Effect CLI - Model Context Protocol

MCP Servers, exposed as a CLI tool

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Overview

Effect CLI is a command-line interface (CLI) tool that provides access to a collection of Model Context Protocol (MCP) servers, allowing users to interact with various models seamlessly.

To use Effect CLI, install the tool via npm or download it from the GitHub repository, then run commands in your terminal to interact with the MCP servers.

Access to multiple MCP servers through a single CLI tool - Easy installation and setup - Command-based interaction for model management

Managing and deploying machine learning models in a development environment.
Testing and interacting with different model configurations.
Automating workflows that involve multiple models.

Add to your AI client

Use these steps to connect Effect CLI - Model Context Protocol in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-jpowersdev": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-jpowersdev": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-jpowersdev": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-jpowersdev": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-jpowersdev": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-jpowersdev": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-jpowersdev"
      ]
    }
  }
}

FAQ

What is the purpose of Effect CLI?

Effect CLI is designed to simplify the interaction with multiple MCP servers through a unified command-line interface.

Is Effect CLI free to use?

Yes! Effect CLI is open-source and available under the MIT license.

What programming language is Effect CLI built with?

Effect CLI is built using TypeScript.

Developer tools