What is the key difference between Ato Mcp and SendLetter?

Ato Mcp belongs to the Developer Tools category with local stdio execution, while SendLetter belongs to the Developer Tools category with local stdio execution.

How do I install Ato Mcp or SendLetter 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 Ato Mcp and SendLetter free or paid?

Ato Mcp operates under a Free / Open Source model (No auth required). SendLetter operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Ato Mcp lists 0 tools with 0 views and 5 GitHub stars. SendLetter lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Ato Mcp and SendLetter 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.

How do I install Ato Mcp or SendLetter in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Ato Mcp and SendLetter free to use, or do they require API keys?

Ato Mcp is listed under a Free / Open Source model with No auth required . SendLetter operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Ato Mcp and SendLetter at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both ato-mcp and sendletter as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Ato Mcp has a Quality Score of 47 /100 ( Fair ) with 0 views, 0 installs, and 5 GitHub stars. SendLetter holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Ato Mcp vs SendLetter

In-depth architectural comparison of the Ato Mcp and SendLetter 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

Ato Mcp

Developer Tools · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

SendLetter

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Ato Mcp if you need specialized Developer Tools tools running via a local process. Choose SendLetter if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Ato Mcp when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Ato Mcp Details

Choose SendLetter when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore SendLetter Details

Feature & Specification Comparison

Specification	A Ato Mcp Developer Tools	S SendLetter Developer Tools
Summary	Australian tax knowledge base: cited retrieval over ATO guidance, the ITAA & GST Acts, and rulings.	Send real, printed letters by post across Europe. Requires a free account; quote before sending.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Ato Mcp Tools (0)

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

SendLetter 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).

Ato Mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ato-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "works"
      ]
    }
  }
}

SendLetter Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Ato Mcp is categorized under Developer Tools and uses a local stdio subprocess. In contrast, SendLetter belongs to Developer Tools using local stdio subprocess. Select Ato Mcp when you need capabilities focused on developer tools and SendLetter when you require tools for developer tools.

More alternatives to Ato Mcp More alternatives to SendLetter Developer Tools category hub