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MCP server · Communication

Pusher Channels

· github.com/CrashBytes/pusher-mcp-server

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

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Scored 6 months ago · breakdown

About Pusher Channels

Pusher Channels is an MCP server in the Communication category: trigger events, query channels, and manage realtime messaging on Pusher Channels.

Install

Claude Code
claude mcp add pusher-channels -- npx -y @crashbytes/pusher-mcp-server
npx
npx -y @crashbytes/pusher-mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (7)

authorize_channelGenerate auth tokens for private/presence channels

Parameters not published.

get_channel_infoGet subscription/user count for a channel

Parameters not published.

get_presence_usersList users connected to a presence channel

Parameters not published.

list_channelsList active channels with optional prefix filter

Parameters not published.

terminate_user_connectionsDisconnect all connections for a user

Parameters not published.

trigger_batch_eventsSend up to 10 events in a single API call

Parameters not published.

trigger_eventSend an event to one or more channels

Parameters not published.

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README

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

Tool Description
trigger_event Send an event to one or more channels
trigger_batch_events Send up to 10 events in a single API call
list_channels List active channels with optional prefix filter
get_channel_info Get subscription/user count for a channel
get_presence_users List users connected to a presence channel
authorize_channel Generate auth tokens for private/presence channels
terminate_user_connections Disconnect 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:

Variable Description
PUSHER_APP_ID Your Pusher app ID
PUSHER_KEY Your Pusher app key
PUSHER_SECRET Your Pusher app secret
PUSHER_CLUSTER Your 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

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About Pusher Channels

How do I install Pusher Channels?

Run claude mcp add pusher-channels -- npx -y @crashbytes/pusher-mcp-server, then add the server to your MCP client's configuration.

Is Pusher Channels safe to use with an AI agent?

Its trust score is 37 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Pusher Channels still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.