How to integrate Pushover MCP with Codex

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Introduction

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Pushover MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.

Also integrate Pushover with

Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • CodeAct: A dedicated workbench that allows GPT to write its code to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool responses: Handle them to minimise context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so GPTs aren't overwhelmed by tools you don't need.

How to install Pushover MCP in Codex

Run the setup command

Run this command in your terminal to add the Composio MCP server to Codex.

Terminal

It will initiate the authentication in a browser window, authorize Codex to access your Composio account.

Composio authentication page

(Optional) Authenticate with OAuth

To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.

bash
codex mcp login composio

Verify the connection

Run codex mcp list to confirm Composio appears as a registered MCP server.

bash
codex mcp list

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
  2. Fill the header and Key fields with { "x-consumer-api-key" = "ck_*******" }.
  3. The Key is the Composio API key, that you can find on dashboard.composio.dev
  4. Click on Authenticate and authorize Codex to your Composio account and you're all set.
Codex App MCP setup
  1. Restart and verify if it's there in .codex/config.toml
bash
[mcp_servers.composio]
url = "https://connect.composio.dev/mcp"
http_headers = { "x-consumer-api-key" = "ck_*******" }

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

The Pushover MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Pushover account. It provides structured and secure access to your notification system, so your agent can send instant alerts, deliver custom messages, manage notification priorities, and automate device notifications on your behalf.

  • Instant push notifications: Have your agent send real-time alerts to your devices for important events, tasks, or reminders.
  • Custom message delivery: Allow your agent to craft and deliver personalized notifications with specific titles, messages, and sounds.
  • Priority and sound control: Let the agent set notification priority levels and choose custom sounds to ensure the right alerts stand out.
  • Device targeting: Direct your agent to send notifications to specific devices or user groups for tailored communication.
  • Automated workflow integration: Seamlessly trigger Pushover alerts from other automated tasks or events managed by your agent, keeping you informed in real-time.

Supported Tools & Triggers

Tools
Cancel Receipt RetriesTool to cancel further retries for an emergency-priority message before its expiry.
Cancel Retries by TagTool to cancel retries for all active emergency-priority Pushover messages matching a specific tag.
Client Acknowledge Delete Up To IDTool to delete/acknowledge device messages up to a specific message ID.
Fetch Pending MessagesTool to download pending messages for a registered device.
Pushover Client LoginTool to authenticate a Pushover user by email and password.
Client Realtime WebSocket ConnectionTool to establish a secure WebSocket connection for real-time message notifications.
Register Open Client DeviceTool to register an Open Client desktop device.
Get Application Icon ImageTool to fetch an application icon PNG by icon identifier.
Get App LimitsTool to retrieve the current monthly message limit, remaining messages, and reset time for a Pushover application.
Get Application TokenTool to fetch stored Pushover application API token.
Get Receipt StatusTool to poll the status of an emergency-priority notification receipt.
Get Team API TokenTool to fetch stored Pushover for Teams API token.
Glances UpdateTool to update a user's Glances widget data without sending a notification.
Add User to GroupTool to add an existing Pushover user to a delivery group.
Create GroupTool to create a new Delivery Group.
Disable Group UserTool to temporarily disable deliveries to a user or specific device within a Pushover group.
Group Enable UserTool to re-enable deliveries to a previously disabled user (or specific device) within a Pushover group.
Get Group DetailsTool to retrieve details for a Delivery Group.
List Delivery GroupsTool to list all Delivery Groups.
Remove User from GroupTool to remove a user (or optionally a specific device) from a Pushover delivery group.
Rename Delivery GroupTool to rename an existing Delivery Group.
Assign LicenseTool to assign a pre-paid license credit to a Pushover user by key or email.
Check License CreditsTool to retrieve remaining license credits for a Pushover application.
Send MessageTool to send a push notification with optional title, URL, priority, sound, attachments, and filters.
Store Team API TokenTool to securely store a Pushover for Teams API token.
Subscription FlowTool to validate and return a Pushover subscription code.
Add Team UserTool to add a user to a Pushover for Teams organization.
Remove User from TeamTool to remove a user from a Pushover for Teams organization.
Validate User or GroupTool to validate a Pushover user or group key for deliverability.

Conclusion

You've successfully integrated Pushover with Codex using Composio's MCP server. Now you can interact with Pushover directly from your terminal, VS Code, or the Codex App using natural language commands.

Key benefits of this setup:

  • Seamless integration across CLI, VS Code, and standalone app
  • Natural language commands for Pushover operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1000+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

  • Try asking Codex to perform various Pushover operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities

How to build Pushover MCP Agent with another framework

FAQ

What are the differences in Tool Router MCP and Pushover MCP?

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

Can I use Tool Router MCP with Codex?

Yes, you can. Codex 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 Pushover tools.

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

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

Used by agents from

Context
Letta
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HubSpot
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Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
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Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

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