内容
<p align="center">
<img src="kaiju.svg" alt="KAIJU — The Monster MCP Server" width="480"/>
</p>
<h1 align="center"> KAIJU — The Monster MCP Server</h1>
<p align="center">
<b>The standalone, AI-powered MCP server for Linux pentesting.</b><br/>
Recon · Scanning · Web attacks · Exploit checks · Payload library · AI brain<br/>
Wrapped in a beautiful terminal UI with signature timestamps.
</p>
<p align="center">
<a href="#-installation"><img src="https://img.shields.io/badge/INSTALL-SETUP-ff0033?style=for-the-badge"/></a>
<a href="#-the-arsenal"><img src="https://img.shields.io/badge/ARSENAL-25%20TOOLS-00ccff?style=for-the-badge"/></a>
<a href="#-ai-configuration"><img src="https://img.shields.io/badge/AI-PASTE%20%26%20GO-ffcc00?style=for-the-badge"/></a>
<a href="#-license"><img src="https://img.shields.io/badge/LICENSE-MIT-00cc66?style=for-the-badge"/></a>
</p>
<p align="center">
<img src="https://img.shields.io/badge/version-1.0.0-red?style=flat-square"/>
<img src="https://img.shields.io/badge/python-3.10%2B-3776AB?style=flat-square&logo=python&logoColor=white"/>
<img src="https://img.shields.io/badge/platform-Linux%20%28Kali%2FParrot%2FUbuntu%29-000000?style=flat-square&logo=linux"/>
<img src="https://img.shields.io/badge/created%20by-Anonymous--beta-ffcc00?style=flat-square"/>
</p>
<pre align="center">
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<p align="center"><i>“Kaiju awakens. Target acquired.”</i> — <b>Anonymous-beta</b></p>
<hr/>
## 🥊 Why KAIJU
| Feature | KAIJU | Typical MCP server |
|---|---|---|
| Recon arsenal (DNS, subdomains, WHOIS, OSINT, AXFR) | ✅ built-in | ❌ separate tools |
| Threaded port scanner + banner grab | ✅ built-in | ❌ |
| Web beast mode (dir fuzz, header audit, WAF detect, fingerprint) | ✅ built-in | ❌ |
| Exploit checks (SQLi / XSS / LFI / header injection) | ✅ built-in | ❌ |
| **Payload library exposed as an MCP tool** | ✅ **exclusive** | ❌ nobody has this |
| **AI brain embedded as an MCP tool** (`ai_analyze`) | ✅ **exclusive** | ❌ |
| **Paste-and-go AI API setup wizard** | ✅ **exclusive** | ❌ |
| Signature colored timestamps | ✅ | some |
| Interactive terminal cockpit (TUI) | ✅ **exclusive** | ❌ |
| One-command install + config at `~/.config/kaiju` | ✅ | ❌ |
> <b>“If we can't make it better than the others, we make it have something the others don't have.”</b>
>
> KAIJU ships four things nobody else does: the **payload library as a tool**, the **embedded AI brain**, the **paste-and-go wizard**, and the **cockpit**.
<hr/>
## 🚀 Installation
<details open>
<summary><b>🐧 Requirements</b></summary>
| Requirement | Notes |
|---|---|
| Linux | Kali / Parrot / Ubuntu / Debian recommended |
| Python | **3.10+** |
| `nmap`, `traceroute` | optional but recommended (`apt install nmap traceroute`) |
</details>
<details>
<summary><b>📦 Install from source</b></summary>
```bash
git clone https://github.com/Anonymous-beta/kaiju.git
cd kaiju
python3 -m venv .venv && source .venv/bin/activate
pip install -e .
kaiju banner
```
</details>
<details>
<summary><b>⚡ Zero-install launcher</b></summary>
```bash
pip install -r requirements.txt
python3 run.py # splash + help
python3 run.py run # fire up the MCP server
```
</details>
<details>
<summary><b>✅ Quick sanity check</b></summary>
```bash
kaiju banner # the beast wakes up
kaiju tools # list the full arsenal
kaiju config --ai # paste your AI API key
kaiju run # start the MCP server (stdio)
```
</details>
<hr/>
## 🎯 Quick Start
```bash
# 1. Configure the AI (paste your key — done in ~30 seconds)
kaiju config --ai
# 2. Fire up the server (stdio for Claude Desktop / Cursor)
kaiju run
# 3. Or go interactive — the cockpit
kaiju tui
```
<hr/>
## 🤖 AI Configuration — paste & go
```bash
kaiju config --ai
```
The wizard asks for a **provider**, you **paste your API key**, it **tests the connection**, and done. KAIJU connects instantly.
| Provider | Endpoint | Default model |
|---|---|---|
| OpenAI | `api.openai.com/v1` | `gpt-4o-mini` |
| OpenRouter | `openrouter.ai/api/v1` | `openai/gpt-4o-mini` |
| Groq | `api.groq.com/openai/v1` | `llama-3.3-70b-versatile` |
| Together | `api.together.xyz/v1` | `Llama-3.3-70B-Instruct-Turbo` |
| Mistral | `api.mistral.ai/v1` | `mistral-small-latest` |
| Ollama (local) | `localhost:11434/v1` | `llama3.1` |
| Custom | any OpenAI-compatible URL | anything |
> 💡 Local Ollama with no key works too — KAIJU is fully offline-capable.
<hr/>
## 🔌 Connecting MCP Clients
<details>
<summary><b>💬 Claude Desktop</b></summary>
Edit `~/.config/Claude/claude_desktop_config.json`:
```json
{
"mcpServers": {
"kaiju": {
"command": "kaiju",
"args": ["run"]
}
}
}
```
</details>
<details>
<summary><b>🧑💻 Cursor / IDE agents</b></summary>
```json
{
"mcpServers": {
"kaiju": {
"command": "kaiju",
"args": ["run"]
}
}
}
```
</details>
<details>
<summary><b>🌐 Custom client over SSE</b></summary>
```bash
kaiju run --transport sse --host 127.0.0.1 --port 8765
```
```python
# examples/kaiju_sse_client.py
import asyncio
from mcp import ClientSession
from mcp.client.sse import sse_client
async def main():
async with sse_client("http://127.0.0.1:8765/sse") as (read, write):
async with ClientSession(read, write) as session:
await session.initialize()
tools = await session.list_tools()
print(f"⚡ KAIJU connected — {len(tools.tools)} tools armed")
asyncio.run(main())
```
</details>
<hr/>
## 🛠️ The Arsenal — 25 tools
### `recon` — know your enemy
| Tool | What it does |
|---|---|
| `dns_lookup` | A / AAAA / MX / TXT / NS / CNAME / SOA / PTR |
| `subdomain_enum` | 200+ word built-in list, threaded, custom wordlist support |
| `whois_lookup` | registrar, dates, nameservers, contacts |
| `osint_lookup` | WHOIS + DNS + IP + DMARC + PTR snapshot |
| `reverse_dns` | IP → hostname |
| `zone_transfer` | AXFR attempt against every nameserver |
### `network` — map the battlefield
| Tool | What it does |
|---|---|
| `ping_sweep` | ranges / CIDR / lists, threaded |
| `port_scan` | top-100 or custom ranges, banners, 200 threads |
| `traceroute` | network path |
| `http_probe` | status, size, title, server header |
| `nmap_scan` | full system-nmap wrapper |
### `web` — eat the web
| Tool | What it does |
|---|---|
| `dir_fuzz` | 100+ built-in paths, extensions, threaded |
| `header_audit` | finds the 8 critical headers you're missing |
| `waf_detect` | Cloudflare / Akamai / Imperva / AWS / F5 + payload probes |
| `tech_fingerprint` | server, CMS, framework, JS libs, version hints |
### `exploit` — the teeth
| Tool | What it does |
|---|---|
| `sqli_check` | time-delay + error-pattern + boolean-blind probes |
| `xss_check` | reflection sniffing with markers |
| `lfi_check` | traversal + `php://filter` + `/proc/self/environ` |
| `header_injection_check` | CRLF, CORS, Host-header |
| `payload_library` | **100+ payloads in 11 categories** — as an MCP tool |
### `system` — local power (safe by default)
| Tool | What it does |
|---|---|
| `command_exec` | shell commands, **safe_mode allowlist** by default |
| `file_read` | text files, 10MB cap, tree-restricted in safe_mode |
| `file_write` | write files, tree-restricted in safe_mode |
| `list_directory` | listing with sizes |
### `ai` — the brain
| Tool | What it does |
|---|---|
| `ai_analyze` | paste tool output → AI explains findings + next attack steps |
<hr/>
## 💣 The Payload Library
11 categories, 100+ payloads, browsable via the `payload_library` MCP tool:
```
sqli, xss, lfi, rce, ssrf, idor, auth, headers,
deserialization, upload, crypto, misc
```
Example MCP call:
```
payload_library("ssrf")
```
```text
[ssrf]
• Localhost: http://127.0.0.1/
• Localhost hex: http://0x7f000001/
• IPv6 loopback: http://[::1]/
• AWS metadata: http://169.254.169.254/latest/meta-data/
• gopher: gopher://127.0.0.1:6379/_INFO
• dict: dict://127.0.0.1:11211/info
...
```
<hr/>
## 🛡️ Safe Mode
KAIJU ships with `safe_mode: true`:
- `command_exec` only runs **allowlisted binaries** (`nmap`, `curl`, `dig`, …) — no shell metacharacters, no `rm`, `mkfs`, `dd`, etc.
- interpreted shells (`bash -c`, `python3 -c`) are blocked
- `file_read` / `file_write` restricted to the working tree
- exploit checks are **non-invasive probes** (single benign request)
Run KAIJU on a box you own and disable it when you're ready to go full monster:
```bash
kaiju config --set 'safe_mode false'
```
<hr/>
## 🕹️ CLI Reference
| Command | What it does |
|---|---|
| `kaiju` | splash + help |
| `kaiju run` | MCP server (stdio) |
| `kaiju run --transport sse --host 127.0.0.1 --port 8765` | MCP server (SSE) |
| `kaiju config --ai` | paste-and-go AI wizard |
| `kaiju config --show` | dump config JSON |
| `kaiju config --set 'ai.model gpt-4o'` | set any value |
| `kaiju config --reset` | factory reset |
| `kaiju tools` | arsenal table |
| `kaiju ai "how do I test for SSRF here?"` | ask the AI brain |
| `kaiju tui` | interactive cockpit |
| `kaiju banner` | print the banner |
| `kaiju --version` | version |
<hr/>
## 🗂️ Project Structure
<details>
<summary><b>Click to expand</b></summary>
```text
kaiju/
├── run.py # zero-install launcher
├── setup.py / pyproject.toml # packaging
├── assets/kaiju-logo.png # the logo
├── examples/ # client configs + SSE demo
└── kaiju/
├── banner.py # the Kaiju splash
├── timestamps.py # signature timestamps
├── config.py # XDG config + providers
├── ai.py # OpenAI-compatible AI client
├── server.py # MCP server core
├── cli.py # CLI entry
├── tools/ # the arsenal
│ ├── recon.py network.py web.py exploit.py system.py
└── ui/tui.py # interactive cockpit
```
</details>
<hr/>
## 🗺️ Roadmap
- [ ] More payloads (every category, 500+)
- [ ] Metasploit bridge
- [ ] Session / report export (JSON, HTML, markdown)
- [ ] Windows client (cockpit only)
- [ ] Plugin system
<hr/>
## 📜 License
MIT — Copyright © 2026 **Anonymous-beta**.
<p align="center">
<i>“Ndi Igbo kwenu”</i> 🦖
</p>
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