#!/usr/bin/env python3
"""
Direct test of MCP server by simulating what Claude Desktop does
"""
import json
import subprocess
import sys
# Start MCP server
print("Starting MCP server...")
process = subprocess.Popen(
["python", "blender_mcp_server.py"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
bufsize=1
)
try:
# Send initialize request
init_request = {
"jsonrpc": "2.0",
"id": 1,
"method": "initialize",
"params": {
"protocolVersion": "2024-11-05",
"capabilities": {},
"clientInfo": {"name": "test-client", "version": "1.0.0"}
}
}
print(f"Sending: {json.dumps(init_request)}")
process.stdin.write(json.dumps(init_request) + "\n")
process.stdin.flush()
# Read response
response = process.stdout.readline()
print(f"Response: {response}")
# Send tools/list request
tools_request = {
"jsonrpc": "2.0",
"id": 2,
"method": "tools/list"
}
print(f"\nSending: {json.dumps(tools_request)}")
process.stdin.write(json.dumps(tools_request) + "\n")
process.stdin.flush()
response = process.stdout.readline()
print(f"Response: {response[:200]}...")
# Send create_object request
create_request = {
"jsonrpc": "2.0",
"id": 3,
"method": "tools/call",
"params": {
"name": "create_object",
"arguments": {
"type": "cube",
"name": "TestCube",
"location": [0, 0, 0],
"size": 2.0
}
}
}
print(f"\nSending create_object: {json.dumps(create_request)}")
process.stdin.write(json.dumps(create_request) + "\n")
process.stdin.flush()
# Read response
print("\nWaiting for create_object response...")
response = process.stdout.readline()
print(f"Response: {response}")
except Exception as e:
print(f"Error: {e}")
import traceback
traceback.print_exc()
finally:
process.terminate()
process.wait()
