litellm/cookbook/anthropic_agent_sdk/agent_with_mcp.py
2026-04-17 13:02:59 -07:00

144 lines
4.9 KiB
Python

"""
Interactive Claude Agent SDK CLI with MCP Support
This example demonstrates an interactive CLI chat with the Anthropic Agent SDK using LiteLLM as a proxy,
with MCP (Model Context Protocol) server integration for enhanced capabilities.
"""
import asyncio
import os
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions
from common import (
Config,
fetch_available_models,
setup_litellm_env,
print_header,
handle_model_list,
handle_model_switch,
stream_response,
)
async def interactive_chat_with_mcp():
"""
Interactive CLI chat with the agent and MCP server
"""
config = Config()
# Configure Anthropic SDK to point to LiteLLM gateway
litellm_base_url = setup_litellm_env(config)
# Fetch available models from proxy
available_models = await fetch_available_models(
litellm_base_url, config.LITELLM_API_KEY
)
current_model = config.LITELLM_MODEL
# MCP server configuration
mcp_server_url = f"{litellm_base_url}/mcp/deepwiki2"
use_mcp = os.getenv("USE_MCP", "true").lower() == "true"
if not use_mcp:
print("⚠️ MCP disabled via USE_MCP=false")
print_header(litellm_base_url, current_model, has_mcp=use_mcp)
while True:
# Configure agent options
if use_mcp:
try:
# Try with MCP server (HTTP transport)
# Using McpHttpServerConfig format from Agent SDK
options = ClaudeAgentOptions(
system_prompt="You are a helpful AI assistant with access to DeepWiki for research. Be concise, accurate, and friendly.",
model=current_model,
max_turns=50,
mcp_servers={
"deepwiki2": {
"type": "http",
"url": mcp_server_url,
"headers": {
"Authorization": f"Bearer {config.LITELLM_API_KEY}"
},
}
},
)
except Exception as e:
print(f"⚠️ Warning: Could not configure MCP server: {e}")
print("Continuing without MCP...\n")
use_mcp = False
options = ClaudeAgentOptions(
system_prompt="You are a helpful AI assistant. Be concise, accurate, and friendly.",
model=current_model,
max_turns=50,
)
else:
# Without MCP
options = ClaudeAgentOptions(
system_prompt="You are a helpful AI assistant. Be concise, accurate, and friendly.",
model=current_model,
max_turns=50,
)
# Create agent client
try:
async with ClaudeSDKClient(options=options) as client:
conversation_active = True
while conversation_active:
# Get user input
try:
user_input = input("\n👤 You: ").strip()
except (EOFError, KeyboardInterrupt):
print("\n\n👋 Goodbye!")
return
# Handle commands
if user_input.lower() in ["quit", "exit"]:
print("\n👋 Goodbye!")
return
if user_input.lower() == "clear":
print("\n🔄 Starting new conversation...\n")
conversation_active = False
continue
if user_input.lower() == "models":
handle_model_list(available_models, current_model)
continue
if user_input.lower() == "model":
new_model, should_restart = handle_model_switch(
available_models, current_model
)
if should_restart:
current_model = new_model
conversation_active = False
continue
if not user_input:
continue
# Stream response from agent
await stream_response(client, user_input)
except Exception as e:
print(f"\n❌ Error creating agent client: {e}")
print("This might be an MCP configuration issue. Try running without MCP:")
print(" USE_MCP=false python agent_with_mcp.py")
print("\nOr use the basic agent:")
print(" python main.py")
return
def main():
"""Run interactive chat with MCP"""
try:
asyncio.run(interactive_chat_with_mcp())
except KeyboardInterrupt:
print("\n\n👋 Goodbye!")
if __name__ == "__main__":
main()