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Antigravity · MCP server

Let Antigravity read your sales and marketing accounts

Antigravity can’t see your accounts today. Add HeyMetra and it can.

An MCP server lets Antigravity read your accounts as it answers. HeyMetra is one, for your marketing and revenue accounts.

Your accounts
  • Amazon
  • WooCommerce
  • Stripe
  • Search Console
HeyMetra
Your AI assistant
Antigravity
How did weekly net sales go this month across Amazon and my store, and why did week 3 dip?
Read Amazon, WooCommerce and Stripe with HeyMetra
Net sales peaked in week 4 at $9,260. Week 3’s dip is mostly refunds: $1,140 went back through Stripe, 70% of it on two products, the Linen Shirt Beige and the Oversize Tee, both returned as “didn’t fit”.
Weekly net sales, Amazon and store together
Week 1$7,820
Week 2$8,410
Week 3$6,930
Week 4$9,260
Ask anything, @ to mention
Try free for 7 days See the setup

What Antigravity can reach.

MCP

Every account here can be connected and asked about from Antigravity.

Not in the grid because nothing is read from them: Slack, Telegram and Email are destinations. Each one lets Antigravity send to the place you linked. A message goes out as soon as it is sent. Switch on Ask before sending to approve each one first; an email to an address you did not save always waits for you.

Why one server rather than four

Antigravity's agent will call several servers in a row and try to combine what they return. Without knowing how each account defines a week or a sale, that combination is a guess. One serverUrl entry reaches all of your accounts from one sign-in, instead of a server per account.

Held against the two alternatives worth naming: HeyMetra vs AdKit, an MCP server for ad accounts alone, and HeyMetra vs Supermetrics, which lands a copy of the data somewhere rather than answering out of the account.

Ask it, or have it done

Questions to ask

  • “How many units did I sell on Amazon last week, and for how much?”

    Amazon Seller Central

  • “How many chats came in last week, and how many did nobody answer?”

    Zoho SalesIQ

  • “Which campaigns have we sent recently?”

    Zoho Marketing Automation

  • “Which issues are still open in this sprint?”

    Jira

  • “How many people signed up last week?”

    PostHog

Things it can do

  • Mark an order as shipped

    Çiçeksepeti

  • Accept an order for preparation

    n11

  • Cancel a subscription now

    Stripe

  • Attach a product to an entitlement

    RevenueCat

  • Send a message to a Slack channel you name

    Slack

Your assistant tells you in one line what it will change, and nothing reaches the account until you say yes in the chat. HeyMetra cannot undo a change afterwards. A message goes out as soon as it is sent. Switch on Ask before sending to approve each one first; an email to an address you did not save always waits for you.

Adding one in Antigravity

See the setup

Why Antigravity: Google's agent-first editor. Its IDE and its CLI read the same file, so the connection follows you between them.

Worth knowing for Antigravity: The key is serverUrl, not url, unlike every other JSON client.

~/.gemini/config/mcp_config.json

1{

2 "mcpServers": {

3 "heymetra": { "serverUrl": "https://mcp.heymetra.com/mcp" }

4 }

5}

  1. Authorize the accounts you want reachable. This happens once, in HeyMetra, and is the part that is the same wherever you ask. No HeyMetra account yet? The trial covers this step.

    Try free for 7 days

  2. Put it in ~/.gemini/config/mcp_config.json, or .agents/mcp_config.json in a project.

    {
  "mcpServers": {
    "heymetra": { "serverUrl": "https://mcp.heymetra.com/mcp" }
  }
}

  3. Ask Antigravity something that needs one of the accounts. The model picks the tool; you never name it.

These interfaces move, and this one has moved before. Where a step here disagrees with what is on your screen, trust the screen. Then check Antigravity's own documentation, which is what these steps were written from. And tell us, so the page stops being wrong for the next person.

Use it from the Antigravity subscription you already pay for.

Pricing

There is no second model to buy here. The answering happens in Antigravity; HeyMetra supplies the accounts and asks you before anything in them changes.

  • Starter

    For one person starting with their main account.

    $6$5/mo

    billed monthly $60 billed annually, save 17%

    Try free for 7 daysTry free for 7 days
    • 2 connectors at once
    • 2 accounts across them
    • 1 seat
    • Unlimited conversations

  • Most popular

    Pro

    For a small team running several accounts together.

    $19$15.83/mo

    billed monthly $190 billed annually, save 17%

    Try free for 7 daysTry free for 7 days
    • 5 connectors at once
    • 10 accounts across them
    • 2 seats
    • Unlimited conversations

  • Superior

    For teams and agencies with many accounts to connect.

    $49$40.83/mo

    billed monthly $490 billed annually, save 17%

    Try free for 7 daysTry free for 7 days
    • 50 connectors at once
    • Unlimited number of accounts
    • 3 seats
    • Unlimited conversations

  • Enterprise

    For organizations with custom scale and security needs.

    • Custom connectors
    • Custom accounts
    • Custom seats
    • Unlimited conversations

    Contact us

    Contact sales
Compare plans →

Frequently asked

Which file does Antigravity read MCP servers from?

~/.gemini/config/mcp_config.json, or .agents/mcp_config.json in a project. The server is one entry in it, and the key that holds the address is serverUrl, not url, which is what every other editor in this list expects. A file with the wrong key parses cleanly and connects to nothing.

Is there anything specific to Antigravity I should know?

The key is serverUrl, not url, unlike every other JSON client. Everything else is the same as it is anywhere else: one address, the sign-in you already have, and the tools appear.

Does Antigravity support MCP?

Yes. Antigravity reads MCP servers from an mcp_config.json file (one per project under .agents/, or a global one at ~/.gemini/config/mcp_config.json), and a remote server is declared with serverUrl, not url.

Where do I add an MCP server in Antigravity?

Antigravity reads MCP servers from an mcp_config.json file (one per project under .agents/, or a global one at ~/.gemini/config/mcp_config.json), and a remote server is declared with serverUrl, not url. After that, Antigravity discovers the tools the server exposes and decides which to call while it answers you. You never name a tool.

Is a remote MCP server different from a local one?

Yes. A local one runs as a process on your own machine and stops when you close Antigravity. A remote one runs on the operator’s infrastructure and is reached over HTTP, so there is nothing to install and nothing to keep running, and the credentials live with the operator.

Can an MCP server change my accounts?

Only if you said it may. Connecting an account to HeyMetra asks that question once: read-only, or may the assistant propose changes there too. An account left read-only carries no tool that can change anything, and Search Console and Jira connect read-only with no option to change. Where you said yes, Antigravity tells you in one line what it will change and waits; nothing reaches the account until you say yes in the chat. A message to a channel you linked goes out when it is sent, unless you switch on Ask before sending.

Other AI assistants

The same connection, from any of them. What differs is where the setting lives and what that app calls it: Antigravity says “MCP servers”.

All MCP servers for marketing data

Your competitors already put AI to work. Start with the account you check every day.

Add it to HeyMetra once, then ask about it in the AI assistant you already pay for. Add the next one when you need it.

Try free for 7 days See the connectors

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