ebbb831fc0
- 新增 mcp_service 文件，移除原本的 src/agents/common/mcp.py，所有功能合并到mcp_service，MCP服务来处理服务器配置的增删改查操作、数据库与缓存之间的同步以及MCP客户端和工具的管理。 - 将重构的 MCP 和现有智能体做适配，引入全局缓存和状态管理机制用于MCP服务器和工具。 - 数据库表更新，在MCPServer模型中为StdIO传输类型添加了command和args字段。 - 其他代码优化、增强样式以提升用户体验和可读性。
379 lines
14 KiB
Python
379 lines
14 KiB
Python
"""MCP 服务器管理路由"""
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from fastapi import APIRouter, Depends, HTTPException
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from pydantic import BaseModel, Field
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from sqlalchemy.ext.asyncio import AsyncSession
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from src.services.mcp_service import (
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create_mcp_server,
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get_mcp_tools_stats,
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delete_mcp_server,
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get_all_mcp_servers,
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get_all_mcp_tools,
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get_mcp_server,
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toggle_server_enabled,
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toggle_tool_enabled,
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update_mcp_server,
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)
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from src.storage.db.models import User
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from src.utils import logger
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from server.utils.auth_middleware import get_admin_user, get_db
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mcp = APIRouter(prefix="/system/mcp-servers", tags=["mcp"])
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# =============================================================================
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# === DTOs ===
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# =============================================================================
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class CreateMcpServerRequest(BaseModel):
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name: str = Field(..., description="服务器名称")
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transport: str = Field(..., description="传输类型：sse/streamable_http/stdio")
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url: str | None = Field(None, description="服务器 URL（sse/streamable_http）")
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command: str | None = Field(None, description="命令（stdio）")
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args: list | None = Field(None, description="命令参数数组（stdio）")
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description: str | None = Field(None, description="描述")
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headers: dict | None = Field(None, description="HTTP 请求头")
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timeout: int | None = Field(None, description="HTTP 超时时间（秒）")
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sse_read_timeout: int | None = Field(None, description="SSE 读取超时（秒）")
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tags: list | None = Field(None, description="标签数组")
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icon: str | None = Field(None, description="图标（emoji）")
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class UpdateMcpServerRequest(BaseModel):
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transport: str | None = Field(None, description="传输类型")
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url: str | None = Field(None, description="服务器 URL")
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command: str | None = Field(None, description="命令（stdio）")
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args: list | None = Field(None, description="命令参数数组（stdio）")
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description: str | None = Field(None, description="描述")
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headers: dict | None = Field(None, description="HTTP 请求头")
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timeout: int | None = Field(None, description="HTTP 超时时间（秒）")
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sse_read_timeout: int | None = Field(None, description="SSE 读取超时（秒）")
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tags: list | None = Field(None, description="标签数组")
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icon: str | None = Field(None, description="图标（emoji）")
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# =============================================================================
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# === Helpers ===
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# =============================================================================
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async def get_server_or_404(db: AsyncSession, name: str):
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"""Helper to get server or raise 404."""
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server = await get_mcp_server(db, name)
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if not server:
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raise HTTPException(status_code=404, detail=f"服务器 '{name}' 不存在")
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return server
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# =============================================================================
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# === MCP 服务器 CRUD ===
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# =============================================================================
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@mcp.get("")
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async def get_mcp_servers(
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""获取所有 MCP 服务器配置"""
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try:
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servers = await get_all_mcp_servers(db)
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return {"success": True, "data": [s.to_dict() for s in servers]}
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except Exception as e:
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logger.error(f"Failed to get MCP servers: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.post("")
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async def create_mcp_server_route(
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request: CreateMcpServerRequest,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""创建新的 MCP 服务器"""
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# 校验传输类型
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valid_transports = ("sse", "streamable_http", "stdio")
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if request.transport not in valid_transports:
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raise HTTPException(status_code=400, detail=f"传输类型必须是 {', '.join(valid_transports)} 之一")
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# 根据传输类型校验必填字段
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if request.transport in ("sse", "streamable_http") and not request.url:
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raise HTTPException(status_code=400, detail=f"传输类型为 {request.transport} 时，url 必填")
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if request.transport == "stdio" and not request.command:
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raise HTTPException(status_code=400, detail="传输类型为 stdio 时，command 必填")
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try:
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server = await create_mcp_server(
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db,
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name=request.name,
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transport=request.transport,
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url=request.url,
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command=request.command,
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args=request.args,
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description=request.description,
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headers=request.headers,
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timeout=request.timeout,
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sse_read_timeout=request.sse_read_timeout,
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tags=request.tags,
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icon=request.icon,
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created_by=current_user.username,
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)
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return {"success": True, "data": server.to_dict()}
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except ValueError as ve:
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raise HTTPException(status_code=400, detail=str(ve))
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except Exception as e:
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logger.error(f"Failed to create MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.get("/{name}")
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async def get_mcp_server_route(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""获取单个 MCP 服务器配置"""
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try:
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server = await get_server_or_404(db, name)
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return {"success": True, "data": server.to_dict()}
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"Failed to get MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.put("/{name}")
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async def update_mcp_server_route(
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name: str,
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request: UpdateMcpServerRequest,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""更新 MCP 服务器配置"""
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# 校验传输类型
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valid_transports = ("sse", "streamable_http", "stdio")
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if request.transport is not None and request.transport not in valid_transports:
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raise HTTPException(status_code=400, detail=f"传输类型必须是 {', '.join(valid_transports)} 之一")
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try:
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server = await update_mcp_server(
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db,
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name=name,
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description=request.description,
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transport=request.transport,
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url=request.url,
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command=request.command,
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args=request.args,
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headers=request.headers,
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timeout=request.timeout,
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sse_read_timeout=request.sse_read_timeout,
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tags=request.tags,
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icon=request.icon,
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updated_by=current_user.username,
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)
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return {"success": True, "data": server.to_dict()}
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except ValueError as ve:
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raise HTTPException(status_code=404, detail=str(ve))
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except Exception as e:
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logger.error(f"Failed to update MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.delete("/{name}")
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async def delete_mcp_server_route(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""删除 MCP 服务器"""
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try:
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# 检查是否为系统内置服务器
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server = await get_mcp_server(db, name)
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if server and server.created_by == "system":
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raise HTTPException(status_code=403, detail="系统内置的 MCP 服务器无法删除")
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deleted = await delete_mcp_server(db, name)
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if not deleted:
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raise HTTPException(status_code=404, detail=f"服务器 '{name}' 不存在")
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return {"success": True, "message": f"服务器 '{name}' 已删除"}
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"Failed to delete MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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# =============================================================================
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# === MCP 服务器操作 ===
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# =============================================================================
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@mcp.post("/{name}/test")
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async def test_mcp_server(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""测试 MCP 服务器连接"""
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try:
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await get_server_or_404(db, name)
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try:
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tools = await get_all_mcp_tools(name)
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return {
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"success": True,
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"message": f"连接成功，共发现 {len(tools)} 个工具",
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"tool_count": len(tools),
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}
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except Exception as test_error:
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raise HTTPException(status_code=500, detail=f"连接失败: {str(test_error)}")
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"Failed to test MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.put("/{name}/toggle")
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async def toggle_mcp_server_route(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""切换 MCP 服务器启用状态"""
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try:
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is_enabled, server = await toggle_server_enabled(db, name, current_user.username)
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return {
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"success": True,
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"enabled": is_enabled,
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"message": f"服务器 '{name}' 已{'启用' if is_enabled else '禁用'}",
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}
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except ValueError as ve:
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raise HTTPException(status_code=404, detail=str(ve))
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except Exception as e:
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logger.error(f"Failed to toggle MCP server: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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# =============================================================================
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# === MCP 工具管理 ===
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# =============================================================================
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@mcp.get("/{name}/tools")
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async def get_mcp_server_tools(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""获取 MCP 服务器的工具列表"""
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try:
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server = await get_server_or_404(db, name)
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disabled_tools = server.disabled_tools or []
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try:
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# 获取所有工具（不过滤 disabled_tools）
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tools = await get_all_mcp_tools(name)
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tool_list = []
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for tool in tools:
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original_name = tool.name
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unique_id = tool.metadata.get("id") if tool.metadata else original_name
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tool_info = {
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"name": original_name,
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"id": unique_id,
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"description": getattr(tool, "description", ""),
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"enabled": original_name not in disabled_tools,
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}
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# 提取参数信息
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if hasattr(tool, "args_schema") and tool.args_schema:
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schema = tool.args_schema.schema() if hasattr(tool.args_schema, "schema") else {}
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tool_info["parameters"] = schema.get("properties", {})
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tool_info["required"] = schema.get("required", [])
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else:
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tool_info["parameters"] = {}
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tool_info["required"] = []
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tool_list.append(tool_info)
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return {
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"success": True,
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"data": tool_list,
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"total": len(tool_list),
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}
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except Exception as tool_error:
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logger.error(f"Failed to get tools from MCP server '{name}': {tool_error}")
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raise HTTPException(status_code=500, detail=f"获取工具失败: {str(tool_error)}")
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"Failed to get MCP server tools: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.post("/{name}/tools/refresh")
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async def refresh_mcp_server_tools(
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name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""刷新 MCP 服务器的工具列表（清除缓存重新获取）"""
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try:
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await get_server_or_404(db, name)
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try:
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# 获取所有工具（不过滤 disabled_tools）
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tools = await get_all_mcp_tools(name)
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# 获取统计信息
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stats = get_mcp_tools_stats(name)
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enabled_count = stats.get("enabled", len(tools)) if stats else len(tools)
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disabled_count = stats.get("disabled", 0) if stats else 0
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message = "工具列表已刷新"
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if disabled_count > 0:
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message += f"，{enabled_count} 个已启用，{disabled_count} 个已禁用"
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else:
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message += f"，共发现 {enabled_count} 个工具"
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return {
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"success": True,
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"message": message,
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"tool_count": enabled_count,
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"enabled_count": enabled_count,
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"disabled_count": disabled_count,
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}
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except Exception as tool_error:
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raise HTTPException(status_code=500, detail=f"刷新失败: {str(tool_error)}")
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"Failed to refresh MCP server tools: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@mcp.put("/{name}/tools/{tool_name}/toggle")
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async def toggle_mcp_server_tool_route(
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name: str,
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tool_name: str,
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current_user: User = Depends(get_admin_user),
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db: AsyncSession = Depends(get_db),
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):
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"""切换单个工具的启用状态"""
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try:
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enabled, server = await toggle_tool_enabled(db, name, tool_name, current_user.username)
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return {
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"success": True,
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"tool_name": tool_name,
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"enabled": enabled,
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"message": f"工具 '{tool_name}' 已{'启用' if enabled else '禁用'}",
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}
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except ValueError as ve:
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raise HTTPException(status_code=404, detail=str(ve))
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except Exception as e:
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logger.error(f"Failed to toggle MCP server tool: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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