What is the key difference between Docs MCP and ARBuilder?

Docs MCP belongs to the Communication category with local stdio execution, while ARBuilder belongs to the Communication category with local stdio execution.

How do I install Docs MCP 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 Docs MCP and ARBuilder free or paid?

Docs MCP 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?

Docs MCP lists 4 tools with 2 views and 54 GitHub stars. ARBuilder lists 19 tools with 2 views and 24 GitHub stars.

Can I use both Docs MCP 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

Docs MCP vs ARBuilder

In-depth architectural comparison of the Docs MCP 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

Docs MCP

Communication · Local stdio

Quality: 82/100 (Excellent) | Auth: No auth required

ARBuilder

Communication · Local stdio

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

Verdict Summary: Choose Docs MCP 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 Docs MCP 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: search_cometchat_docs, fetch_cometchat_doc_page, get_cometchat_implementation_bundle.

Explore Docs MCP 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	Docs MCP cometchat VerifiedCommunication	ARBuilder Quantum3-Labs Communication
Summary	CometChat's official MCP server — searches CometChat documentation and returns curated implementation bundles for adding real-time chat, voice, video, and moderation to your app (React, React Native, Flutter, iOS, Android, JS SDK).	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.

Tools & Capabilities Breakdown

Docs MCP Tools (4)

search_cometchat_docs

Search across SDK guides, UI Kit references, REST API documentation, and OpenAPI specs. Returns ranked snippets with titles + direct links. Optional `version` filter.

fetch_cometchat_doc_page

Fetch the full content of any documentation page as markdown by URL or relative path.

get_cometchat_implementation_bundle

Return a curated implementation bundle for a named scenario — prerequisites, install commands, configuration, working code.

list_cometchat_bundles

List every available implementation bundle (identifier, title, framework, last-verified date) for discovery.

ARBuilder Tools (19)

get_stylus_context

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).

Docs MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cometchat-docs-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "smithery"
      ]
    }
  }
}

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

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

More alternatives to Docs MCP More alternatives to ARBuilder Communication category hub