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How to Connect Fluenceur to Gemini (MCP Setup Guide)

Add Fluenceur as a custom MCP app in Gemini, or connect from Antigravity CLI on a work account, then authorize your brand.

Last updated Oct 2, 20264 min read
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Using Claude or ChatGPT instead? See how to connect Claude to Fluenceur or how to connect ChatGPT to Fluenceur. Full details on what the connector can do live on the Fluenceur MCP page.

Before you start

  • A Fluenceur Growth plan. Any team member connects with their own Fluenceur login.
  • For the Gemini app: a personal Google Account, 18 or over, based in the US, with Keep Activity on and the Gemini interface in English. Google does not yet offer custom apps outside these conditions, and never with a work or school account.
  • Outside those conditions, or for a work account, or a terminal-first workflow: Antigravity CLI, the current MCP-capable successor to Gemini CLI.

Custom apps in the Gemini app are only available to personal Google Accounts in the US, with the interface in English. If you're on a work or school account, outside the US, or using another interface language, use Antigravity CLI instead, further down this guide.

Connect Fluenceur to the Gemini app in 6 steps

Fluenceur MCP server URL
https://api.fluenceur.com/mcp
  1. Confirm your Google accountSign in to gemini.google.com with a personal Google Account, 18 or over and based in the US, with Keep Activity on and the interface in English. Custom apps are not offered on a work or school account, or outside these conditions.
  2. Open Connected AppsGo to Settings, then Connected Apps, and find the Custom apps section.
  3. Add a custom appClick Add a custom app and paste https://api.fluenceur.com/mcp.
  4. Approve in your browserGemini opens Fluenceur's sign-in and consent screen in a new tab.
  5. Sign in and choose a brandReview your organization, choose the brands to authorize, and review the requested capabilities.
  6. Ask from the appA connection made on the web also appears in the Gemini mobile app; no separate setup there.

Can't use the Gemini app? Try Antigravity CLI instead

Gemini CLI stopped serving requests on 18 June 2026. Its replacement, Antigravity CLI, kept MCP server support and isn't limited to a personal Google account in the US. Add Fluenceur to its configuration file, ~/.gemini/config/mcp_config.json, or a project-level .agents/mcp_config.json:

~/.gemini/config/mcp_config.jsonJSON
{
  "mcpServers": {
    "fluenceur": {
      "serverUrl": "https://api.fluenceur.com/mcp"
    }
  }
}

Antigravity CLI handles the OAuth exchange for servers that support dynamic client registration, which Fluenceur does: start the CLI, type /mcp to open the MCP manager, and approve the sign-in that opens in your browser. If your organization uses Gemini Code Assist Standard or Enterprise, you kept your existing Gemini CLI access; the same configuration applies there.

What happens on the Fluenceur consent screen

Whichever path you took, the sign-in screen that opens belongs to Fluenceur. It shows your organization and every brand inside it, none preselected, and a plain description of the requested capabilities: reading brand context and performance, searching creators, writing programs, sending communications, managing Gifting and collaborations, preparing co-publicity.

Paid co-publicity is never launched from Gemini or Antigravity CLI: Fluenceur prepares the exact terms and asks for your confirmation separately, inside Fluenceur.

Prompts to try once you're connected

Creator Discovery

A few starting points:

  • Find 5 Spanish creators who talk about running shoes, 50k–300k followers, engagement above 4%.
  • Which gifts in Spring Launch haven't been delivered, and who still owes a Reel?
  • Draft a friendly reminder for creators in Spring Launch who are past their posting deadline.
  • How is Spring Launch performing this month versus last month? Show revenue, orders and mentions.

If it doesn't behave as expected

SymptomLikely causeFix
Add a custom app option is missingSigned in with a work or school account, outside the US, or the interface is not in EnglishUse a personal Google Account in the US with the interface in English, or switch to Antigravity CLI
The approval page never opensPop-ups blocked, or Keep Activity turned offAllow pop-ups for gemini.google.com and turn Keep Activity back on
The gemini command is no longer found in the terminalGemini CLI stopped serving requests on 18 June 2026Install Antigravity CLI, its replacement, and add the server there
Antigravity CLI can't reach the Fluenceur serverserverUrl missing or misspelled in the MCP config fileCheck mcp_config.json uses serverUrl, not url, with the exact HTTPS address
Connected on the web, but nothing shows on mobileThe app is not fully synced yetReopen the Gemini mobile app; the connection follows your Google account automatically

Security, scopes and revoking access

Each connection is scoped to the brand or brands authorized on the Fluenceur screen, and to what your Fluenceur role already allows. Neither the Gemini app nor Antigravity CLI sends a message, offers a gift or creates a program on its own: it drafts the action and only carries it out once you say yes in the conversation. Paid co-publicity is the one exception: the assistant can prepare the terms, but only you, inside Fluenceur, can approve spending on it.

Active connections are listed in your Fluenceur account, under Settings → Connected assistants. Reduce the brands or permissions, or revoke the connection outright, at any time; removing the last brand or read access ends access immediately.

Questions

Can I add Fluenceur as an MCP server in the Gemini app?

Yes, through Settings → Connected Apps, but only with a personal Google Account, 18 or over, based in the US, with the interface in English. It isn't available with a work or school account, or outside those conditions.

I use a Google Workspace account, or I'm outside the US. How do I connect Fluenceur to Gemini?

Use Antigravity CLI instead, which reads a server URL from a config file and isn't limited to personal accounts in the US, or ask your admin about Gemini Enterprise's own MCP connector setup.

What happened to Gemini CLI?

Google retired Gemini CLI for individual users on 18 June 2026 in favor of Antigravity CLI, which kept MCP server support. Gemini Code Assist Standard and Enterprise licensees kept their existing access.

Can Gemini launch ads or send messages through Fluenceur automatically?

No. Gemini drafts a message and only sends it once you say yes in the conversation. Paid co-publicity is the one exception: it can only be approved inside Fluenceur.

Once I connect on the web, do I need to set it up again on mobile?

No. A custom app connected from gemini.google.com is available in the Gemini mobile app too.

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