# How to integrate LinkTwin MCP with Atomic Agent

```json
{
  "title": "How to integrate LinkTwin MCP with Atomic Agent",
  "toolkit": "LinkTwin",
  "toolkit_slug": "link_twin",
  "framework": "Atomic Agent",
  "framework_slug": "atomic-agent",
  "url": "https://composio.dev/toolkits/link_twin/framework/atomic-agent",
  "markdown_url": "https://composio.dev/toolkits/link_twin/framework/atomic-agent.md",
  "updated_at": "2026-08-29T05:40:17.868Z"
}
```

## Introduction

Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including LinkTwin.
This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a LinkTwin account. See the [Atomic Agent documentation](https://atomicagent.io/docs/?cta_placement=atomic-agent-docs) for installation instructions.

## Also integrate LinkTwin with

- [ChatGPT](https://composio.dev/toolkits/link_twin/framework/chatgpt)
- [Claude Cowork](https://composio.dev/toolkits/link_twin/framework/claude-cowork)
- [Hermes](https://composio.dev/toolkits/link_twin/framework/hermes-agent)

## TL;DR

### How Atomic Agent connects to LinkTwin
Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication.
Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account.

## Connect LinkTwin to Atomic Agent

### Connect LinkTwin to Atomic Agent
- Sign up or sign in to the [Composio dashboard](https://dashboard.composio.dev/?cta_placement=atomic-agent-api-key). Copy your API key.
- In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart.
- Ask Atomic Agent to do something in LinkTwin. It searches Composio for the right tool.
- On first use, open the sign-in link returned in the chat. Connect your LinkTwin account, then return to Atomic Agent to continue.
### Headless setup
Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file.

```bash
COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY
```

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

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

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `LINK_TWIN_CREATE_LINK` | Create Link | Create a shortened deep link with optional access limits, targeting, query parameters, and pixel or collection assignments. Free accounts can shorten only LinkTwin-approved destination domains and apps; arbitrary destination websites require a paid plan. |
| `LINK_TWIN_DELETE_LINK` | Delete Link | Permanently delete one shortened link by numeric ID. This destructive action removes the link and its redirect and cannot be undone; use it only when the caller explicitly intends permanent deletion. |
| `LINK_TWIN_GET_ACCOUNT_INFO` | Get Account Info | Return the connected LinkTwin account's plan, usage, timezone, and feature limits. Use this before creating or updating links when plan availability is uncertain. |
| `LINK_TWIN_GET_LINK` | Get Link | Return one shortened link's destination, targeting rules, assignments, access controls, and summary click analytics. |
| `LINK_TWIN_GET_LINK_ANALYTICS` | Get Link Analytics | Return detailed clicks, unique clicks, time series, and geography, referrer, browser, device, language, and city breakdowns for one link. Free accounts retain only 14 days of analytics. |
| `LINK_TWIN_LIST_COLLECTIONS` | List Collections | Return one page of link collections available for organizing or assigning shortened links. |
| `LINK_TWIN_LIST_DOMAINS` | List Domains | Return standard LinkTwin short domains and branded domains available to the connected account. Branded domains are disabled on Free accounts. |
| `LINK_TWIN_LIST_LINKS` | List Links | Return one filtered page of shortened links owned by the connected account, including destination URLs, click totals, and assignments. |
| `LINK_TWIN_LIST_PIXELS` | List Pixels | Return one page of tracking pixels available for assignment to shortened links. |
| `LINK_TWIN_UPDATE_LINK` | Update Link | Partially update a shortened link's destination, access limits, targeting, query parameters, or assignments. Only explicitly supplied fields are changed; replacement arrays overwrite the complete existing value. Changing the destination URL requires a paid LinkTwin plan. |

## Supported Triggers

None listed.

## Troubleshooting

### Why is my API key rejected?

Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying.

### Why are Composio tools unavailable after saving a key?

Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk.

### Does Composio have a free plan?

The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See [Composio pricing](/pricing) for the current limits that apply to your connection.

## Complete Code

None listed.

## Conclusion

### Use LinkTwin from Atomic Agent
With your account connected, ask Atomic Agent to work with LinkTwin in natural language. You can connect more apps through the same Composio integration as you need them.
Visit the [Atomic Agent website](https://atomicagent.io/?cta_placement=atomic-agent-site) or inspect the [Atomic Agent source code](https://github.com/AtomicBot-ai/atomic-agent?cta_placement=atomic-agent-repo).

## How to build LinkTwin MCP Agent with another framework

- [ChatGPT](https://composio.dev/toolkits/link_twin/framework/chatgpt)
- [Claude Cowork](https://composio.dev/toolkits/link_twin/framework/claude-cowork)
- [Hermes](https://composio.dev/toolkits/link_twin/framework/hermes-agent)

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- [Bitly](https://composio.dev/toolkits/bitly) - Bitly is a link management platform for shortening, customizing, sharing, and tracking links and QR codes. It helps teams create branded links and measure engagement across campaigns.
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## Frequently Asked Questions

### What are the differences in Tool Router MCP and LinkTwin MCP?

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

### Can I use Tool Router MCP with Atomic Agent?

Yes, you can. Atomic Agent 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 LinkTwin tools.

### Can I manage the permissions and scopes for LinkTwin while using Tool Router?

Yes, absolutely. You can configure which LinkTwin 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.

### How safe is my data with Composio Tool Router?

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 LinkTwin data and credentials are handled as safely as possible.

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