How to connect CardClan to Claude Cowork

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 CardClan account to Cowork via Composio Connect, enabling it to create birthday card link for Sarah, send team farewell card to Alex, generate anniversary card for marketing team, and more such actions on your behalf without compromising your account security.

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CardClan is a digital card platform for creating and sending personalized team cards. Use it to celebrate moments, share card links, and manage card workflows without extra coordination.

9 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 CardClan account to Cowork via Composio Connect, enabling it to create birthday card link for Sarah, send team farewell card to Alex, generate anniversary card for marketing team, and more such actions on your behalf without compromising your account security.

Also integrate CardClan with

OpenAI Agents SDKClaude Agent SDKClaude CodeCodexOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Connecting CardClan 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 CardClan account

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

For example, ask Cowork to:

  • "Create birthday card link for Sarah"
  • "Send team farewell card to Alex"
  • "Generate anniversary card for marketing team"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your CardClan 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 CardClan through MCP without you sharing account credentials directly with the agent.

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

The CardClan MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your CardClan account. It provides structured and secure access to your digital cards, workspaces, sender accounts, and integration workflows, so your agent can find cards, inspect their requirements, create personalized links, configure integrations, and send cards on your behalf.

  • Card and workspace discovery: Have your agent list accessible workspaces and find the cards available within each one.
  • Card detail review: Let the agent check a card's title, personalization requirements, and owning workspace before using it.
  • Personalized card links: Direct your agent to generate a personalized viewing link for a recipient without sending an email.
  • Card sending: Instruct your agent to choose a configured sender account, personalize a card, and email it to one or more recipients.
  • Integration workflow management: Have your agent create or review card integration setups and list cards with active workflows.
TOOLS

Supported Tools

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

Create Integration Configuration

Create a persistent CardClan integration configuration linking a card to its workspace.

Generate Personalized Card URL

Generate a personalized CardClan viewing URL without sending an email.

Get Card Details

Get a CardClan card's title, merge-tag requirements, and owning workspace details by card ID.

Get Integration Configuration

Get a CardClan integration configuration by either integration ID or card ID.

List Cards

List cards in a CardClan workspace, including card IDs needed for details, integration configuration, personalized links, and sending.

List Email Accounts

List configured CardClan sender accounts that can be selected when sending a card.

List Workflow Cards

List cards with active CardClan integration workflows and return their integration, card, and workspace IDs.

List Workspaces

List CardClan workspaces accessible to the connected account, including the workspace IDs needed to find cards and create integration configurations.

Send Card

Immediately personalize and send a CardClan card by email to one or more recipients.

FRAMEWORKS

How to build CardClan MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use CardClan MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use CardClan MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use CardClan MCP with Claude Code

Codex logo

Codex

Use CardClan MCP with Codex

OpenClaw logo

OpenClaw

Use CardClan MCP with OpenClaw

Hermes logo

Hermes

Use CardClan MCP with Hermes

CLI logo

CLI

Use CardClan MCP with CLI

Google ADK logo

Google ADK

Use CardClan MCP with Google ADK

LangChain logo

LangChain

Use CardClan MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use CardClan MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use CardClan MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use CardClan MCP with LlamaIndex

CrewAI logo

CrewAI

Use CardClan MCP with CrewAI

FAQ

Frequently asked questions

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

Yes, absolutely. You can configure which CardClan 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 CardClan 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.

Harsha Gaddipati
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
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
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
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
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.

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Jerome Leclanche
Co-Founder, Ingram Technologies