b8e9a80d93
* wait I forgot to comit locally * cp the entire core directory and then rm the .git subdir
57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
from typing import Any, Dict, Optional
|
|
|
|
from letta.constants import MCP_TOOL_TAG_NAME_PREFIX
|
|
from letta.otel.tracing import trace_method
|
|
from letta.schemas.agent import AgentState
|
|
from letta.schemas.sandbox_config import SandboxConfig
|
|
from letta.schemas.tool import Tool
|
|
from letta.schemas.tool_execution_result import ToolExecutionResult
|
|
from letta.schemas.user import User
|
|
from letta.services.mcp_manager import MCPManager
|
|
from letta.services.tool_executor.tool_executor_base import ToolExecutor
|
|
|
|
|
|
class ExternalMCPToolExecutor(ToolExecutor):
|
|
"""Executor for external MCP tools."""
|
|
|
|
@trace_method
|
|
async def execute(
|
|
self,
|
|
function_name: str,
|
|
function_args: dict,
|
|
tool: Tool,
|
|
actor: User,
|
|
agent_state: Optional[AgentState] = None,
|
|
sandbox_config: Optional[SandboxConfig] = None,
|
|
sandbox_env_vars: Optional[Dict[str, Any]] = None,
|
|
) -> ToolExecutionResult:
|
|
pass
|
|
|
|
mcp_server_tag = [tag for tag in tool.tags if tag.startswith(f"{MCP_TOOL_TAG_NAME_PREFIX}:")]
|
|
if not mcp_server_tag:
|
|
raise ValueError(f"Tool {tool.name} does not have a valid MCP server tag")
|
|
mcp_server_name = mcp_server_tag[0].split(":")[1]
|
|
|
|
mcp_manager = MCPManager()
|
|
# TODO: may need to have better client connection management
|
|
|
|
environment_variables = {}
|
|
agent_id = None
|
|
if agent_state:
|
|
environment_variables = agent_state.get_agent_env_vars_as_dict()
|
|
agent_id = agent_state.id
|
|
|
|
function_response, success = await mcp_manager.execute_mcp_server_tool(
|
|
mcp_server_name=mcp_server_name,
|
|
tool_name=function_name,
|
|
tool_args=function_args,
|
|
environment_variables=environment_variables,
|
|
actor=actor,
|
|
agent_id=agent_id,
|
|
)
|
|
|
|
return ToolExecutionResult(
|
|
status="success" if success else "error",
|
|
func_return=function_response,
|
|
)
|