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How to connect Formilla to Claude

Connect Claude Web, Desktop and Cowork to Formilla MCP. Create a new contact from chat, update contact email and subscription status, and more using natural language, with authentication handled for you.

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Formilla is a live chat and marketing automation service for websites. It helps teams capture leads, manage contacts, and start conversations in real time.

1 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Formilla account to Claude via Composio Connect, enabling it to create a new contact from chat, update contact email and subscription status, list contacts created in last week, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Formilla with

ChatGPT WorkHermes

Connecting Formilla to Claude Web, Desktop, and Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

4. Connect your Formilla account

Back in Claude, ask it to connect to Formilla or give it any Formilla-related task.

For example, ask Claude to:

  • "Create a new contact from chat"
  • "Update contact email and subscription status"
  • "List contacts created in last week"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Formilla account is ready to use.

What is the Formilla Claude Connector, and what's possible with it?

The Formilla MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Formilla account. It provides structured and secure access so your agent can perform Formilla operations on your behalf.

Troubleshooting

1. Why does Claude not use the Composio connector for Formilla?

The connector can show as connected, but Claude must use it in each Formilla conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Formilla again.

2. Why does Claude show an MCP server error before Formilla connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Formilla.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Formilla.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Formilla authorization link not work?

The Composio connector is one server. Your Formilla account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Formilla connection.
  • Composio creates a fresh Formilla authorization link.
  • Open that link in your browser and finish the Formilla sign-in.

4. Why do Formilla actions fail after they worked before?

The Formilla connection can expire or lose permission.

  • Ask Claude to inspect the Formilla connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Formilla account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Formilla.
  • If the action still fails with a permission error, check that the connected account has that permission in Formilla itself.

5. How do I switch to a different Formilla account?

Claude can manage the Formilla connection for you.

  • Ask Claude to disconnect or delete the current Formilla account.
  • Ask Claude to connect Formilla again.
  • Open the new Composio authorization link for Formilla.
  • Sign in with the other Formilla account in the browser.
  • After the account connects, ask Claude to retry the Formilla task.

6. Why is my Formilla connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Formilla connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Formilla tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Formilla.
TOOLS

Supported Tools

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

Upsert Contact

Create a Formilla contact or overwrite supplied fields on an existing contact matched by user ID first, then email.

FRAMEWORKS

How to build Formilla MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use Formilla MCP with ChatGPT Work

Hermes logo

Hermes

Use Formilla MCP with Hermes

FAQ

Frequently asked questions

With a standalone Formilla MCP server, the agents and LLMs can only access a fixed set of Formilla tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Formilla and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork 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 Formilla tools.

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

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