How to integrate Ntfy MCP with Atomic Agent

Connect Atomic Agent to Ntfy MCP. Send push notification for build failures, notify me of high-priority alerts, and more using natural language, with authentication handled for you.

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Ntfy is a notification service to send push messages to phones or desktops. Instantly deliver alerts and updates to users, devices, or teams.

22 Tools

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 Ntfy.

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 Ntfy account. See the Atomic Agent documentation for installation instructions.

Also integrate Ntfy with

How Atomic Agent connects to Ntfy

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 Ntfy to Atomic Agent

  1. Sign up or sign in to the Composio dashboard. Copy your API key.
  2. 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.
  3. Ask Atomic Agent to do something in Ntfy. It searches Composio for the right tool.
  4. On first use, open the sign-in link returned in the chat. Connect your Ntfy 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 Ntfy MCP server, and what's possible with it?

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

Use Ntfy from Atomic Agent

With your account connected, ask Atomic Agent to work with Ntfy in natural language. You can connect more apps through the same Composio integration as you need them.

Visit the Atomic Agent website or inspect the Atomic Agent source code.

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 for the current limits that apply to your connection.

TOOLS

Supported Tools

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

Create NTFY Account

Tool to register a new user account on ntfy.

Create Web Push Subscription

Tool to register a web push subscription for browser notifications.

Delete Web Push Subscription

Tool to unregister a web push subscription from the ntfy server.

Fetch Cached Messages

Tool to fetch cached messages from a ntfy topic.

Fetch Latest Message from Topic

Tool to fetch the most recent message from a topic's cache.

Fetch Scheduled Messages

Tool to fetch messages scheduled for later delivery from a topic.

Get Account Information

Tool to retrieve account data for authenticated user or anonymous user.

Get Server Statistics

Tool to retrieve server statistics including message counts and publishing rates.

Get Service Tiers

Tool to list all available ntfy service tiers with their limits and features.

Get File Attachment Metadata

Tool to get file attachment metadata from a message without downloading the file content.

Check NTFY Service Health

Tool to check the health status of the ntfy service.

Poll Messages from Topic

Tool to poll for messages from an ntfy topic without maintaining a long-standing connection.

Publish Message as JSON to NTFY

Tool to publish messages as JSON to ntfy.

Publish Message to Topic

Tool to publish a message to a ntfy topic.

Publish Message to Topic (PUT)

Tool to publish a message to a topic using PUT method.

Publish Message via GET

Tool to publish messages to ntfy via GET request with URL parameters.

Send Message via Webhook

Tool to send messages via webhook endpoint using simple GET request.

Subscribe to NTFY Topic with Filters

Tool to subscribe to a ntfy topic with filters based on message fields (id, message, title, priority, tags).

Subscribe to Topic (JSON Stream)

Tool to subscribe to a ntfy topic and receive messages as JSON stream.

Subscribe to Multiple NTFY Topics

Tool to subscribe to multiple ntfy topics simultaneously using comma-separated topic list.

Subscribe to Topic (Raw Stream)

Tool to subscribe to a topic and receive message bodies as raw text stream.

Trigger NTFY Webhook

Tool to trigger a webhook to publish a message to an ntfy topic via simple HTTP GET request.

FAQ

Frequently asked questions

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

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 Ntfy tools.

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

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