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import asyncio
import os
from mcp import ClientSession, StdioServerParameters
from mcp.client.stdio import stdio_client
async def main():
server = StdioServerParameters(
command="uv",
args=[
"run",
"--directory",
"/home/df/projects/rags/lightrag-mcp",
"python",
"main.py",
],
)
async with stdio_client(server) as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
print("--- INSERT ---")
result = await session.call_tool(
"insert_documents",
arguments={
"documents": [
"Python is a high-level programming language known for its simplicity and readability.",
"JavaScript was created in 1995 by Brendan Eich at Netscape.",
"Machine learning is a subset of artificial intelligence that enables systems to learn from data.",
]
},
)
print(f"Insert result: {result.content[0].text[:200]}")
print("\n--- QUERY (mix) ---")
result = await session.call_tool(
"query_documents",
arguments={
"query": "Tell me about programming languages",
"mode": "mix",
"top_k": 60,
},
)
import json
data = json.loads(result.content[0].text)
d = data.get("data", {})
print(f"Entities: {len(d.get('entities', []))}")
print(f"Relationships: {len(d.get('relationships', []))}")
print(f"Chunks: {len(d.get('chunks', []))}")
for c in d.get("chunks", [])[:2]:
print(f" - {c.get('content', '')[:100]}")
print("\n--- QUERY (local) ---")
result = await session.call_tool(
"query_documents",
arguments={"query": "What is Python?", "mode": "local", "top_k": 60},
)
data = json.loads(result.content[0].text)
d = data.get("data", {})
print(f"Entities: {len(d.get('entities', []))}")
print(f"Chunks: {len(d.get('chunks', []))}")
print("\n--- QUERY (global) ---")
result = await session.call_tool(
"query_documents",
arguments={
"query": "What topics are covered?",
"mode": "global",
"top_k": 60,
},
)
data = json.loads(result.content[0].text)
d = data.get("data", {})
print(f"Entities: {len(d.get('entities', []))}")
print(f"Relationships: {len(d.get('relationships', []))}")
print("\nDone!")
if __name__ == "__main__":
asyncio.run(main())