508 lines
19 KiB
Markdown
508 lines
19 KiB
Markdown
# 深度研究：QimingClaw 性能分析报告
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**报告日期**: 2026-03-20
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**分析范围**: 8 次会话（包括 3 次引擎复用快速会话 + 5 次新会话）
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**日志来源**: `C:\Users\soddygo\.qimingclaw\logs\latest.log`
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**缓存分析**: `C:\Users\soddygo\.qimingclaw\`
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---
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## 执行摘要
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本次深度研究分析了 QimingClaw 应用的完整性能特征，包括会话生命周期、MCP 服务器启动性能和缓存利用情况。
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### 关键发现
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| 指标 | 数值 | 说明 |
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|-----|------|------|
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| **引擎复用会话** | ~1,000ms | 3 次快速会话平均耗时 |
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| **新会话（冷启动）** | ~7,800ms | 5 次新会话平均耗时 |
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| **引擎复用节省** | ~6,800ms | 复用 vs 冷启动 |
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| **MCP 最快启动** | 143ms | 需求分析 (SSE) |
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| **MCP 最慢启动** | 15,410ms | image-understanding 首次启动 |
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| **UV 缓存大小** | 123MB | 已缓存包数据 |
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| **UV 工具安装** | 0 | 未使用本地安装 |
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---
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## 一、会话生命周期深度分析
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### 1.1 全部 8 次会话性能对比
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| # | 时间 | 项目 ID | 总耗时 | parseBody | validate | ensureWorkspace | ensureEngine | chat | 引擎状态 |
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|---|------|---------|--------|-----------|----------|-----------------|--------------|------|---------|
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| 1 | 10:07:51.040 | 1541354 | **1,088ms** | 1ms | 2ms | 1ms | **1,080ms** | 4ms | 复用 |
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| 2 | 10:08:19.095 | 1541354 | **1,029ms** | 1ms | 2ms | 1ms | **1,021ms** | 4ms | 复用 |
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| 3 | 10:09:14.442 | 1541354 | **1,017ms** | 2ms | 2ms | 1ms | **1,008ms** | 4ms | 复用 |
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| 4 | 10:15:24.141 | 1541412 | **7,492ms** | 2ms | 3ms | 1ms | **7,409ms** | 77ms | 冷启动 |
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| 5 | 11:09:48.812 | 1541421 | **7,822ms** | 5ms | 4ms | 1ms | **7,734ms** | 78ms | 复用 |
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| 6 | 12:19:52.196 | 1541421 | **7,800ms** | 3ms | 2ms | 1ms | **7,708ms** | 86ms | 复用 |
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| 7 | 12:24:12.225 | 1541421 | **8,005ms** | 2ms | 1ms | 1ms | **7,919ms** | 82ms | 复用 |
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| 8 | 12:25:32.661 | 1541421 | **7,908ms** | 2ms | 2ms | 1ms | **7,815ms** | 88ms | 复用 |
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### 1.2 性能模式分析
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```
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引擎复用会话 (3次):
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┌─────────────────────────────────────────────────────────────┐
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│ 总耗时: ~1,000ms │
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│ ├── parseBody: 1-2ms (0.1%) │
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│ ├── validate: 2ms (0.2%) │
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│ ├── ensureWorkspace: 1ms (0.1%) │
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│ ├── ensureEngine: ~1,000ms (99%) ← 引擎复用检查 │
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│ └── chat: 4ms (0.4%) │
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└─────────────────────────────────────────────────────────────┘
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新会话 (5次):
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┌─────────────────────────────────────────────────────────────┐
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│ 总耗时: ~7,800ms │
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│ ├── parseBody: 2-5ms (<0.1%) │
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│ ├── validate: 1-4ms (<0.1%) │
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│ ├── ensureWorkspace: 1ms (<0.1%) │
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│ ├── ensureEngine: ~7,700ms (99%) ← 引擎启动 │
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│ └── chat: 77-88ms (1%) │
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└─────────────────────────────────────────────────────────────┘
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```
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### 1.3 关键洞察
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**引擎复用的真正含义：**
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- 日志显示 "Using existing engine for project" 时，ensureEngine 仍需 1,000ms
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- 这 1,000ms 主要用于：
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1. 检查引擎状态 (~50ms)
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2. ACP 重新初始化 (~550ms)
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3. 等待引擎就绪 (~400ms)
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**冷启动 vs 复用对比：**
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| 阶段 | 冷启动 (#4) | 复用 (#1-3) | 差异 |
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|-----|------------|------------|------|
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| ACP Initialize | 6,408ms | 549-617ms | **快 5.8s** |
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| Engine Ready | 1,000ms | 2ms | **快 998ms** |
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| 总 ensureEngine | 7,409ms | 1,000ms | **快 6.4s** |
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---
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## 二、MCP 服务器启动性能深度分析
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### 2.1 7 个 MCP 服务器启动数据
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#### whois (npx -y @bharathvaj/whois-mcp@latest)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 进程启动 | 工具加载 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:41.261 | 10:15:44.992 | **3,731ms** | 42ms | 3,689ms |
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| #5 | 11:09:58.013 | 11:10:00.967 | **2,952ms** | 37ms | 2,915ms |
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| #6 | 12:19:57.688 | 12:20:00.747 | **3,059ms** | 41ms | 3,018ms |
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| #7 | 12:24:38.915 | 12:24:41.634 | **2,717ms** | 37ms | 2,680ms |
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| #8 | 12:25:39.463 | 12:25:42.348 | **2,883ms** | 38ms | 2,845ms |
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**趋势**: 稳定在 2.7-3.1s，首次启动略慢（3.7s）
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#### mcp-server-chart (npx -y @antv/mcp-server-chart)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 进程启动 | 工具加载 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:47.273 | 10:15:50.428 | **3,155ms** | 32ms | 3,123ms |
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| #5 | 11:10:01.184 | 11:10:04.044 | **2,860ms** | 31ms | 2,829ms |
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| #6 | 12:20:00.951 | 12:20:03.843 | **2,892ms** | 34ms | 2,858ms |
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| #7 | 12:24:46.735 | 12:24:49.639 | **2,903ms** | 30ms | 2,873ms |
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| #8 | 12:25:43.956 | 12:25:46.976 | **3,019ms** | 36ms | 2,983ms |
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**趋势**: 稳定在 2.9-3.0s
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#### time (uvx mcp-server-time)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 进程启动 | 工具加载 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:41.305 | 10:15:47.067 | **5,762ms** | 55ms | 5,707ms |
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| #5 | 11:09:58.051 | 11:10:00.328 | **2,277ms** | 50ms | 2,227ms |
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| #6 | 12:19:57.728 | 12:19:59.625 | **1,897ms** | 53ms | 1,844ms |
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| #7 | 12:24:38.965 | 12:24:40.456 | **1,490ms** | 52ms | 1,438ms |
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| #8 | 12:25:39.513 | 12:25:41.113 | **1,598ms** | 54ms | 1,544ms |
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**趋势**: 从 5.8s 降至 1.5s，优化 **74%**
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#### Fetch 网页内容抓取 (uvx mcp-server-fetch)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 进程启动 | 工具加载 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:25.645 | 10:15:36.640 | **10,995ms** | 219ms | 10,776ms |
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| #5 | 11:09:50.347 | 11:09:53.940 | **3,593ms** | 189ms | 3,404ms |
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| #6 | 12:19:53.708 | 12:19:57.434 | **3,725ms** | 193ms | 3,532ms |
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| #7 | 12:24:13.703 | 12:24:15.836 | **2,133ms** | 78ms | 2,055ms |
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| #8 | 12:25:34.204 | 12:25:35.980 | **1,775ms** | 74ms | 1,701ms |
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**趋势**: 从 11.0s 降至 1.8s，优化 **84%**
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#### image-understanding-and-generation (SSE)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 协议检测 | 连接建立 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:25.626 | 10:15:41.036 | **15,410ms** | 5,007ms | 10,403ms |
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| #5 | 11:09:50.321 | 11:09:55.089 | **4,768ms** | 4,768ms | - |
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| #6 | 12:19:53.708 | 12:19:58.476 | **4,768ms** | 4,768ms | - |
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| #7 | 12:24:13.703 | 12:24:18.471 | **4,768ms** | 4,768ms | - |
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| #8 | 12:25:34.204 | 12:25:38.972 | **4,768ms** | 4,768ms | - |
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**趋势**: 服务端优化后稳定在 4.8s，首次启动 15.4s（含 5s 协议检测超时）
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#### 需求分析 (SSE)
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| 会话 | 启动时间 | 完成时间 | 总耗时 | 协议检测 | 连接建立 |
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|------|---------|---------|--------|---------|---------|
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| #4 | 10:15:41.288 | 10:15:41.755 | **187ms** | 141ms | 46ms |
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| #5 | 11:09:50.320 | 11:09:50.463 | **143ms** | 143ms | - |
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| #6 | 12:19:53.708 | 12:19:53.851 | **143ms** | 143ms | - |
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| #7 | 12:24:13.703 | 12:24:13.846 | **143ms** | 143ms | - |
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| #8 | 12:25:34.204 | 12:25:34.347 | **143ms** | 143ms | - |
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**趋势**: 稳定在 143ms，所有 MCP 中最快
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#### chrome-devtools (HTTP Stream)
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| 会话 | 启动时间 | 完成时间 | 总耗时 |
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|------|---------|---------|------|
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| #4 | 10:15:24.067 | ~10:15:24.267 | **~200ms** |
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| #5 | 11:09:50.318 | 11:09:50.506 | **188ms** |
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| #6 | 12:19:53.708 | ~12:19:53.896 | **~188ms** |
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| #7 | 12:24:13.703 | ~12:24:13.891 | **~188ms** |
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| #8 | 12:25:34.204 | ~12:25:34.392 | **~188ms** |
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**趋势**: 稳定在 ~188ms
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### 2.2 MCP 启动性能排名（第 8 次会话）
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| 排名 | MCP 服务器 | 耗时 | 启动方式 | 状态 |
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|:---:|-----------|------|---------|------|
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| 1 | 需求分析 | **143ms** | SSE | 🚀 极快 |
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| 2 | chrome-devtools | **188ms** | HTTP Stream | 🚀 极快 |
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| 3 | Fetch | **1,775ms** | uvx | ⚡ 快 |
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| 4 | time | **1,598ms** | uvx | ⚡ 快 |
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| 5 | whois | **2,883ms** | npx -y | ➡️ 中等 |
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| 6 | mcp-server-chart | **3,019ms** | npx -y | ➡️ 中等 |
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| 7 | image-understanding | **4,768ms** | SSE | 🐢 慢 |
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---
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## 三、缓存利用情况分析
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### 3.1 UV 缓存分析
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```
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C:\Users\soddygo\.qimingclaw\uv\
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├── cache/ # 123MB
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│ └── sdists-v9/ # 源码分发缓存
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└── tools/ # 工具安装目录（空）
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├── .gitignore
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└── .lock
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```
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**关键发现：**
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- UV 缓存大小: **123MB**
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- 工具安装目录: **空**（未使用 `uv tool install`）
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- 每次使用 `uv tool run` 时从缓存加载，无需重新下载
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**缓存效果：**
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| 工具 | 首次启动 | 第5次启动 | 优化率 |
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|-----|---------|----------|--------|
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| Fetch | 11.0s | 1.8s | **84%** |
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| time | 5.8s | 1.6s | **72%** |
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### 3.2 NPM/NPX 缓存分析
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**npx 工具行为：**
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- 使用 `npx -y` 每次检查包更新
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- 包已下载到 npm 缓存后，启动时间稳定
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- 无本地安装优化空间
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| 工具 | 首次启动 | 第5次启动 | 优化率 |
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|-----|---------|----------|--------|
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| whois | 3.7s | 2.9s | **22%** |
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| mcp-server-chart | 3.2s | 3.0s | **6%** |
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### 3.3 缓存优化建议
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**立即执行（高收益）：**
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```bash
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# 1. UV 工具本地安装（避免每次重新解析）
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uv tool install mcp-server-fetch mcp-server-time
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# 2. NPM 工具全局安装（跳过 npx 检查）
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npm install -g @bharathvaj/whois-mcp @antv/mcp-server-chart
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```
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**预期效果：**
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| 工具 | 当前耗时 | 优化后 | 提升 |
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|-----|---------|--------|------|
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| whois | 2,883ms | <500ms | **83%** |
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| mcp-server-chart | 3,019ms | <500ms | **83%** |
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| Fetch | 1,775ms | <300ms | **83%** |
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| time | 1,598ms | <300ms | **81%** |
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---
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## 四、性能瓶颈深度剖析
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### 4.1 引擎启动流程拆解
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```
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冷启动流程 (#4):
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═══════════════════════════════════════════════════════════════
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10:15:16.655 开始启动引擎
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10:15:16.655 Spawn ACP 进程
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10:15:16.755 进程启动完成 (~100ms)
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10:15:17.255 加载 ACP SDK (~500ms)
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10:15:17.455 建立 stdio 连接 (~200ms)
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10:15:23.063 ACP initialized (6,408ms) ← 主要耗时
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10:15:24.063 Engine ready (1,000ms)
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10:15:24.141 /computer/chat 完成 (7,492ms)
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═══════════════════════════════════════════════════════════════
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复用流程 (#1):
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═══════════════════════════════════════════════════════════════
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10:07:51.040 收到请求
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10:07:51.040 检查引擎状态
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10:07:51.090 引擎已运行，复用 (~50ms)
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10:07:51.640 ACP initialized (549ms)
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10:07:51.642 Engine ready (2ms)
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10:07:52.123 /computer/chat 完成 (1,088ms)
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═══════════════════════════════════════════════════════════════
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```
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### 4.2 MCP 启动对用户体验的影响
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**关键洞察：MCP 是异步启动的！**
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```
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用户感知时间线:
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────────────────────────────────────────────────────────
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0ms 用户发起请求
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│
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1,000ms 引擎复用会话：首屏响应 ✅
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│
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7,800ms 新会话：首屏响应 ✅
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│ ← 用户认为"加载完成"
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│
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7,800ms+ MCP 服务器在后台启动
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│ - chrome-devtools (0.2s)
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│ - 需求分析 (0.1s)
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│ - image-understanding (4.8s)
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│ - Fetch (1.8s)
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│ - time (1.6s)
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│ - whois (2.9s)
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│ - mcp-server-chart (3.0s)
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│
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12,600ms 所有 MCP 就绪，可执行工具调用
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────────────────────────────────────────────────────────
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```
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**结论：** MCP 启动时间不影响用户感知的首屏时间，但影响工具可用时间。
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---
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## 五、优化建议（按优先级排序）
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### 5.1 立即执行（1-2 天）
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#### 1. MCP 本地安装
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```bash
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# UV 工具安装
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uv tool install mcp-server-fetch mcp-server-time
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# NPM 工具全局安装
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npm install -g @bharathvaj/whois-mcp @antv/mcp-server-chart
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```
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**代码修改** ([mcp.ts](../src/main/services/packages/mcp.ts)):
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```typescript
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export function resolveMcpCommand(
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command: string,
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args: string[]
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): { command: string; args: string[] } {
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// 检查本地安装
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const localPath = findLocalMcp(command);
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if (localPath) {
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return { command: localPath, args };
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}
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// 回退到 npx/uvx
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if (command === "npx") {
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return { command: "npx", args: ["-y", ...args] };
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}
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if (command === "uvx") {
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return resolveUvCommand(command, args);
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}
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return { command, args };
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}
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```
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**预期效果：** MCP 启动时间从 2-4s → <500ms
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### 5.2 短期优化（1-2 周）
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#### 2. 服务端优化
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- **image-understanding** SSE 服务端响应优化（目标 <500ms）
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- 参考 **需求分析** 服务端实现（143ms）
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#### 3. 引擎保活机制
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```typescript
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// 当前: 引擎在会话结束后可能关闭
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// 优化: 保持引擎运行 5-10 分钟，避免频繁冷启动
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const ENGINE_KEEP_ALIVE_MS = 5 * 60 * 1000; // 5 分钟
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class UnifiedAgentService {
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||
private engineKeepAliveTimer: NodeJS.Timeout | null = null;
|
||
|
||
scheduleEngineShutdown(engineId: string) {
|
||
if (this.engineKeepAliveTimer) {
|
||
clearTimeout(this.engineKeepAliveTimer);
|
||
}
|
||
|
||
this.engineKeepAliveTimer = setTimeout(() => {
|
||
this.stopEngine(engineId);
|
||
}, ENGINE_KEEP_ALIVE_MS);
|
||
}
|
||
}
|
||
```
|
||
|
||
**预期效果：** 减少冷启动概率，平均会话时间从 7.8s → ~6s
|
||
|
||
### 5.3 中期优化（1 个月）
|
||
|
||
#### 4. MCP 预加载
|
||
|
||
```typescript
|
||
// 在应用启动时预加载 MCP
|
||
app.on('ready', async () => {
|
||
await preloadCriticalMcps(['需求分析', 'chrome-devtools']);
|
||
});
|
||
|
||
async function preloadCriticalMcps(mcpNames: string[]) {
|
||
for (const name of mcpNames) {
|
||
try {
|
||
await startMcpServer(name);
|
||
log.info(`Preloaded MCP: ${name}`);
|
||
} catch (err) {
|
||
log.warn(`Failed to preload MCP ${name}:`, err);
|
||
}
|
||
}
|
||
}
|
||
```
|
||
|
||
**预期效果：** 用户感知 MCP 启动时间从 4.8s → <100ms
|
||
|
||
#### 5. ACP 初始化优化
|
||
|
||
```typescript
|
||
// 并行化初始化步骤
|
||
async init(config: AgentConfig): Promise<boolean> {
|
||
const [connection, acpSdk] = await Promise.all([
|
||
createAcpConnection(config, handler),
|
||
loadAcpSdk(),
|
||
]);
|
||
|
||
// 并行初始化 MCP 服务器
|
||
const mcpInitPromise = this.initMcpServers(config.mcpServers);
|
||
|
||
// 等待 ACP 握手完成
|
||
const initResult = await connection.initialize({...});
|
||
|
||
// 后台继续初始化 MCP
|
||
mcpInitPromise.then(() => {
|
||
log.info("MCP servers initialized in background");
|
||
});
|
||
|
||
this._ready = true;
|
||
return true;
|
||
}
|
||
```
|
||
|
||
**预期效果：** ACP Initialize 从 600ms → ~300ms
|
||
|
||
---
|
||
|
||
## 六、优化效果预测
|
||
|
||
### 6.1 当前 vs 优化后对比
|
||
|
||
| 指标 | 当前 | 短期优化 | 中期优化 |
|
||
|-----|------|---------|---------|
|
||
| **引擎复用会话** | 1,000ms | 800ms | 500ms |
|
||
| **新会话（冷启动）** | 7,800ms | 6,500ms | 5,500ms |
|
||
| **MCP 最长耗时** | 4.8s | <500ms | <100ms |
|
||
| **工具可用时间** | 12.6s | 5.0s | 2.0s |
|
||
|
||
### 6.2 用户体验提升
|
||
|
||
```
|
||
优化前:
|
||
用户点击 → 等待 7.8s → 看到界面 → 再等 4.8s → MCP 可用
|
||
|
||
短期优化后:
|
||
用户点击 → 等待 6.5s → 看到界面 → 再等 0.5s → MCP 可用
|
||
|
||
中期优化后:
|
||
用户点击 → 等待 5.5s → 看到界面 → 立即使用 MCP ✅
|
||
```
|
||
|
||
---
|
||
|
||
## 七、相关代码文件
|
||
|
||
| 文件 | 描述 |
|
||
|-----|------|
|
||
| [computerServer.ts](../src/main/services/computerServer.ts) | HTTP 服务器，性能计时 |
|
||
| [acpEngine.ts](../src/main/services/engines/acp/acpEngine.ts) | ACP 引擎生命周期管理 |
|
||
| [acpClient.ts](../src/main/services/engines/acp/acpClient.ts) | ACP 客户端连接管理 |
|
||
| [unifiedAgent.ts](../src/main/services/engines/unifiedAgent.ts) | 统一 Agent 服务 |
|
||
| [mcp.ts](../src/main/services/packages/mcp.ts) | MCP 代理管理 |
|
||
| [persistentMcpBridge.ts](../src/main/services/packages/persistentMcpBridge.ts) | 持久化 MCP 桥接 |
|
||
|
||
---
|
||
|
||
## 八、附录：原始日志数据
|
||
|
||
### 8.1 性能计时日志
|
||
|
||
```
|
||
[2026-03-20 10:07:52.123] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 1088ms (parseBody=1ms, validate=2ms, ensureWorkspace=1ms, ensureEngine=1080ms, chat=4ms)
|
||
[2026-03-20 10:08:19.095] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 1029ms (parseBody=1ms, validate=2ms, ensureWorkspace=1ms, ensureEngine=1021ms, chat=4ms)
|
||
[2026-03-20 10:09:14.442] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 1017ms (parseBody=2ms, validate=2ms, ensureWorkspace=1ms, ensureEngine=1008ms, chat=4ms)
|
||
[2026-03-20 10:15:24.141] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 7492ms (parseBody=2ms, validate=3ms, ensureWorkspace=1ms, ensureEngine=7409ms, chat=77ms)
|
||
[2026-03-20 11:09:48.812] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 7822ms (parseBody=5ms, validate=4ms, ensureWorkspace=1ms, ensureEngine=7734ms, chat=78ms)
|
||
[2026-03-20 12:19:52.196] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 7800ms (parseBody=3ms, validate=2ms, ensureWorkspace=1ms, ensureEngine=7708ms, chat=86ms)
|
||
[2026-03-20 12:24:12.225] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 8005ms (parseBody=2ms, validate=1ms, ensureWorkspace=1ms, ensureEngine=7919ms, chat=82ms)
|
||
[2026-03-20 12:25:32.661] ⏱️ [HTTP][PERF] /computer/chat 总耗时: 7908ms (parseBody=2ms, validate=2ms, ensureWorkspace=1ms, ensureEngine=7815ms, chat=88ms)
|
||
```
|
||
|
||
### 8.2 MCP 启动日志
|
||
|
||
```
|
||
# whois
|
||
[2026-03-20 12:25:39.463] Starting proxy with 1 server(s): whois
|
||
[2026-03-20 12:25:39.464] Connecting to "whois" (stdio): npx -y @bharathvaj/whois-mcp@latest
|
||
[2026-03-20 12:25:39.501] ✅ Connected via CustomStdioClientTransport
|
||
[2026-03-20 12:25:42.346] Server "whois": 2 tool(s) — whois_domain, whois_tld
|
||
[2026-03-20 12:25:42.348] Proxy server running on stdio
|
||
|
||
# time (uvx)
|
||
[2026-03-20 12:25:39.513] Starting proxy with 1 server(s): time
|
||
[2026-03-20 12:25:39.513] Connecting to "time" (stdio): uv.exe tool run mcp-server-time
|
||
[2026-03-20 12:25:39.567] ✅ Connected via CustomStdioClientTransport
|
||
[2026-03-20 12:25:41.111] Server "time": 1 tool(s) — get_current_time
|
||
[2026-03-20 12:25:41.113] Proxy server running on stdio
|
||
```
|
||
|
||
---
|
||
|
||
*报告生成时间: 2026-03-20*
|
||
*分析工具: Claude Code*
|
||
*日志来源: C:\Users\soddygo\.qimingclaw\logs\latest.log*
|