What is the key difference between Pusher Channels and ARBuilder?

Pusher Channels belongs to the Communication category with local stdio execution, while ARBuilder belongs to the Communication category with local stdio execution.

How do I install Pusher Channels or ARBuilder in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Pusher Channels and ARBuilder free or paid?

Pusher Channels operates under a Free / Open Source model (No auth required). ARBuilder operates under a Freemium model (API Key required).

Which MCP server has more tools and community activity?

Pusher Channels lists 7 tools with 0 views and 3 GitHub stars. ARBuilder lists 19 tools with 2 views and 24 GitHub stars.

Can I use both Pusher Channels and ARBuilder together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Pusher Channels vs ARBuilder

In-depth architectural comparison of the Pusher Channels and ARBuilder MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Pusher Channels

Communication · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

ARBuilder

Communication · Local stdio

Quality: 56/100 (Good) | Auth: API Key required

Verdict Summary: Choose Pusher Channels if you need specialized Communication tools running via a local process. Choose ARBuilder if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Pusher Channels when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: trigger_event, trigger_batch_events, list_channels.

Explore Pusher Channels Details

Choose ARBuilder when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: ARBUILDER_API_KEY.
Primary tools included: get_stylus_context, generate_stylus_code, ask_stylus.

Explore ARBuilder Details

Feature & Specification Comparison

Specification	Pusher Channels Communication	ARBuilder Quantum3-Labs Communication
Summary	Trigger events, query channels, and manage realtime messaging on Pusher Channels.	AI-powered code generator for the Arbitrum ecosystem. 19 MCP tools for Stylus smart contracts, SDK bridging, full-stack dApps, and Orbit chain deployment, backed by RAG-based retrieval over Arbitrum documentation.
Category & Scope	Communication

Tools & Capabilities Breakdown

Pusher Channels Tools (7)

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

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Pusher Channels Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "pusher-channels": {
      "command": "npx",
      "args": [
        "-y",
        "pusher-channels"
      ]
    }
  }
}

ARBuilder Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "quantum3-labs-arbuilder": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote"
      ],
      "env": {
        "ARBUILDER_API_KEY": "YOUR_ARBUILDER_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Pusher Channels is categorized under Communication and uses a local stdio subprocess. In contrast, ARBuilder belongs to Communication using local stdio subprocess. Select Pusher Channels when you need capabilities focused on communication and ARBuilder when you require tools for communication.

More alternatives to Pusher Channels More alternatives to ARBuilder Communication category hub