# How to integrate Lob MCP with Atomic Agent

```json
{
  "title": "How to integrate Lob MCP with Atomic Agent",
  "toolkit": "Lob",
  "toolkit_slug": "lob",
  "framework": "Atomic Agent",
  "framework_slug": "atomic-agent",
  "url": "https://composio.dev/toolkits/lob/framework/atomic-agent",
  "markdown_url": "https://composio.dev/toolkits/lob/framework/atomic-agent.md",
  "updated_at": "2026-08-11T13:04:34.575Z"
}
```

## 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 Lob.
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 Lob account. See the [Atomic Agent documentation](https://atomicagent.io/docs/?cta_placement=atomic-agent-docs) for installation instructions.

## Also integrate Lob with

- [OpenAI Agents SDK](https://composio.dev/toolkits/lob/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/lob/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/lob/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/lob/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/lob/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/lob/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/lob/framework/hermes-agent)
- [Google ADK](https://composio.dev/toolkits/lob/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/lob/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/lob/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/lob/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/lob/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/lob/framework/crew-ai)
- [Pydantic AI](https://composio.dev/toolkits/lob/framework/pydantic-ai)
- [AutoGen](https://composio.dev/toolkits/lob/framework/autogen)

## TL;DR

### How Atomic Agent connects to Lob
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 Lob to Atomic Agent

### Connect Lob 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 Lob. It searches Composio for the right tool.
- On first use, open the sign-in link returned in the chat. Connect your Lob 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 Lob MCP server, and what's possible with it?

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

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `LOB_CREATE_DOMAIN` | Create Domain | Tool to add a new custom domain for creating custom links. Use when you need to register a domain for short link customization. |
| `LOB_CREATE_LINK` | Create Link | Tool to create a shortened URL from a long URL using Lob's link shortening service. Use when you need to shorten a long URL either by using a custom domain or Lob's own short domain. |
| `LOB_DELETE_DOMAIN` | Delete Domain | Tool to delete a registered domain. Use only after confirming all associated links with the domain are deleted. |
| `LOB_DELETE_LINK` | Delete Link | Tool to delete a shortened link. Use when you need to remove a previously created short link from the system. |
| `LOB_DELETE_UPLOAD` | Delete Upload | Tool to delete an existing upload by its unique identifier. Use when you need to permanently remove an upload and its associated data. |
| `LOB_GET_DOMAIN` | Get Domain | Tool to retrieve details for a single domain from Lob. Use when you need to get configuration status, redirect links, or other metadata for a specific domain. |
| `LOB_GET_LINK` | Get Link | Tool to retrieve a single shortened link. Use when you need to fetch details about a specific link by its ID. |
| `LOB_LIST_DOMAINS` | List Domains | Tool to retrieve a list of all created domains. Use when you need to view or manage custom domains configured for URL shortening. Supports pagination and filtering by configuration status. |
| `LOB_LIST_SHORTENED_LINKS` | List Shortened Links | Tool to retrieve a list of shortened links. The list is sorted by creation date, with the most recently created appearing first. Use when you need to view all links or filter by campaign or domain. |
| `LOB_LIST_QR_CODE_ANALYTICS` | List QR Code Analytics | Tool to retrieve a list of your QR codes and their analytics data. The QR codes are returned sorted by scan date, with the most recently scanned QR codes appearing first. |
| `LOB_LIST_UPLOADS` | List Uploads | Tool to list uploads from Lob. Use when you need to retrieve all uploads or filter uploads by campaign ID. |
| `LOB_UPDATE_LINK` | Update Link | Tool to update any properties of a shortened link. Use when you need to modify the redirect URL, title, or metadata of an existing Lob shortened link. Requires the link_id and at least the redirect_link to update. |
| `LOB_VALIDATE_IDENTITY` | Validate Identity | Tool to validate whether a given name is associated with an address. Use when you need to verify identity information by checking if a recipient name matches address records. |

## 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 Lob from Atomic Agent
With your account connected, ask Atomic Agent to work with Lob 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 Lob MCP Agent with another framework

- [OpenAI Agents SDK](https://composio.dev/toolkits/lob/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/lob/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/lob/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/lob/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/lob/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/lob/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/lob/framework/hermes-agent)
- [Google ADK](https://composio.dev/toolkits/lob/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/lob/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/lob/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/lob/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/lob/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/lob/framework/crew-ai)
- [Pydantic AI](https://composio.dev/toolkits/lob/framework/pydantic-ai)
- [AutoGen](https://composio.dev/toolkits/lob/framework/autogen)

## Related Toolkits

- [Google Sheets](https://composio.dev/toolkits/googlesheets) - Google Sheets is a cloud-based spreadsheet tool for real-time collaboration and data analysis. It lets teams work together from anywhere, updating information instantly.
- [Notion](https://composio.dev/toolkits/notion) - Notion is a collaborative workspace for notes, docs, wikis, and tasks. It streamlines team knowledge, project tracking, and workflow customization in one place.
- [Airtable](https://composio.dev/toolkits/airtable) - Airtable combines the flexibility of spreadsheets with the power of a database for easy project and data management. Teams use Airtable to organize, track, and collaborate with custom views and automations.
- [Asana](https://composio.dev/toolkits/asana) - Asana is a collaborative work management platform for teams to organize and track projects. It streamlines teamwork, boosts productivity, and keeps everyone aligned on goals.
- [Google Tasks](https://composio.dev/toolkits/googletasks) - Google Tasks is a to-do list and task management tool integrated into Gmail and Google Calendar. It helps you organize, track, and complete tasks across your Google ecosystem.
- [Linear](https://composio.dev/toolkits/linear) - Linear is a modern issue tracking and project planning tool for fast-moving teams. It helps streamline workflows, organize projects, and boost productivity.
- [Jira](https://composio.dev/toolkits/jira) - Jira is Atlassian’s platform for bug tracking, issue tracking, and agile project management. It helps teams organize work, prioritize tasks, and deliver projects efficiently.
- [Clickup](https://composio.dev/toolkits/clickup) - ClickUp is an all-in-one productivity platform for managing tasks, docs, goals, and team collaboration. It streamlines project workflows so teams can work smarter and stay organized in one place.
- [Monday](https://composio.dev/toolkits/monday) - Monday.com is a customizable work management platform for project planning and collaboration. It helps teams organize tasks, automate workflows, and track progress in real time.
- [Addressfinder](https://composio.dev/toolkits/addressfinder) - Addressfinder is a data quality platform for verifying addresses, emails, and phone numbers. It helps you ensure accurate customer and contact data every time.
- [Agiled](https://composio.dev/toolkits/agiled) - Agiled is an all-in-one business management platform for CRM, projects, and finance. It helps you streamline workflows, consolidate client data, and manage business processes in one place.
- [AirOps MCP](https://composio.dev/toolkits/airops_mcp) - AirOps MCP is AirOps' managed content platform exposing brand context, knowledge bases, and workflows. Use it to give agents brand-aware content, automate content workflows, and track Brand Kit edits.
- [Amazing Marvin](https://composio.dev/toolkits/amazing_marvin) - Amazing Marvin is a personal productivity app for tasks, projects, habits, planning, time tracking, and rewards. It helps you build a flexible workflow that matches how you actually work.
- [AnyDB](https://composio.dev/toolkits/any_db) - AnyDB is a flexible collaborative database platform for organizing records, files, and automated workflows. It helps teams centralize data, collaborate on records, and automate routine tasks.
- [ApptiveGrid](https://composio.dev/toolkits/apptivegrid) - ApptiveGrid is a collaborative no-code database and app platform for spaces, grids, forms, and structured records. It helps teams organize operational data, collect inputs, and build lightweight business apps without custom backend work.
- [Ascora](https://composio.dev/toolkits/ascora) - Ascora is a cloud-based field service management platform for service businesses. It streamlines scheduling, invoicing, and customer operations in one place.
- [Atlassian MCP](https://composio.dev/toolkits/atlassian_mcp) - Atlassian Rovo MCP connects agents to Jira, Jira Service Management, Confluence, Bitbucket, Compass, and Teamwork Graph workflows. It lets teams surface and act on Atlassian data while respecting existing user permissions.
- [Basecamp](https://composio.dev/toolkits/basecamp) - Basecamp is a project management and team collaboration tool by 37signals. It helps teams organize tasks, share files, and communicate efficiently in one place.
- [Beeminder](https://composio.dev/toolkits/beeminder) - Beeminder is an online goal-tracking platform that uses monetary pledges to keep you motivated. Stay accountable and hit your targets with real financial incentives.
- [Boxhero](https://composio.dev/toolkits/boxhero) - Boxhero is a cloud-based inventory management platform for SMBs, offering real-time updates, barcode scanning, and team collaboration. It helps businesses streamline stock tracking and analytics for smarter inventory decisions.

## Frequently Asked Questions

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

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

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

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

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