How to integrate Hex MCP with Claude Code

Manage your Hex directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns. You can do this in two different ways: Via Composio Connect - Direct and easiest approach Via Composio SDK - Programmatic approach with more control

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Api Key

Hex is a collaborative data workspace for SQL, Python, and R notebooks. It helps teams build analytics, data apps, and data science workflows together.

32 Tools

Introduction

Manage your Hex directly from Claude Code with zero worries about OAuth hassles, API-breaking issues, or reliability and security concerns.

You can do this in two different ways:

  1. Via Composio Connect - Direct and easiest approach
  2. Via Composio SDK - Programmatic approach with more control

Also integrate Hex with

Why use Composio?

  • Only one MCP URL to connect multiple apps with Claude Code with zero auth hassles.
  • Programmatic tool calling allows LLMs to write its code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Handling Large tool responses out of LLM context to minimize context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so LLMs aren't overwhelmed by tools you don't need.

Connecting Hex to Claude Code using Composio

1. Add the Composio MCP to Claude

Terminal

2. Start Claude Code

bash
claude

3. Open your MCP list

bash
/mcp

4. Select Composio and click on Authenticate

Select Composio and click Authenticate

5. This will redirect you to the Composio OAuth page. Complete the flow by authorizing Composio and you're all set.

Composio OAuth authorization page
Composio authorization complete
Ask Claude to connect to your account and authenticate via the link

What is the Hex MCP server, and what's possible with it?

The Hex MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Hex account. It provides structured and secure access to your projects, notebook cells, runs, collections, guides, users, and groups, so your agent can manage projects, edit notebook cells, run analyses, organize workspace content, and administer access on your behalf.

  • Project discovery and review: Have your agent list viewable Hex projects and retrieve project details for quick workspace research.
  • Notebook cell management: Direct your agent to list, create, update, or delete cells in the draft version of a Hex project.
  • Project runs and monitoring: Let the agent run the latest published version of a project, review its recent runs, and check a specific run's status.
  • Workspace organization: Instruct your agent to list or create collections and create, update, or delete guide drafts.
  • User and group administration: Have your agent list workspace users and groups, edit group names or membership, delete groups, and deactivate users.

Connecting Hex via Composio SDK

Composio SDK is the underlying tech that powers Rube. It's a universal gateway that does everything Rube does but with much more programmatic control. You can programmatically generate an MCP URL with the app you need (here Hex) for even more tool search precision. It's secure and reliable.

How the Composio SDK works

The Composio SDK follows a three-phase workflow:

  1. Discovery: Searches for tools matching your task and returns relevant toolkits with their details.
  2. Authentication: Checks for active connections. If missing, creates an auth config and returns a connection URL via Auth Link.
  3. Execution: Executes the action using the authenticated connection.

Step-by-step Guide

Step by step10 STEPS
1

Prerequisites

Before starting, make sure you have:
  • Claude Pro, Max, or API billing enabled Anthropic account
  • Composio API Key
  • A Hex account
  • Basic knowledge of Python or TypeScript
2

Install Claude Code

bash
# macOS, Linux, WSL
curl -fsSL https://claude.ai/install.sh | bash

# Windows PowerShell
irm https://claude.ai/install.ps1 | iex

# Windows CMD
curl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmd

To install Claude Code, use one of the following methods based on your operating system:

3

Set up Claude Code

bash
cd your-project-folder
claude

Open a terminal, go to your project folder, and start Claude Code:

  • Claude Code will open in your terminal
  • Follow the prompts to sign in with your Anthropic account
  • Complete the authentication flow
  • Once authenticated, you can start using Claude Code
Claude Code initial setup showing sign-in prompt
Claude Code terminal after successful login
4

Set up environment variables

bash
COMPOSIO_API_KEY=your_composio_api_key_here
USER_ID=your_user_id_here

Create a .env file in your project root with the following variables:

  • COMPOSIO_API_KEY authenticates with Composio (get it from Composio dashboard)
  • USER_ID identifies the user for session management (use any unique identifier)
5

Install Composio library

npm install @composio/core dotenv

Install the Composio TypeScript library to create MCP sessions.

  • @composio/core provides the core Composio functionality
  • dotenv loads environment variables from your .env file
6

Generate Composio MCP URL

import 'dotenv/config';
import { Composio } from '@composio/core';

const { COMPOSIO_API_KEY, USER_ID } = process.env;

if (!COMPOSIO_API_KEY || !USER_ID) {
  throw new Error('COMPOSIO_API_KEY and USER_ID required in .env');
}

const composioClient = new Composio({ apiKey: COMPOSIO_API_KEY });

const composioSession = await composioClient.create(USER_ID, {
  toolkits: ['hex'],
});

const composioMcpUrl = composioSession?.mcp.url;

console.log(`MCP URL: ${composioMcpUrl}`);
console.log(`\nUse this command to add to Claude Code:`);
console.log(`claude mcp add --transport http hex-composio "${composioMcpUrl}" --headers "X-API-Key:${COMPOSIO_API_KEY}"`);

Create a script to generate a Composio MCP URL for Hex. This URL will be used to connect Claude Code to Hex.

What's happening

  • We import the Composio client and load environment variables
  • Create a Composio instance with your API key
  • Call create() to create a Tool Router session for Hex
  • The returned mcp.url is the MCP server URL that Claude Code will use
  • The script prints this URL so you can copy it
7

Run the script and copy the MCP URL

node --loader ts-node/esm generate_mcp_url.ts
# or if using tsx
tsx generate_mcp_url.ts

Run your TypeScript script to generate the MCP URL.

  • The script connects to Composio and creates a Tool Router session
  • It prints the MCP URL and the exact command you need to run
  • Copy the entire claude mcp add command from the output
8

Add Hex MCP to Claude Code

bash
claude mcp add --transport http hex-composio "YOUR_MCP_URL_HERE" --headers "X-API-Key:YOUR_COMPOSIO_API_KEY"

# Then restart Claude Code
exit
claude

In your terminal, add the MCP server using the command from the previous step. The command format is:

  • claude mcp add registers a new MCP server with Claude Code
  • --transport http specifies that this is an HTTP-based MCP server
  • The server name (hex-composio) is how you'll reference it
  • The URL points to your Composio Tool Router session
  • --headers includes your Composio API key for authentication

After running the command, close the current Claude Code session and start a new one for the changes to take effect.

9

Verify the installation

bash
claude mcp list

Check that your Hex MCP server is properly configured.

  • This command lists all MCP servers registered with Claude Code
  • You should see your hex-composio entry in the list
  • This confirms that Claude Code can now access Hex tools

If everything is wired up, you should see your hex-composio entry listed:

Claude Code MCP list showing the toolkit MCP server
10

Authenticate Hex

The first time you try to use Hex tools, you'll be prompted to authenticate.

  • Claude Code will detect that you need to authenticate with Hex
  • It will show you an authentication link
  • Open the link in your browser (or copy/paste it)
  • Complete the Hex authorization flow
  • Return to the terminal and start using Hex through Claude Code

Once authenticated, you can ask Claude Code to perform Hex operations in natural language. For example:

  • "List recent Hex analytics projects"
  • "Run weekly revenue Hex project"
  • "Check latest Hex project status"

Complete Code

Here's the complete code to get you started with Hex and Claude Code:

import 'dotenv/config';
import { Composio } from '@composio/core';

const { COMPOSIO_API_KEY, USER_ID } = process.env;

if (!COMPOSIO_API_KEY || !USER_ID) {
  throw new Error('COMPOSIO_API_KEY and USER_ID required in .env');
}

const composioClient = new Composio({ apiKey: COMPOSIO_API_KEY });

const composioSession = await composioClient.create(USER_ID, {
  toolkits: ['hex'],
});

const composioMcpUrl = composioSession?.mcp.url;

console.log(`MCP URL: ${composioMcpUrl}`);
console.log(`\nUse this command to add to Claude Code:`);
console.log(`claude mcp add --transport http hex-composio "${composioMcpUrl}" --headers "X-API-Key:${COMPOSIO_API_KEY}"`);

Conclusion

You've successfully integrated Hex with Claude Code using Composio's MCP server. Now you can interact with Hex directly from your terminal using natural language commands.

Key features of this setup:

  • Terminal-native experience without switching contexts
  • Natural language commands for Hex operations
  • Secure authentication through Composio's managed MCP
  • Tool Router for dynamic tool discovery and execution

Next steps:

  • Try asking Claude Code to perform various Hex operations
  • Add more toolkits to your Tool Router session for multi-app workflows
  • Integrate this setup into your development workflow for increased productivity

You can extend this by adding more toolkits, implementing custom workflows, or building automation scripts that leverage Claude Code's capabilities.

TOOLS

Supported Tools

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

Cancel Run

Tool to cancel a project run that is in progress.

Create Cell

Tool to create a new cell in the draft version of a Hex project.

Create Collection

Tool to create a new collection in the Hex workspace.

Create Group

Tool to create a new group in the Hex workspace.

Deactivate User

Deactivates a user in the Hex workspace.

Delete Cell

Permanently delete a cell from the draft version of a project.

Delete Group

Deletes a group from the Hex workspace.

Delete Guide Draft

Deletes a guide draft by ID from Hex.

Edit Collection

Tool to edit a collection's name, description, and sharing settings in Hex.

Edit Group

Tool to edit a group's name and/or members in Hex.

Edit Project Sharing Collections

Tool to add a project to collections or remove it from collections.

Edit Project Sharing Groups

Tool to edit project sharing settings for groups in Hex.

Edit Project Sharing Settings

Tool to edit project sharing settings for workspace members and public web access.

Edit Project Sharing Users

Tool to edit project sharing settings for individual users in Hex.

Get Cell

Tool to get a single cell by ID from the draft version of a Hex project.

Get collection

Tool to get information about a specific collection in Hex.

Get Group

Tool to retrieve information about a specific Hex group.

Get Project

Tool to get metadata about a single Hex project.

Get Project Runs

Tool to retrieve the status of API-triggered runs for a specific Hex project.

Get Run Chart Image

Tool to retrieve a rendered chart image from a Hex project run.

Get Run Status

Tool to retrieve the status of a specific Hex project run.

List Cells

Tool to list all cells from the draft version of a Hex project.

List Collections

Tool to retrieve all collections in the workspace with pagination support.

List Data Connections

Tool to list all data connections in the Hex workspace with pagination support.

List groups

Tool to list all groups in the Hex workspace with pagination support.

List Hex Projects

Tool to list all viewable Hex projects with pagination and filtering support.

List Users

Tool to list all users in the Hex workspace with pagination support.

Publish Guide Drafts

Tool to publish all currently drafted guides or specific guides by ID.

Run Project

Tool to trigger a run of the latest published version of a Hex project.

Update Cell

Tool to update a cell's source code and/or data connection in Hex.

Update Project Status

Tool to add or remove a status (including endorsements) from a Hex project.

Upsert Guide Draft

Tool to update or create guide drafts by filePath.

FAQ

Frequently asked questions

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

Yes, you can. Claude Code 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 Hex tools.

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

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