What is the key difference between Flusia CRM and Mailbuttons?

Flusia CRM belongs to the Communication category with cloud HTTP/SSE execution, while Mailbuttons belongs to the Communication category with local stdio execution.

How do I install Flusia CRM or Mailbuttons 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 Flusia CRM and Mailbuttons free or paid?

Flusia CRM operates under a Free / Open Source model (No auth required). Mailbuttons operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Flusia CRM lists 0 tools with 0 views and 0 GitHub stars. Mailbuttons lists 0 tools with 1 views and 1 GitHub stars.

Can I use both Flusia CRM and Mailbuttons 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

Flusia CRM vs Mailbuttons

In-depth architectural comparison of the Flusia CRM and Mailbuttons 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

Flusia CRM

Communication · Remote HTTP/SSE

Quality: 30/100 (Emerging) | Auth: No auth required

Mailbuttons

Communication · Local stdio

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

Verdict Summary: Choose Flusia CRM if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Mailbuttons 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 Flusia CRM when:

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

Explore Flusia CRM Details

Choose Mailbuttons 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).

Explore Mailbuttons Details

Feature & Specification Comparison

Specification	F Flusia CRM Communication	Mailbuttons Communication
Summary	Italian CRM for SMBs: leads, quotes, tasks, invoices, WhatsApp and newsletters via 200+ MCP tools	Governed email for AI agents: sandbox inboxes, server-side policy gate, tamper-evident audit.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Flusia CRM Tools (0)

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

Mailbuttons 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).

Flusia CRM Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "flusia-crm": {
      "url": "https://flusia.it/en/mcp/"
    }
  }
}

Mailbuttons Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mailbuttons-2": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

Frequently Asked Questions

Flusia CRM is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Mailbuttons belongs to Communication using local stdio subprocess. Select Flusia CRM when you need capabilities focused on communication and Mailbuttons when you require tools for communication.

More alternatives to Flusia CRM More alternatives to Mailbuttons Communication category hub