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116524e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | import asyncio
import os
import sys
try:
from mcp.client.session import ClientSession
from mcp.client.stdio import get_default_environment
from mcp.client.stdio import stdio_client
except ModuleNotFoundError as exc: # pragma: no cover - optional dependency guard
if (exc.name or "").split(".")[0] == "mcp":
print(
"This example requires the optional MCP extra. "
'Install it with `pip install "ace-framework[mcp]"` or '
'`uv add "ace-framework[mcp]"`.',
file=sys.stderr,
)
raise SystemExit(1) from exc
raise
try:
from mcp.client.stdio import StdioServerParameters
except ImportError: # pragma: no cover - fallback for SDK layout variants
import mcp.client.stdio as mcp_stdio
StdioServerParameters = mcp_stdio.StdioServerParameters
async def main():
if len(sys.argv) < 2:
print(
"Usage: uv run python examples/ace/mcp_client_demo.py <path_to_ace_mcp_cli>"
)
sys.exit(1)
server_path = sys.argv[1]
server_params = StdioServerParameters(
command=server_path, # usually "ace-mcp" or "uv"
args=["run", "ace-mcp"] if "uv" in server_path else [],
env={
**get_default_environment(),
"OPENAI_API_KEY": os.environ.get("OPENAI_API_KEY", ""),
"GOOGLE_API_KEY": os.environ.get("GOOGLE_API_KEY", ""),
"GEMINI_API_KEY": os.environ.get("GEMINI_API_KEY", ""),
"MISTRAL_API_KEY": os.environ.get("MISTRAL_API_KEY", ""),
"ACE_MCP_DEFAULT_MODEL": os.environ.get("ACE_MCP_DEFAULT_MODEL", ""),
},
)
async with stdio_client(server_params) as (read_stream, write_stream):
async with ClientSession(read_stream, write_stream) as session:
await session.initialize()
print("Connected to ACE MCP Server.")
# List available tools
tools = await session.list_tools()
print("\\nAvailable Tools:")
for tool in tools.tools:
print(f" - {tool.name}")
print("\\nTesting ace.ask...")
ask_args = {"session_id": "demo-session-1", "question": "What is 2 + 2?"}
result = await session.call_tool("ace.ask", ask_args)
if result.isError:
print(f"Error calling tool: {result.content}")
else:
for content in result.content:
print(f"Response: {content.text}")
if __name__ == "__main__":
asyncio.run(main())
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