What is the key difference between Cloud and Pubchem?

Cloud belongs to the Databases category with cloud HTTP/SSE execution, while Pubchem belongs to the Databases category with cloud HTTP/SSE execution.

How do I install Cloud or Pubchem 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 Cloud and Pubchem free or paid?

Cloud operates under a Free / Open Source model (No auth required). Pubchem operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Cloud lists 0 tools with 0 views and 2 GitHub stars. Pubchem lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Cloud and Pubchem 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

Cloud vs Pubchem

In-depth architectural comparison of the Cloud and Pubchem 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

Cloud

Databases · Remote HTTP/SSE

Quality: 41/100 (Fair) | Auth: No auth required

Pubchem

Databases · Remote HTTP/SSE

Quality: 39/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Cloud if you need specialized Databases tools running via a hosted cloud SSE transport. Choose Pubchem if your workspace requires Databases integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Cloud when:

You need dedicated capabilities in the Databases domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Cloud Details

Choose Pubchem when:

You need dedicated capabilities in the Databases domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Pubchem Details

Feature & Specification Comparison

Specification	Cloud Databases	Pubchem Databases
Summary	The agent-native cloud: database, functions, AI, storage, auth and more. 50 tools, one API key.	PubChem MCP — NIH chemistry compound database (no auth)
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

Cloud Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Pubchem Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Cloud Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cloud-2": {
      "url": "https://api.scalix.world/v1/mcp"
    }
  }
}

Pubchem Configuration