mirror of
https://github.com/AstrBotDevs/AstrBot
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50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
"""MCP tool wrapper."""
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from __future__ import annotations
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from datetime import timedelta
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from typing import TYPE_CHECKING, Any
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try:
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import mcp as _mcp
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except (ModuleNotFoundError, ImportError):
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_mcp: Any = None
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from mcp.types import Tool as MCPTool_T
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from astrbot._internal.tools.base import FunctionTool
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if TYPE_CHECKING:
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from astrbot._internal.protocols._mcp.client import McpClient
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class MCPTool(FunctionTool):
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"""A function tool that calls an MCP service."""
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def __init__(
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self,
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mcp_tool: MCPTool_T,
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mcp_client: McpClient,
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mcp_server_name: str,
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**kwargs: Any,
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) -> None:
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super().__init__(
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name=mcp_tool.name,
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description=mcp_tool.description or "",
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parameters=mcp_tool.inputSchema,
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)
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self.mcp_tool = mcp_tool
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self.mcp_client = mcp_client
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self.mcp_server_name = mcp_server_name
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self.source = "mcp"
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async def call(self, **kwargs: Any) -> Any:
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"""Call the MCP tool with the given arguments."""
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# Note: For actual usage, context.tool_call_timeout is needed
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# but for simplicity we use a default timeout here
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return await self.mcp_client.call_tool_with_reconnect(
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tool_name=self.mcp_tool.name,
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arguments=kwargs,
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read_timeout_seconds=timedelta(seconds=60),
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)
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