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PopNx MCPMCP servers for people who use AI · explained in plain words

Pusher Channels

by CrashBytesversion 1.0.3i★ –iRuns on your computer
Registry nameio.github.CrashBytes/pusher-mcp-server

Install

Overview

Description from the maker (original English)

Trigger events, query channels, and manage realtime messaging on Pusher Channels.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Other
  • You need to fill in: PUSHER_APP_ID, PUSHER_KEY, PUSHER_SECRET, PUSHER_CLUSTER

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: PUSHER_APP_ID, PUSHER_KEY, PUSHER_SECRET, PUSHER_CLUSTER

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "pusher": {
      "command": "npx",
      "args": [
        "-y",
        "@crashbytes/pusher-mcp-server"
      ],
      "env": {
        "PUSHER_APP_ID": "your-value",
        "PUSHER_KEY": "your-value",
        "PUSHER_SECRET": "your-value",
        "PUSHER_CLUSTER": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add pusher --env PUSHER_APP_ID=your-value --env PUSHER_KEY=your-value --env PUSHER_SECRET=your-value --env PUSHER_CLUSTER=your-value -- npx -y @crashbytes/pusher-mcp-server

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "pusher": {
      "command": "npx",
      "args": [
        "-y",
        "@crashbytes/pusher-mcp-server"
      ],
      "env": {
        "PUSHER_APP_ID": "your-value",
        "PUSHER_KEY": "your-value",
        "PUSHER_SECRET": "your-value",
        "PUSHER_CLUSTER": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "pusher": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@crashbytes/pusher-mcp-server"
      ],
      "env": {
        "PUSHER_APP_ID": "your-value",
        "PUSHER_KEY": "your-value",
        "PUSHER_SECRET": "your-value",
        "PUSHER_CLUSTER": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • PUSHER_APP_ID required env
    Your Pusher application ID
  • PUSHER_KEY required env
    Your Pusher application key
  • PUSHER_SECRET secret required env
    Your Pusher application secret
  • PUSHER_CLUSTER required env
    Pusher cluster region (e.g. us2, eu, ap1)

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account CrashBytes, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

  • More stars than 0% of the other 32564 servers in this category
  • Published to the registry more recently than 2% of the other 32564 servers in this category
  • Basic checks equal to or better than 100% of the other 32564 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Pusher Channels safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: PUSHER_APP_ID, PUSHER_KEY, PUSHER_SECRET, PUSHER_CLUSTER

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.3) reached the registry 9 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Tools MCP

Alternatives

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Pusher Channels MCP Server

An MCP (Model Context Protocol) server that gives AI agents the ability to send realtime messages, query channels, and manage users through Pusher Channels.

Tools

ToolDescription
trigger_eventSend an event to one or more channels
trigger_batch_eventsSend up to 10 events in a single API call
list_channelsList active channels with optional prefix filter
get_channel_infoGet subscription/user count for a channel
get_presence_usersList users connected to a presence channel
authorize_channelGenerate auth tokens for private/presence channels
terminate_user_connectionsDisconnect all connections for a user

Prerequisites

Installation

npm install -g @crashbytes/pusher-mcp-server

Or clone and build from source:

git clone https://github.com/CrashBytes/pusher-mcp-server.git

cd pusher-mcp-server npm install npm run build

Configuration

You need four environment variables from your Pusher dashboard:

VariableDescription
PUSHER_APP_IDYour Pusher app ID
PUSHER_KEYYour Pusher app key
PUSHER_SECRETYour Pusher app secret
PUSHER_CLUSTERYour Pusher cluster (e.g. us2, eu, ap1)

Usage with Claude Desktop

Add the following to your Claude Desktop config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{

"mcpServers": { "pusher": { "command": "node", "args": ["/path/to/pusher-mcp-server/build/index.js"], "env": { "PUSHER_APP_ID": "your_app_id", "PUSHER_KEY": "your_app_key", "PUSHER_SECRET": "your_app_secret", "PUSHER_CLUSTER": "us2" } } } }

If installed globally via npm:

{

"mcpServers": { "pusher": { "command": "pusher-mcp-server", "env": { "PUSHER_APP_ID": "your_app_id", "PUSHER_KEY": "your_app_key", "PUSHER_SECRET": "your_app_secret", "PUSHER_CLUSTER": "us2" } } } }

Usage with Claude Code

claude mcp add pusher -- node /path/to/pusher-mcp-server/build/index.js

Set the environment variables in your shell before running, or configure them in your Claude Code MCP settings.

Example Prompts

Once configured, you can ask Claude things like:

  • "Send a 'deploy-complete' event to the notifications channel with the message 'v2.1.0 deployed'"
  • "Show me all active presence channels"
  • "How many users are on the presence-lobby channel?"
  • "Disconnect user abc123 from all channels"

Development

npm install

npm run dev # Run with tsx (hot reload) npm run build # Compile TypeScript npm run type-check # Check types without emitting

Tutorial

For a step-by-step guide on building this server from scratch, see the full tutorial on CrashBytes.

License

MIT

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