How to integrate Proxiedmail MCP with Antigravity

How to integrate Proxiedmail 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 Proxiedmail account to Antigravity IDE via Composio Connect, so it can list all your current proxy email addresses, create a webhook to receive new emails, update a proxy binding to forward to a new address, and more without ever putting your account credentials at risk.

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Api Key

ProxiedMail is a privacy-first email platform offering seamless creation and management of proxy email addresses. It helps keep your real inbox safe and organized by routing, masking, and filtering incoming messages.

5 Tools

How to integrate Proxiedmail 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 Proxiedmail account to Antigravity IDE via Composio Connect, so it can list all your current proxy email addresses, create a webhook to receive new emails, update a proxy binding to forward to a new address, and more without ever putting your account credentials at risk.

Also integrate Proxiedmail 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 Proxiedmail 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 Proxiedmail account

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

For example, ask it to:

  • "List all your current proxy email addresses"
  • "Create a webhook to receive new emails"
  • "Update a proxy binding to forward to a new address"

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

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

Conclusion

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

TOOLS

Supported Tools

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

Create webhook receiver

Tool to create a webhook receiver for incoming email callbacks.

Get API Token

Tool to retrieve a permanent API token.

Get webhook data

Tool to retrieve data from a webhook receiver.

List proxy bindings

Tool to fetch a list of proxy bindings.

Update Proxy Binding

Tool to update an existing proxy binding.

FRAMEWORKS

How to build Proxiedmail MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Proxiedmail MCP with ChatGPT

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Proxiedmail MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Proxiedmail MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Proxiedmail MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Proxiedmail MCP with Claude Cowork

Codex logo

Codex

Use Proxiedmail MCP with Codex

Cursor logo

Cursor

Use Proxiedmail MCP with Cursor

VS Code logo

VS Code

Use Proxiedmail MCP with VS Code

OpenCode logo

OpenCode

Use Proxiedmail MCP with OpenCode

OpenClaw logo

OpenClaw

Use Proxiedmail MCP with OpenClaw

Hermes logo

Hermes

Use Proxiedmail MCP with Hermes

CLI logo

CLI

Use Proxiedmail MCP with CLI

Google ADK logo

Google ADK

Use Proxiedmail MCP with Google ADK

LangChain logo

LangChain

Use Proxiedmail MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Proxiedmail MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Proxiedmail MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Proxiedmail MCP with LlamaIndex

CrewAI logo

CrewAI

Use Proxiedmail MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, absolutely. You can configure which Proxiedmail 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 Proxiedmail data and credentials are handled as safely as possible.

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Customer stories

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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