Cardly MCP server for AI agents and assistants

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Cardly MCP or direct API to send personalized cards, automate mail campaigns, track delivery status, and manage customer outreach through natural language.

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Api Key

Cardly is a platform for creating and sending personalized direct mail to customers. It helps businesses break through the digital clutter by getting real engagement via physical mailboxes.

29 Tools

Try Cardly now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

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

Create Contact List

Tool to add a new contact list.

Create Invitation

Tool to send an invitation to use your organisation portal.

Create Webhook

Tool to create a new webhook subscription.

Delete Invitation

Tool to delete an invitation by unique ID, immediately invalidating it for acceptance.

Delete Invitation by Email

Deletes a pending invitation by email address, immediately invalidating it and preventing acceptance.

Delete User

Tool to delete a user by unique ID, immediately revoking their access to your organisation portal.

Delete User by Email

Deletes a user by email address, immediately revoking their access to your organisation portal.

Delete Webhook

Tool to delete a webhook.

Echo Request

Tool to echo all request parameters, body, and headers for debugging purposes.

Generate Preview

Tool to generate a low-quality, watermarked preview document for a card.

Get Artwork

Tool to retrieve information on a specific piece of artwork by its unique ID.

Get Webhook

Tool to get details on an existing webhook.

List Artwork

Tool to retrieve the currently available artwork for your organisation.

List Contact Lists

Tool to retrieve all active contact lists for your organization.

List Credit History

Retrieves the account's credit transaction history showing all credits and debits.

List Doodles

Retrieve your currently available doodles from Cardly.

List Fonts

List available fonts for handwriting and text personalization in Cardly cards.

List Gift Credit History

Lists gift credit history records for your organization with pagination and optional time-based filtering.

List Invitations

Tool to retrieve active invitations for your organisation with optional filters.

List Media

Tool to retrieve the currently available media sizes for product artwork.

List Orders

Retrieves a paginated list of orders placed by your organization.

List Templates

Tool to retrieve your currently available templates from Cardly.

List Users

Tool to retrieve all users associated with your account.

List Webhooks

Retrieves all webhooks configured for your organization, including their status, target URLs, subscribed events, and delivery statistics.

List Writing Styles

Tool to list available writing styles.

Retrieve Account Balance

Tool to retrieve the current account and gift credit balances for your organisation.

Retrieve Order

Retrieves detailed information about a specific order by its ID.

Retrieve User

Retrieves detailed information about a specific user account by ID.

Update Webhook

Tool to update a webhook’s settings, including target URL and events.

SETUP GUIDE

Connect Cardly MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openai
Install the Composio SDK and your agent framework
2

Create a session with MCP enabled

typescript
import { Composio } from "@composio/core";

const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
  toolkits: ["cardly"],
  mcp: true,
});
Create a session scoped to Cardly and read its MCP URL and headers
3

Connect your agent to the MCP server

typescript
import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";

const client = await createMCPClient({
  transport: { type: "http", url: mcp.url, headers: mcp.headers },
});

const { text } = await generateText({
  model: openai("gpt-5.6-sol"),
  tools: await client.tools(),
  prompt: "Create a new contact list for holiday campaign",
  stopWhen: stepCountIs(10),
});

console.log(text);
await client.close();
Pass the session's MCP URL and headers to your agent and run a Cardly request
SETUP GUIDE

Connect Cardly API Tool with your Agent

1

Install Composio

typescript
npm install @composio/core @composio/openai openai
Install the Composio SDK, the OpenAI provider, and the OpenAI SDK
2

Create a Composio session

typescript
import OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";

const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();

const session = await composio.create("your-user-id", { toolkits: ["cardly"] });
const tools = await session.tools();
Initialize Composio with the OpenAI Responses provider and create a session scoped to Cardly
3

Run Cardly tools with your agent

typescript
let response = await client.responses.create({
  model: "gpt-5.6-sol",
  tools,
  input: [{ role: "user", content: "Create a new contact list for holiday campaign" }],
});

while (response.output.some((o) => o.type === "function_call")) {
  const outputs = await composio.provider.handleToolCalls(session, response.output);
  response = await client.responses.create({
    model: "gpt-5.6-sol",
    tools,
    previous_response_id: response.id,
    input: outputs,
  });
}

console.log(response.output_text);
Send a request, execute the Cardly tool calls through the session, and print the final answer

Why Use Composio?

AI Native Cardly Integration

  • Supports both Cardly MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for sending, tracking, and managing Cardly mail campaigns

Managed Auth

  • Seamless API key handling with secure storage
  • Central place to manage, scope, and revoke Cardly credentials
  • No more hard-coded keys or scattered secrets

Agent Optimized Design

  • Tools fine-tuned for AI reliability and success
  • Comprehensive execution logs so you always know which mail went out and when

Enterprise Grade Security

  • Granular RBAC so you control which agents and users can access Cardly
  • Scoped, least privilege access to customer and campaign data
  • Full audit trail of who sent what, and when, for compliance

Rolling this out across your team?

Give your team centralized access control across every framework with Composio’s MCP Gateway.

EXPLORE MCP GATEWAY
FAQ

Frequently asked questions

Yes, Cardly requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Yes. Composio is SOC 2 Type II compliant and is built to keep your Cardly connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.

Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Create the key in your Cardly account settings, then paste it once on Composio's connection page. Composio stores it encrypted and uses it only for the Cardly actions your agent runs. Nobody else in your workspace can read it, and you can revoke it inside Cardly at any time.

When you connect a Cardly account through Composio, every action runs under that account, so anything the agent creates, sends, or changes shows up in Cardly as done by you. Keep an approval step in your prompt for actions with side effects, such as sending or deleting, and have the agent draft first.

Whatever the credentials you connect allow inside Cardly. If Cardly lets you scope a key to specific permissions, create a scoped one so the agent can only do what you intend. You can revoke the key inside Cardly at any time.

Yes. Composio supports multiple connected accounts for the same app, and that works in Claude, ChatGPT, or any other assistant you connect through Composio. Give each Cardly connection a name such as work or personal, and the assistant uses the one you mention in the request. Each account keeps its own credentials and nothing is merged.

The connection stops working the moment Cardly rejects the old key. Create a new key in Cardly and reconnect the account from the Composio dashboard or by asking your agent to reconnect Cardly. Nothing else changes.

Composio's free Hobby plan includes 100,000 tool calls per month with no credit card, which covers most personal Cardly use. Paid plans add higher limits and team features. Your Cardly plan and its API limits still apply as usual.

Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple Cardly accounts).

With Composio, you connect Cardly once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.

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