cmcp 0.2.0

A command-line utility for interacting with MCP servers.

cMCP

cmcp is a command-line utility that helps you interact with MCP servers. It's basically curl for MCP servers.

Installation

pip install cmcp

Quick Start

Given the following MCP Server (see here):

# server.py
from mcp.server.fastmcp import FastMCP

# Create an MCP server
mcp = FastMCP("Demo")


# Add a prompt
@mcp.prompt()
def review_code(code: str) -> str:
    return f"Please review this code:\n\n{code}"


# Add a static config resource
@mcp.resource("config://app")
def get_config() -> str:
    """Static configuration data"""
    return "App configuration here"


# Add a dynamic greeting resource
@mcp.resource("greeting://{name}")
def get_greeting(name: str) -> str:
    """Get a personalized greeting"""
    return f"Hello, {name}!"


# Add an addition tool
@mcp.tool()
def add(a: int, b: int) -> int:
    """Add two numbers"""
    return a + b

STDIO transport

List prompts:

cmcp 'mcp run server.py' prompts/list

Get a prompt:

cmcp 'mcp run server.py' prompts/get name=review_code arguments:='{"code": "def greet(): pass"}'

List resources:

cmcp 'mcp run server.py' resources/list

Read a resource:

cmcp 'mcp run server.py' resources/read uri=config://app

List resource templates:

cmcp 'mcp run server.py' resources/templates/list

List tools:

cmcp 'mcp run server.py' tools/list

Call a tool:

cmcp 'mcp run server.py' tools/call name=add arguments:='{"a": 1, "b": 2}'

SSE transport

Run the above MCP server with SSE transport:

mcp run server.py -t sse

List prompts:

cmcp http://localhost:8000 prompts/list

Get a prompt:

cmcp http://localhost:8000 prompts/get name=review_code arguments:='{"code": "def greet(): pass"}'

List resources:

cmcp http://localhost:8000 resources/list

Read a resource:

cmcp http://localhost:8000 resources/read uri=config://app

List resource templates:

cmcp http://localhost:8000 resources/templates/list

List tools:

cmcp http://localhost:8000 tools/list

Call a tool:

cmcp http://localhost:8000 tools/call name=add arguments:='{"a": 1, "b": 2}'