What is the key difference between Email Send API and Palmyr?

Email Send API belongs to the Communication category with local stdio execution, while Palmyr belongs to the Communication category with local stdio execution.

How do I install Email Send API or Palmyr 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 Email Send API and Palmyr free or paid?

Email Send API operates under a Free / Open Source model (No auth required). Palmyr operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Email Send API lists 0 tools with 0 views and 0 GitHub stars. Palmyr lists 0 tools with 0 views and 5 GitHub stars.

Can I use both Email Send API and Palmyr 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 Email Send API or Palmyr 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 Email Send API and Palmyr free to use, or do they require API keys?

Email Send API is listed under a Free / Open Source model with No auth required . Palmyr 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 Email Send API and Palmyr at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both email-send-api and palmyr 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, Email Send API has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Palmyr holds a Quality Score of 41 /100 ( Fair ) with 0 views, 0 installs, and 5 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Email Send API vs Palmyr

In-depth architectural comparison of the Email Send API and Palmyr 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

Email Send API

Communication · Local stdio

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

Palmyr

Communication · Local stdio

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

Verdict Summary: Choose Email Send API if you need specialized Communication tools running via a local process. Choose Palmyr 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 Email Send API 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 Email Send API Details

Choose Palmyr 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 Palmyr Details

Feature & Specification Comparison

Specification	E Email Send API Communication	Palmyr Communication
Summary	Send emails programmatically via Resend. Text and HTML. x402 micropayment.	Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Email Send API Tools (0)

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

Palmyr 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).

Email Send API Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "email-send-api": {
      "command": "npx",
      "args": [
        "-y",
        "email-send-api"
      ]
    }
  }
}

Palmyr Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "palmyr": {
      "command": "npx",
      "args": [
        "-y",
        "@palmyr/cli"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Email Send API More alternatives to Palmyr Communication category hub