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Hot Swap Development
ASecurityIterative MCP server replacement without client restart or session loss. 熱換伺服器,不斷客端,不失狀態。 Use when: developing MCP servers iteratively, replacing server binary mid-session, avoiding reconnection overhead.
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- Added September 12, 2026
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[](https://www.skillsdirectory.com/skills/aibot88-hot-swap-development)---
name: mcp-tester-hot-swap-development
description: "Iterative MCP server replacement without client restart or session loss. 熱換伺服器,不斷客端,不失狀態。 Use when: developing MCP servers iteratively, replacing server binary mid-session, avoiding reconnection overhead."
disable-model-invocation: true
---
# Hot-Swap MCP Development Workflow
引導開發者行熱換工作流,以 mcp-debug 為器。
## Overview
熱換開發,替換 MCP 伺服器實作,無須:
- 重啟 Claude Code 或他 MCP 客端
- 丟棄除錯歷史
- 更改工具名或前綴
## The Problem
舊式 MCP 開發流程:
1. 改程式碼
2. 重建伺服器
3. 重啟伺服器
4. 重連客端
5. 復原狀態
6. 測試更動
7. 往復...
每輪迭代耗時於重連與狀態復原。
## The Solution
mcp-debug 開熱換之道:
1. 改程式碼
2. 重建伺服器
3. 呼叫 `server_disconnect` 繼以 `server_reconnect`
4. 即刻測試
客端持連,狀態保全。
## Workflow Steps
### 1. Initial Setup
先加入開發伺服器:
```
Use server_add tool:
- name: "myserver"
- command: "go run ./cmd/server" (or your dev command)
```
### 2. Development Cycle
每改程式碼後:
1. **建新版本**
```bash
go build -o ./bin/server-v2 ./cmd/server
# or: npm run build
# or: cargo build --release
```
2. **斷當前伺服器**
```
Use server_disconnect tool:
- name: "myserver"
```
工具仍登記,呼叫暫佇。
3. **以新執行檔重連**
```
Use server_reconnect tool:
- name: "myserver"
- command: "./bin/server-v2"
```
4. **驗工具可用**
```
Use server_list tool to confirm connection
Test a tool to verify functionality
```
### 3. Debugging Changes
以除錯工具驗行為:
- `debug_logs` — 檢視請求/回應流量
- `debug_status` — 查連線健康
- `schema_validate` — 驗模式更動
## Server Management Tools
### server_add
動態加入新伺服器:
```
server_add with:
- name: "myserver"
- command: "python server.py"
```
### server_disconnect
暫停伺服器(工具仍登記):
```
server_disconnect with:
- name: "myserver"
```
### server_reconnect
以新執行檔重連:
```
server_reconnect with:
- name: "myserver"
- command: "./new-binary"
```
### server_list
列所有伺服器及狀態:
```
server_list
```
### server_remove
完全移除伺服器:
```
server_remove with:
- name: "myserver"
```
## Workflow Patterns
### Pattern 1: Watch and Rebuild
```bash
# Terminal 1: Watch and rebuild
watchexec -e go -- go build -o bin/myserver ./cmd/server
# In Claude Code: After each rebuild
# Call server_disconnect then server_reconnect
```
### Pattern 2: A/B Testing
1. 測版本 A
2. 以 server_reconnect 熱換至版本 B
3. 測版本 B
4. 以 debug_logs 比對行為
### Pattern 3: Debug Mode Toggle
```
# Normal mode
server_reconnect with command="./server"
# Debug mode with extra logging
server_reconnect with command="./server --debug --verbose"
```
## Best Practices
1. **用版本化執行檔** — 命名含版本,便於回滾
2. **換後查日誌** — 驗無流量錯誤
3. **先測關鍵工具** — 確認核心功能
4. **保留前版執行檔** — 問題時快速回滾
## Troubleshooting
**伺服器不重連:**
- 查命令路徑正確否
- 驗執行檔有執行權限
- 查有無埠衝突(若用網路)
**換後工具消失:**
- 伺服器或已更改工具定義
- 以 `server_list` 查現有工具
- 查伺服器日誌中初始化錯誤
**意外行為:**
- 以 `debug_logs` 比對換前換後請求
- 驗模式未作不相容更改
Files in this skill
- SKILL.md
- source.json
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