Elevate Your
Execution Experience
Unlock your execution potential in an uncompromising environment, powered by Seirin Cloud.
Engineered for Power & Discretion
Every component in Seirin is built from the ground up for maximum execution authority, minimal memory footprint, and instantaneous cloud orchestration.
Cloud Scripts & Quota
Save, categorize, and execute scripts across all your devices. Bi-directional WebSocket sync, revision histories, and direct GitHub Gist export.
Encrypted Cookie Vault
Zero password storage. Roblox credentials are encrypted client-side using per-user derived AES-256-GCM keys. Lock or export accounts with a single click.
Model Context Protocol (MCP)
Integrate directly with OpenCode, Claude Desktop, Cursor, and custom LLM agents to inspect the live DataModel DOM, fire remotes, and write Luau scripts in real time.
100% sUNC Functional Integrity
Passes all 86 sUNC (senS' Unified Naming Convention) functional tests verified against docs.sunc.io. Closures, metamethod hooks, debug library manipulation, reflection, drawing, and filesystem operate with complete execution authority.
Hardware ID Virtualization
Kernel-level hardware masking for NIC MAC, SMBIOS UUID, disk serial numbers, and GPU telemetry for enhanced operational privacy.
Security Audit & Heatmap
Track all device logins, active sessions, key transactions, and script executions in an immutable contribution activity heatmap.
Get Real & Seirin for Windows
Native 64-bit client bundled with high-performance injector, integrated Monaco editor, and instant cloud sync.
Windows Installer (.exe)
Windows 10 / 11 64-bit • 80.6 MB
Standard setup with desktop shortcuts, auto-updater integration, and Visual C++ runtime checker.
Portable Archive (.zip)
Standalone Executable • 62.0 MB
No installation needed. Extract and run directly from any directory or USB drive without system changes.
Installation & Setup Guide
Get up and running in less than 2 minutes. Follow these simple steps.
System Requirements & Pre-requisites
Verify Windows 10 (20H2+) or Windows 11 64-bit. Ensure Visual C++ 2015–2022 Redistributable (x64) is installed on your computer.
Run Installer or Extract Portable Zip
Launch Seirin-Setup-2.4.1-x64.exe. If using the portable version, extract the full contents to an accessible directory (e.g. C:\Seirin).
Whitelist Folder in Security Software
Add the Seirin folder to Windows Defender or your antivirus exclusions list. Because Seirin injects Luau code dynamically into process memory, heuristics will trigger false alerts.
Launch Seirin & Connect Cloud Account
Open Seirin. Use Discord login or Assisted Login ticket from your dashboard to activate Cloud Scripts and the Cookie Vault.
Common Errors & Solutions
Choose Your Execution Tier
Start for free with standard execution or elevate to Pro for hardware spoofing, 25 vault accounts, and expanded cloud limits.
Community Edition
StandardIdeal for regular players running scripts with full execution authority and 100% SUNC compatibility.
- Full Luau Execution Authority
- 100% SUNC API Compatibility
- Up to 3 Linked Roblox Accounts (Vault)
- 50 Cloud Scripts Storage (1 MB max/file)
- Model Context Protocol (MCP) Relay
- Kernel Hardware Spoofer
- Priority Support & Private Discord Role
Seirin Pro
Designed for power users, developers, and multi-accounters requiring kernel virtualization and unlimited scale.
- Everything in Free, plus:
- Kernel Hardware Spoofer (NIC/SMBIOS/Disk)
- Up to 25 Linked Roblox Accounts (Vault)
- 500 Cloud Scripts Storage (8 MB max/file)
- Unlimited Automated sUNC Test Runs (86 Tests)
- BYO GitHub Gists Bi-directional Sync
- VIP Discord Access & Prioritized Updates
Community & Verified Resellers
Join thousands of scripters on Discord and purchase Pro licenses safely through audited distribution partners.
Join Seirin Discord
Release updates, community scripts, support channels, and weekly Luau workshops.
Verified Resellers Directory
All vendors below are verified with security deposits. Never purchase from unlisted sources.
Aegis Keys Official
Discord: @aegiskeys
Vynx Global Store
Telegram: @vynxstore
Nexus Vending
Discord: discord.gg/nexusvending