"""MCP Client to test the Slack MCP Server"""
import asyncio
import json
from mcp import ClientSession, StdioServerParameters
from mcp.client.stdio import stdio_client
import os
async def main():
# Server parameters - path to main.py
server_params = StdioServerParameters(
command="python",
args=["main.py"],
env={
"SLACK_BOT_TOKEN": os.getenv("SLACK_BOT_TOKEN"),
}
)
print("=== MCP Client Test ===\n")
print("Connecting to MCP server...")
async with stdio_client(server_params) as (read, write):
async with ClientSession(read, write) as session:
# Initialize the session
await session.initialize()
print("[OK] Connected to MCP server\n")
# 1. List available tools
print("1. Listing available tools...")
tools = await session.list_tools()
print(f"Found {len(tools.tools)} tools:\n")
for tool in tools.tools:
print(f" - {tool.name}: {tool.description}")
print("\n" + "="*50 + "\n")
# 2. Call slack_list_channels
print("2. Calling slack_list_channels tool...")
result = await session.call_tool("slack_list_channels", arguments={"limit": 10})
print("Result:")
for content in result.content:
if hasattr(content, 'text'):
print(content.text)
print("\n" + "="*50 + "\n")
print("[OK] MCP Client test completed!")
if __name__ == "__main__":
asyncio.run(main())
