, export a website as a PDF snapshot, extract text from this Word document, and more without ever putting your account credentials at risk.

Also integrate Conversion tools with

ChatGPTOpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeCursorVS CodeOpenClawHermesCLIGoogle 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 Conversion tools 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 Conversion tools account

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

For example, ask it to:

  • "Convert your Excel file to clean CSV"
  • "Export a website as a PDF snapshot"
  • "Extract text from this Word document"

It will prompt you to authenticate and authorize access to Conversion tools.

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

Conclusion

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

TOOLS

Supported Tools

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

Convert Excel to HTML

Convert an Excel (.

Convert Word to Text

Convert Word documents (.

Create Conversion Task

Tool to create a new conversion task.

Download Converted File

Download a converted file from the Conversion Tools API using its file ID.

Get Auth Info

Tool to get information about the authenticated user including email address.

Get Conversion Config

Tool to get available conversion types and their configuration.

Get File Info

Tool to get metadata about a file including size, name, and preview (for text files).

Get Task Status

Tool to get the status of a conversion task.

List Conversion Tasks

Get all tasks for the authenticated user (up to 50 most recent tasks).

Update Task Retention

Tool to update the retention mode for a task.

Upload File

Upload a file to the ConversionTools API for subsequent conversion operations.

FRAMEWORKS

How to build Conversion tools MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Conversion tools MCP with ChatGPT

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Conversion tools MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Conversion tools MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Conversion tools MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Conversion tools MCP with Claude Cowork

Codex logo

Codex

Use Conversion tools MCP with Codex

Cursor logo

Cursor

Use Conversion tools MCP with Cursor

VS Code logo

VS Code

Use Conversion tools MCP with VS Code

OpenCode logo

OpenCode

Use Conversion tools MCP with OpenCode

OpenClaw logo

OpenClaw

Use Conversion tools MCP with OpenClaw

Hermes logo

Hermes

Use Conversion tools MCP with Hermes

CLI logo

CLI

Use Conversion tools MCP with CLI

Google ADK logo

Google ADK

Use Conversion tools MCP with Google ADK

LangChain logo

LangChain

Use Conversion tools MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Conversion tools MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Conversion tools MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Conversion tools MCP with LlamaIndex

CrewAI logo

CrewAI

Use Conversion tools MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, absolutely. You can configure which Conversion tools 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 Conversion tools 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