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cykani-sdk

Python SDK — standalone end-to-end stealth browser automation with fingerprint evasion, human-like behavior, and autonomous browsing.

Complete browser automation in Python. Launches Chrome/Chromium directly over CDP, applies fingerprint configuration, and automates with human-like behavioral patterns. No external browser process or Node.js dependency required.

Installation

pip install cykani-sdk

Or with geoip support:

pip install cykani-sdk[geoip]

Quick Start

from cykani_sdk import strike, Maestro

# Launch Chrome directly — fully standalone, no Node.js needed
session = await strike()
await session.goto("https://example.com")
await session.close()

# Or use Maestro for multi-session control
maestro = Maestro()
session = await maestro.launch({"fingerprint": 4242})
await session.goto("https://example.com")
await session.close()

Presets

Preset Hesitation Precision Latency Humor
strike() 0.5 0.7 human off
highTrust() 0.8 0.95 human off
aggressive() 0.1 0.99 robotic off
natural() 0.5 0.7 organic yes
stealth() 0.5 0.7 human yes

What the SDK Does (End-to-End)

cykani-sdk is a complete standalone browser automation SDK. Each preset and launch call handles the full lifecycle:

  1. Launch — spawns a Chrome/Chromium process directly via subprocess
  2. Configure — applies fingerprint (platform, GPU, screen, hardware concurrency), proxy, viewport, locale, timezone
  3. Connect — establishes CDP WebSocket connection via cdp-use
  4. Act — navigates, clicks, types with human-like behavioral patterns
  5. Close — terminates the browser process and cleans up

Behavioral Engine

The Python SDK mirrors cykani-stealth's behaviors.js — same anti-detection patterns, independent implementation:

Feature Description
cognitiveHesitation Pauses before actions based on page interaction density
idleMicroMovement Random cursor jitter simulating natural idle behavior
coffeeBreak Occasional long pauses (8% chance) simulating distraction
bezierCurve / strikeMove Bézier curve mouse movement with drift points and correction curves
typingDelay Per-character typing delays varying by character type (punctuation gets longer)
microTremor Small Gaussian jitter preventing linear cursor tracking
scrollCurve Smooth scrolling with eased acceleration/deceleration
attentionDrift Simulated looking away at the screen, then refocusing

Connecting to an Existing Browser

If you already have a Chrome instance running, connect to it directly:

session = await Session.create({
    "_cdp_endpoint": "ws://127.0.0.1:9222/devtools/browser",
    "fingerprint": 4242,
})

End-to-End in Two Languages

Both SDKs provide complete end-to-end browser automation — choose whichever language fits your team:

cykani-stealth (Node.js) cykani-sdk (Python)
Browser launching Native Chromium binary Spawns Chrome via subprocess
Fingerprint evasion C++ patches in binary CDP-level configuration
Behavioral engine Bézier curves, humanization Same behavioral patterns
CDP protocol Direct CDP WebSocket cdp-use library
Auto-detection Yes Yes
Standalone Yes, no Python needed Yes, no Node.js needed

Both share the same behavioral DNA — same Bézier curves, same typing delays, same cognitive hesitation, same micro-tremor. Pick your language and get the full experience.

Architecture

cykani-stealth/
├── src/                    # Node.js stealth engine (C++ patches, CDP)
│   └── ...                 # Full standalone browser automation
├── packages/
│   └── python/
│       └── cykani-python/  # Python SDK — complete standalone solution
│           ├── src/cykani_sdk/
│           │   ├── maestro.py      # Browser session orchestration
│           │   ├── session.py      # Standalone CDP browser session
│           │   ├── stealth/        # Behavioral engine + stealth
│           │   ├── agents/         # Autonomous navigation agents
│           │   └── utils/          # Cookies, proxy, geoip, session
│           ├── pyproject.toml
│           └── README.md
└── README.md

License

MIT

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