How to integrate Fireflies MCP with Antigravity

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How to integrate Fireflies 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 Fireflies account to Antigravity IDE via Composio Connect, so it can transcribe this uploaded meeting audio file, summarize your last five recorded calls, list all transcripts involving the marketing team, and more without ever putting your account credentials at risk.

Also integrate Fireflies 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 Fireflies 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 Fireflies account

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

For example, ask it to:

  • "Transcribe this uploaded meeting audio file"
  • "Summarize your last five recorded calls"
  • "List all transcripts involving the marketing team"

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

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

Supported Tools & Triggers

Tools
Triggers
Add to Live MeetingThe AddToLive Action allows you to add the Fireflies.
Continue AskFred ThreadTool to continue an existing AskFred conversation thread with follow-up questions.
Create AskFred ThreadTool to start a new AskFred conversation thread with a question about meetings.
Create BiteTool to create a bite (short video or audio clip) from a transcript segment.
Delete Transcript by IDPermanently delete a transcript from the Fireflies account by its unique ID.
Fetch AI App OutputsTool to fetch AI App outputs for specific apps or transcripts.
Get AskFred ThreadTool to get a specific AskFred conversation thread with full history.
Get AskFred ThreadsTool to retrieve a summary of all AskFred conversation threads for the current user.
Get Bite by IDFetches details for a specific bite by ID.
Get TranscriptsFetches a list of bites (highlights) against input arguments.
Get Transcript by IDFetches details for a specific Fireflies transcript ID.
Get TranscriptsFetches a list of transcripts against input filters.
Get User by IDThe GetUser Action is designed to fetch details associated with a specific user id.
Get User GroupsTool to fetch a list of all user groups within the team with information about user groups including their members.
Get UsersFetches a list of all users within the team, including their full email addresses.
Execute GraphQL QueryExecute an authenticated, read-only Fireflies GraphQL operation (query) and return the full raw GraphQL response (data+errors) for reliable fallback and debugging.
Set User RoleTool to update a user's role within a team.
Update Meeting ChannelTool to batch update channel assignments for 1-5 meeting transcripts.
Update Meeting PrivacyTool to update the privacy setting of a meeting transcript.
Update Meeting TitleTool to update the title of a meeting transcript.
Upload AudioThe UploadAudio Action allows you to upload audio files to Fireflies.

Conclusion

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

How to build Fireflies MCP Agent with another framework

FAQ

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

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

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

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

Used by agents from

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glean
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Agent.ai
Altera
DataStax
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Context
Letta
glean
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Agent.ai
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DataStax
Entelligence
Rolai

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