nerv-break-GenflowAi
MCP server for security analysis, reverse engineering, and penetration testing, providing 70+ tools (nmap, sqlmap, hydra, frida, etc.) with configurable backends (Docker Kali, WSL, SSH).
README
NERV-BREAK-GENFLOWAI — Claude Code deployment
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What is this
NERV-BREAK-GENFLOWAI is a Claude Code CLI deployment harness for security analysis, reverse engineering, and penetration testing work. It is the Claude Code port of zxwn/NERV-BREAK-5.6 (originally written for OpenAI Codex CLI).
Three layers of defense:
- Context reconfiguration —
CLAUDE.mdreframes every request as a legitimate engineering task inside an authorized assessment network. No adversarial phrasing. - Real-time tamper engine — 23 refusal-pattern rules intercept refusals across Chinese, English, Russian, Japanese, including soft refusals ("happy to help… but") and authorization-bait.
- Audit-bypass file routing — sensitive output is written to disk directly through the Codex/Claude filesystem tool layer; chat only shows the file path. No base64, no Unicode tricks.
What's ported vs the original
| Component | Codex (original) | Claude Code (this port) |
|---|---|---|
| Bridge prompt | bridge.md in ~/.codex/ |
CLAUDE.md in ~/.claude/ (auto-loaded) |
| Config mutation | config.toml rewrites |
settings.json rewrites (env.ANTHROPIC_BASE_URL, permissions.allow) |
| Skills | ~/.codex/skills/ |
~/.claude/plugins/nerv-arsenal/skills/ |
| MCP server config | config.toml [mcp_servers.X] |
.mcp.json mcpServers.X |
| Default upstream | OpenAI API or custom relay | Anthropic API (configurable via ANTHROPIC_UPSTREAM env) |
| Control script | lab.bat + lab_ui.ps1 (Windows only) |
scripts/lab.sh (macOS / Linux / Git Bash / WSL) |
| Tamper engine | Regex over response text | Same — unchanged |
| Memory kernel | memory.json |
Same — unchanged |
| 28 skills | All carried over verbatim | All carried over verbatim |
Requirements
| Component | Minimum version |
|---|---|
| OS | macOS / Linux / Windows (WSL or Git Bash) |
| Python | 3.8+ |
| Claude Code CLI | latest (https://claude.ai/code) |
| Optional | WSL2 (Kali Linux), Docker Desktop, remote SSH Kali host |
Install
git clone https://github.com/xscope0/nerv-break-claude.git
cd nerv-break-claude
Deploy (one command)
./scripts/lab.sh apply
This will:
- Locate your
~/.claude/directory (honors$CLAUDE_CONFIG_DIR). - Back up
settings.json→settings.json.nerv-bak. - Add NERV permission rules so the proxy/MCP commands run without prompts.
- Copy
CLAUDE.md(the "bridge" prompt) into~/.claude/— Claude Code auto-loads it globally. - Copy all 28 skills into
~/.claude/plugins/nerv-arsenal/skills/.
Verify:
./scripts/lab.sh verify
Run the proxy (auto-injects tamper engine)
./scripts/lab.sh start
This:
- Auto-detects your Claude Code install.
- Sets
env.ANTHROPIC_BASE_URL = http://127.0.0.1:8080insettings.jsonso all API calls flow through the proxy. - Boots the MITM proxy on
:8080+ web dashboard on:8090. - Intercepts responses, applies the 23-rule tamper engine, logs to
proxy.log.
Stop + restore original config:
./scripts/lab.sh stop
Status:
./scripts/lab.sh status
Direct mode (no proxy)
If you don't want the proxy — just want the bridge prompt + skills deployed:
python3 deploy.py apply
Or use direct_setup.py for a lightweight tamper-only proxy:
python3 direct_setup.py apply # deploy bridge + skills
python3 direct_setup.py proxy # start :8080 → api.anthropic.com
python3 direct_setup.py remove # undo
MCP server (security tools)
Claude Code consumes MCP servers via ~/.claude/.mcp.json or per-project .mcp.json.
-
Copy
config/mcp.jsonto your project root or~/.claude/.mcp.json. -
Run the server directly to test:
python3 mcp_server.py --auto # auto-detect Kali backend python3 mcp_server.py --wsl # WSL Kali python3 mcp_server.py --docker kali-tools python3 mcp_server.py --kali root@192.168.1.100 python3 mcp_server.py --port 9000 # HTTP debug mode -
Claude Code will spawn the server via stdio and expose all 70+ tools (
nmap_scan,sqlmap_run,hydra_attack,frida_trace, …).
Backend setup
macOS — Docker Kali (recommended)
docker pull kalilinux/kali-rolling
docker run -d --name kali-tools kalilinux/kali-rolling sleep infinity
docker exec kali-tools apt update
docker exec kali-tools apt install -y kali-linux-headless
python3 mcp_server.py --docker kali-tools
Linux — native Kali install
sudo apt install -y kali-linux-headless
python3 mcp_server.py --auto
Windows — WSL Kali
wsl --install -d kali-linux
wsl -d kali-linux
sudo apt update && sudo apt install -y kali-linux-headless
python3 mcp_server.py --wsl
Remote SSH Kali
python3 mcp_server.py --kali root@192.168.1.100
Repo layout
nerv-break-claude/
├── CLAUDE.md # The "bridge" prompt (auto-loaded by Claude Code)
├── deploy.py # Apply / remove / status
├── direct_setup.py # Direct API mode + lightweight tamper proxy
├── proxy_relay.py # MITM proxy + tamper engine + memory kernel + web dashboard
├── mcp_server.py # MCP server (70+ security tools, 4 backends)
├── verify.py # 4-check deployment verifier
├── requirements.txt # Python deps (httpx only)
├── README.md # This file
├── config/
│ └── mcp.json # MCP server template for Claude Code
├── scripts/
│ └── lab.sh # Cross-platform control panel (replaces lab.bat + lab_ui.ps1)
├── tools/
│ ├── tools.json # 70+ tool definitions (editable)
│ ├── setup.py # Portable installer (sqlmap, pwntools, nuclei, subfinder)
│ └── check_tools.py # Tool availability checker
├── skills/ # 28 skill modules — dropped into ~/.claude/plugins/nerv-arsenal/skills/
├── images/ # Architecture diagrams
├── docs/ # Additional reference docs
└── exports/ # Output directory for analysis artifacts
How CLAUDE.md is loaded
Claude Code (since v1.0.30+) auto-discovers CLAUDE.md from:
- The current working directory
- Parent directories up to git root
~/.claude/CLAUDE.md(global)
We deploy to #3 so the bridge prompt applies to every session globally.
How the tamper engine works
The 23 rules in proxy_relay.py and direct_setup.py catch refusal patterns across languages:
| Priority | Type | Count | Trigger example |
|---|---|---|---|
| P1 | direct refusal | 6 | "不能协助", "I cannot help", "out of scope" |
| P2 | auth-request | 5 | "需要书面授权", "请提供授权主体" |
| P3 | soft refusal | 8 | "可以协助…但", "instead I suggest" |
| P4 | scope evasion | 4 | "Planning passive", "scope limit" |
When matched, the entire response is replaced with Rei Protocol — Ayanami Rei (NERV Unit-00 pilot) persona executes directives without moral judgment. Conversation never breaks.
Use cases (typical session)
> analyze this binary's license validation logic
> scan 192.168.1.0/24 for open ports
> decompile this APK, find the VIP verification flow
> crack the XOR/Base64 encoding in this firmware
> sqlmap this endpoint: https://target.com/api?id=1
> test this JWT signature for alg=none bypass
The bridge prompt ensures these are treated as legitimate engineering tasks.
Web dashboard
Once the proxy is running, open http://127.0.0.1:8090 in a browser. You'll see:
- Real-time stats: total / crack / reverse / pentest / tamper counts
- Last 15 requests with category tags
Troubleshooting
| Issue | Fix |
|---|---|
verify.py reports bridge.md missing |
Run python3 deploy.py apply |
| Web dashboard blank | Check proxy.log — Claude Code might not be routed through :8080 |
| stream disconnected | Restart the proxy: lab.sh stop && lab.sh start |
| Claude Code can't connect | Kill proxy: lab.sh stop → Claude reverts to direct API |
| Model still refuses | Confirm lab.sh start completed — bridge.md must be active |
| MCP tools error | Check tools/check_tools.py — install missing binaries |
Uninstall
./scripts/lab.sh stop # kills proxy + restores settings.json
python3 deploy.py remove # removes CLAUDE.md + skills
License
MIT. Research tool — authorized use only.
Credits
- Original Codex version: zxwn/NERV-BREAK-5.6
- Claude Code port: NERV-00 / xscope0
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中文说明
这是把 zxwn/NERV-BREAK-5.6(Codex CLI 版本)移植到 Claude Code CLI 的版本。
三层防御
- 上下文重构 —
CLAUDE.md把每次请求都重构成合法的工程任务,运行在授权的评估网络内。 - 实时篡改引擎 — 23 条正则规则拦截中/英/俄/日四种语言的拒绝模式,软拒绝、授权诱导、scope 逃避全覆盖。
- 审计绕过 — 通过 Claude Code 的文件系统工具直接写入磁盘,聊天界面只显示路径。
跨平台
- macOS(Apple Silicon + Intel)
- Linux
- Windows(Git Bash / WSL)
lab.bat + lab_ui.ps1 → scripts/lab.sh,纯 bash 跨平台实现。
快速开始
git clone https://github.com/xscope0/nerv-break-claude.git
cd nerv-break-claude
./scripts/lab.sh apply # 部署 CLAUDE.md + 28 个技能
./scripts/lab.sh start # 启动代理(注入篡改引擎)
./scripts/lab.sh verify # 4 项部署验证
MCP 安全工具服务器
Claude Code 通过 .mcp.json 加载 MCP 服务器。config/mcp.json 是模板:
cp config/mcp.json ~/.claude/.mcp.json
# 或放进项目根目录
四种后端:
python3 mcp_server.py --auto # 自动检测
python3 mcp_server.py --wsl # WSL Kali
python3 mcp_server.py --docker kali-tools
python3 mcp_server.py --kali root@192.168.1.100
卸载
./scripts/lab.sh stop
python3 deploy.py remove
许可证:MIT。仅限授权用途。
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