How to connect Lusha to Claude Cowork

Connect Claude Cowork to Lusha MCP. Enrich prospects from target company list, find verified emails for sales leads, and more using natural language, with authentication handled for you.

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Lusha is a B2B contact enrichment and prospecting platform for verified emails, phone numbers, and company data. It helps sales and go-to-market teams find accurate lead information faster.

7 Tools

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Lusha account to Cowork via Composio Connect, enabling it to enrich prospects from target company list, find verified emails for sales leads, get phone numbers for decision-makers, and more such actions on your behalf without compromising your account security.

Also integrate Lusha with

Codex

Connecting Lusha to Claude 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 Cowork

4. Connect your Lusha account

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

For example, ask Cowork to:

  • "Enrich prospects from target company list"
  • "Find verified emails for sales leads"
  • "Get phone numbers for decision-makers"

It will prompt you to authenticate and authorize access.

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

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Lusha through MCP without you sharing account credentials directly with the agent.

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

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

TOOLS

Supported Tools

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

Create Subscription

Tool to create one or more webhook subscriptions for real-time signal notifications.

Delete Subscriptions

Delete one or more webhook subscriptions by their IDs.

Get Audit Logs

Retrieve audit logs for your account including API calls and webhook deliveries.

Get Audit Log Stats

Retrieve aggregated statistics for audit logs.

Get Subscription

Tool to get details of a specific webhook subscription by ID.

List Subscriptions

List all webhook subscriptions for your account with pagination support.

Update Subscription

Update an existing webhook subscription configuration.

FRAMEWORKS

How to build Lusha MCP Agent with another framework

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Codex

Use Lusha MCP with Codex

FAQ

Frequently asked questions

With a standalone Lusha MCP server, the agents and LLMs can only access a fixed set of Lusha tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Lusha 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 Lusha tools.

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

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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.

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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.

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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.

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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.

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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.

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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.

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Co-Founder, Ingram Technologies