How to connect E2b MCP with Cursor

How to integrate E2b MCP with Cursor Cursor is one of the leading AI-powered code editors. It is built to help developers write, understand, and refactor code faster with AI assistance built directly into the editor. And in this guide, I will explain the easiest and most secure way to connect your E2b account to Cursor via Composio Connect, so it can run a Python script to analyze CSV data, execute JavaScript code to validate user input, start a sandbox and list installed packages, and more without ever putting your account credentials at risk.

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E2b

Api Key

E2b is an open-source platform for running code in secure, sandboxed environments. It enables safe multi-language code execution for AI-powered apps.

27 Tools

Managed auth

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We manage OAuth, API keys, token refresh, and scopes — you just build.

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How to integrate E2b MCP with Cursor

Cursor is one of the leading AI-powered code editors. It is built to help developers write, understand, and refactor code faster with AI assistance built directly into the editor.

And in this guide, I will explain the easiest and most secure way to connect your E2b account to Cursor via Composio Connect, so it can run a Python script to analyze CSV data, execute JavaScript code to validate user input, start a sandbox and list installed packages, and more without ever putting your account credentials at risk.

Also integrate E2b with

ChatGPT OpenAI Agents SDK Claude Agent SDK Claude Code Claude Cowork Codex OpenCode VS Code OpenClaw Hermes CLI Google ADK LangChain Vercel AI SDK Mastra AI LlamaIndex CrewAI

Why Composio?

1,000+ SaaS toolkits out of the box. Skip the work of building and maintaining integrations, Composio gives you instant access to a vast catalog of pre-built connectors.
One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand. A remote CLI workbench lets LLMs compose these tools into workflows for complex automation.

Connect E2b to Cursor

Two ways to install — pick whichever you prefer.

1. Install with one click

Click the button below to add Composio to Cursor.

↗Install in Cursor

2. Or add manually

Add to your Cursor mcp.json

Open .cursor/mcp.json in your project root (or ~/.cursor/mcp.json for global config) and add the following configuration:

bash

{
  "servers": {
    "composio": {
      "type": "http",
      "url": "https://connect.composio.dev/mcp"
    }
  }
}

3. Authorize

Restart Cursor, then click "Connect" next to Composio in MCP Tools settings.

Cursor MCP Tools settings with Connect button next to Composio

A browser window will open to authorize.

Connect your E2b account

Back in Cursor, ask the agent to connect to E2b or give it any E2b-related task.

For example, ask it to:

"Run a Python script to analyze CSV data"
"Execute JavaScript code to validate user input"
"Start a sandbox and list installed packages"

It will prompt you to authenticate and authorize access to E2b.

That is it. Composio tools are now available in Cursor, and your E2b account is ready to use.

Conclusion

You have successfully connected E2b to Cursor using Composio Connect. Your agent can now use E2b securely without exposing credentials in prompts or local scripts.

TOOLS

Supported Tools

Every E2b action and event your agent gets out of the box.

Connect to Sandbox

Tool to connect to an existing E2B sandbox and retrieve its details.

Create Template

Tool to create a new E2B template with specified configuration.

Create Webhook

Tool to register a new webhook to receive sandbox lifecycle events for the team.

Delete Sandbox

Tool to terminate and permanently delete a running E2B sandbox instance.

Delete Webhook

Tool to unregister a webhook and stop receiving lifecycle events.

Check API Health

Tool to check the health status of the E2B API.

Get Sandbox

Tool to retrieve detailed information about a specific sandbox by its ID.

Get Sandbox Logs

Tool to retrieve logs from a specific E2B sandbox instance.

Get Sandbox Lifecycle Events

Tool to retrieve the latest lifecycle events for a particular sandbox instance.

Get Sandbox Metrics

Tool to retrieve timestamped CPU, memory, and disk usage metrics for a sandbox.

Get Team Metrics

Tool to retrieve timestamped CPU, memory, and disk usage metrics for a team.

Get Team Maximum Metrics

Tool to retrieve the maximum value for a specific team metric in a given interval.

Get Template Build Status

Tool to get the status of a template build.

Get Template Files

Tool to get an upload link for a tar file containing build layer files.

Get Webhook Configuration

Tool to retrieve the current webhook configuration for a specific webhook.

List All Sandboxes

Tool to list all running and paused sandboxes associated with your team.

List Sandboxes Metrics

Tool to retrieve timestamped CPU, memory, and disk usage metrics for multiple sandboxes.

List Team Sandbox Lifecycle Events

Tool to retrieve the latest lifecycle events across all sandboxes associated with the team.

List All Templates

Tool to list all available E2B templates for your team.

List All Webhooks

Tool to retrieve all registered webhooks for your team.

Pause Sandbox

Tool to pause a running E2B sandbox preserving its filesystem and memory state.

Create Sandbox

Tool to create a new E2B sandbox from a template.

Set Sandbox Timeout

Tool to set the timeout for an E2B sandbox.

Refresh Sandbox

Tool to refresh an E2B sandbox and extend its time to live.

Start Template Build

Tool to start a build for an E2B template.

Update Template

Tool to update an E2B template configuration.

Update Webhook Configuration

Tool to update an existing webhook configuration including URL, enabled status, and subscribed events.

FRAMEWORKS

How to build E2b MCP Agent with another framework

ChatGPT

Use E2b MCP with ChatGPT

OpenAI Agents SDK

Use E2b MCP with OpenAI Agents SDK

Claude Agent SDK

Use E2b MCP with Claude Agent SDK

Claude Code

Use E2b MCP with Claude Code

Claude Cowork

Use E2b MCP with Claude Cowork

Codex

Use E2b MCP with Codex

OpenClaw

Use E2b MCP with OpenClaw

Hermes

Use E2b MCP with Hermes

CLI

Use E2b MCP with CLI

Google ADK

Use E2b MCP with Google ADK

LangChain

Use E2b MCP with LangChain

Vercel AI SDK

Use E2b MCP with Vercel AI SDK

Mastra AI

Use E2b MCP with Mastra AI

LlamaIndex

Use E2b MCP with LlamaIndex

CrewAI

Use E2b MCP with CrewAI

OpenCode

Use E2b MCP with OpenCode

VS Code

Use E2b MCP with VS Code

MORE TOOLKITS

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Supabase

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Composio

No Auth

Composio is an integration platform that connects AI agents with hundreds of business tools. It streamlines authentication and lets you trigger actions across services—no custom code needed.

Codeinterpreter

No Auth

Codeinterpreter is a Python-based coding environment with built-in data analysis and visualization. It lets you instantly run scripts, plot results, and prototype solutions inside supported platforms.

GitHub

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GitHub is a code hosting platform for version control and collaborative software development. It streamlines project management, code review, and team workflows in one place.

FAQ

Frequently asked questions

With a standalone E2b MCP server, the agents and LLMs can only access a fixed set of E2b tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from E2b and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Cursor 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 E2b tools.

Yes, absolutely. You can configure which E2b 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 E2b data and credentials are handled as safely as possible.

Start with E2b.It takes 30 seconds.

Managed auth, hosted MCP servers, and every E2b tool your agent needs.Free to start.

Start building

Customer stories

Teams ship real agents on Composio

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Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati

Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya

Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave

CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu

Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola

Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche

Co-Founder, Ingram Technologies