21 lines
1001 B
Python
21 lines
1001 B
Python
from mcp import ClientSession, StdioServerParameters
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from mcp.client.stdio import stdio_client
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from letta.functions.mcp_client.types import StdioServerConfig
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from letta.log import get_logger
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from letta.services.mcp.base_client import AsyncBaseMCPClient
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logger = get_logger(__name__)
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# TODO: Get rid of Async prefix on this class name once we deprecate old sync code
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class AsyncStdioMCPClient(AsyncBaseMCPClient):
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async def _initialize_connection(self, server_config: StdioServerConfig) -> None:
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args = [arg.split() for arg in server_config.args]
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# flatten
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args = [arg for sublist in args for arg in sublist]
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server_params = StdioServerParameters(command=server_config.command, args=args, env=server_config.env)
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stdio_transport = await self.exit_stack.enter_async_context(stdio_client(server_params))
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self.stdio, self.write = stdio_transport
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self.session = await self.exit_stack.enter_async_context(ClientSession(self.stdio, self.write))
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