# How to integrate Stytch MCP with Atomic Agent

```json
{
  "title": "How to integrate Stytch MCP with Atomic Agent",
  "toolkit": "Stytch MCP",
  "toolkit_slug": "stytch_mcp",
  "framework": "Atomic Agent",
  "framework_slug": "atomic-agent",
  "url": "https://composio.dev/toolkits/stytch_mcp/framework/atomic-agent",
  "markdown_url": "https://composio.dev/toolkits/stytch_mcp/framework/atomic-agent.md",
  "updated_at": "2026-09-07T05:34:37.382Z"
}
```

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

## Also integrate Stytch MCP with

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

## TL;DR

### How Atomic Agent connects to Stytch
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 Stytch MCP to Atomic Agent

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

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

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `STYTCH_MCP_CREATE_EMAIL_TEMPLATE` | Createemailtemplate | Creates an custom email template for the project. Either prebuiltCustomization or customHtmlCustomization is required. If Custom HTML is used, it must contain a {{magic_link_url}} placeholder for the magic link. |
| `STYTCH_MCP_CREATE_PROJECT` | Createproject | Create new Stytch Project |
| `STYTCH_MCP_CREATE_PUBLIC_TOKEN` | Createpublictoken | Creates a public token for a project |
| `STYTCH_MCP_CREATE_REDIRECT_URL` | Createredirecturl | Create a redirect URL for your project |
| `STYTCH_MCP_CREATE_SECRET` | Createsecret | Create a new secret for a project |
| `STYTCH_MCP_DELETE_EMAIL_TEMPLATE` | Deleteemailtemplate | Delete a specific email template for a project |
| `STYTCH_MCP_DELETE_PUBLIC_TOKEN` | Deletepublictoken | Delete a specific public token for a project |
| `STYTCH_MCP_DELETE_REDIRECT_URL` | Deleteredirecturl | Delete a redirect URL for a project |
| `STYTCH_MCP_DELETE_SECRET` | Deletesecret | Delete a specific secret for a project |
| `STYTCH_MCP_GET_ALL_EMAIL_TEMPLATES` | Getallemailtemplates | Retrieve all email templates for a project |
| `STYTCH_MCP_GET_ALL_PUBLIC_TOKENS` | Getallpublictokens | Retrieve all active public tokens for a project |
| `STYTCH_MCP_GET_ALL_REDIRECT_UR_LS` | Getallredirecturls | Retrieve all redirect URLs for a project |
| `STYTCH_MCP_GET_B2_BSDK_CONFIG` | Getb2bsdkconfig | Retrieves the SDK Configuration for a B2B project |
| `STYTCH_MCP_GET_CONSUMER_SDK_CONFIG` | Getconsumersdkconfig | Retrieves the SDK Configuration for a Consumer project |
| `STYTCH_MCP_GET_PASSWORD_STRENGTH_CONFIG` | Getpasswordstrengthconfig | Retrieve the password strength configuration for a project |
| `STYTCH_MCP_LIST_PROJECTS` | Listprojects | List all Stytch Projects |
| `STYTCH_MCP_SET_PASSWORD_STRENGTH_CONFIG` | Setpasswordstrengthconfig | Set the password strength configuration for a project |
| `STYTCH_MCP_UPDATE_B2_BSDK_CONFIG` | Updateb2bsdkconfig | Updates the SDK Configuration for a B2B project. This is a DANGEROUS method - when calling this method always call getB2BSDKConfig first to get the current config and then pass the entire config object to this method to avoid overwriting changes unintentionally. |
| `STYTCH_MCP_UPDATE_CONSUMER_SDK_CONFIG` | Updateconsumersdkconfig | Updates the SDK Configuration for a Consumer project. This is a DANGEROUS method - when calling this method always call getConsumerSDKConfig first to get the current config and then pass the entire config object to this method to avoid overwriting changes unintentionally. |
| `STYTCH_MCP_UPDATE_EMAIL_TEMPLATE` | Updateemailtemplate | Update an email template for a project. Either prebuiltCustomization or customHtmlCustomization is required. If Custom HTML is used, it must contain a {{magic_link_url}} placeholder for the magic link. |
| `STYTCH_MCP_UPDATE_REDIRECT_URL` | Updateredirecturl | Update valid types for a redirect URL for a project |

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

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

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## Frequently Asked Questions

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

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

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

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

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