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50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
"""Basic LangChain agent example using Go Micro services.
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This example shows how to create a simple LangChain agent that can
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interact with Go Micro services through the MCP gateway.
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"""
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from langchain_go_micro import GoMicroToolkit
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from langchain.agents import initialize_agent, AgentType
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from langchain_openai import ChatOpenAI
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def main():
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"""Run basic agent example."""
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# Initialize toolkit from MCP gateway
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print("Connecting to MCP gateway...")
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toolkit = GoMicroToolkit.from_gateway("http://localhost:3000")
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# Get available tools
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tools = toolkit.get_tools()
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print(f"\nDiscovered {len(tools)} tools:")
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for tool in tools:
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print(f" - {tool.name}: {tool.description}")
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# Create LangChain agent
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print("\nCreating LangChain agent...")
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llm = ChatOpenAI(model="gpt-4", temperature=0)
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agent = initialize_agent(
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tools,
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llm,
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agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
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verbose=True
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)
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# Example queries
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queries = [
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"Create a user named Alice with email alice@example.com",
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"Get the user we just created",
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]
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for query in queries:
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print(f"\n{'='*60}")
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print(f"Query: {query}")
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print('='*60)
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result = agent.run(query)
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print(f"\nResult: {result}")
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if __name__ == "__main__":
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main()
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