The turnkey, zero-dependency local workstation built for sports card and TCG breakers on Whatnot, TikTok Live, YouTube, and Twitch. Stop wrestling messy spreadsheets on stream: manage spot assignments, live break P&L margins, cryptographic random draws, instant OBS stream overlays, and 4-stage shipping with printable packing slips.
AUTHENTIC PRODUCT FOOTAGE 1080P WALKTHROUGH
Authentic recorded browser session of Card Breaker Hit Ledger 3.0.1 executing a live pull entry, calculating updated break totals, and routing cards into the buyer shipping queue.
OPERATOR WORKSTATION VERIFIED WINDOWS 10/11 SUPPORT
Card Breaker 3.0.1 is engineered for real stream setups running Windows 10 or 11 alongside OBS Studio, Whatnot, and webcams.
C:\Breaks\card-breaker-3.0.1> start-windows.bat ============================================================ Card Breaker / Hit Ledger 3.0.1 — Windows Launcher ============================================================ [INFO] Verifying Python 3.10+ installation... [INFO] Found Python 3.12.3 at C:\Users\Breaker\AppData\Local\Programs\Python\ [INFO] Starting local persistence server on http://127.0.0.1:8765 ... [INFO] Opening Hit Ledger in your default browser... [INFO] Server running. Press Ctrl+C in this window to stop cleanly. ------------------------------------------------------------ [SERVER] 127.0.0.1 - - [23/Oct/2026 02:18:00] "GET /hit-ledger.html HTTP/1.1" 200 - [SERVER] 127.0.0.1 - - [23/Oct/2026 02:18:01] "GET /api/state HTTP/1.1" 200 - [SERVER] 127.0.0.1 - - [23/Oct/2026 02:18:12] "PUT /api/state HTTP/1.1" 200 - [SUCCESS] State saved atomically to ledger-state.json (24,180 bytes)
C:\Breaks\card-breaker-3.0.1> py -3 test_e2e.py ====================================================================== Card Breaker 3.0.1 End-to-End Verification Suite ====================================================================== [SUITE 1/5] Backend REST & Atomic Persistence .......... PASS (6/6 checks) [SUITE 2/5] Security Allowlist & Path Traversal Defense . PASS (4/4 checks) [SUITE 3/5] Headless Chromium E2E (10 Upgrades) ......... PASS (10/10 checks) [SUITE 4/5] Fail-Closed Storage Resilience .............. PASS (4/4 checks) [SUITE 5/5] Unicode Paths & Windows Port Reuse .......... PASS (5/5 checks) ---------------------------------------------------------------------- FINAL VERDICT: 29 / 29 PASS · 0 FAILURES · 0 WARNINGS · VERIFIED
| WINDOWS CAPABILITY | IMPLEMENTATION DETAILS | OPERATIONAL BENEFIT |
|---|---|---|
| Double-Click Launchers | start-windows.bat & start-windows.ps1 | Auto-detects Python 3.10+, checks PATH, and opens default browser automatically. |
| Read-Only Directory Protection | %LOCALAPPDATA%\CardBreaker\ledger-state.json | If launched from Program Files or read-only USB, automatically redirects state to user AppData. |
| Microsoft Excel Compatibility | UTF-8 BOM (\uFEFF) + CRLF (\r\n) Line Endings | Exported Hits CSV and Shipping manifests open in Excel on Windows without character corruption. |
| Formula Injection Defense | Quotes fields starting with =, +, -, @, \t, \r | Protects operator spreadsheets from malicious buyer names containing CSV command injection. |
| Port Reuse & Clean Shutdown | SO_REUSEADDR on localhost 127.0.0.1:8765 | Stopping with Ctrl+C frees port immediately; restarting does not trigger port conflict errors. |
CORE CAPABILITIES 10 MAJOR UPGRADES
Every feature built directly from live breaker feedback across Whatnot, Fanatics Live, and TikTok streams.
Type team, player name, card series, serial number, and estimated value with keyboard-friendly hotkeys. Tag with RC, Auto, Patch, 1/1, Case Hit, or Redemption with one click.
Input spot price, box cost, and platform fee percentage. Card Breaker calculates real-time Gross Revenue, Net Profit ($), Breaker Margin (%), and Total Pulled Hit Value as cards are logged.
Browser localStorage provides instant UI responsiveness while serve.py commits atomic writes to ledger-state.json on disk. Server restart or browser crash? Your data is safe.
"Show your chat the top pulls without blocking the camera."
Add http://127.0.0.1:8765/hit-ledger.html?overlay=1 as a 1200x140 Browser Source in OBS. Transparent dark ticker displays active break title, open spot count, crowned Top Hit, and recent pulls in real time.
"Eliminate 'Where is my card?' DMs once and for all."
Groups open hits by buyer handle. One-click "Pack all", printable buyer packing slips, attach USPS / UPS / FedEx tracking links, and export ready-to-import CSVs for PirateShip and ShipStation.
"Provably fair team assignment viewers can verify themselves."
Lock buyer spots before streaming, post the SHA-256 commitment hash into chat, execute deterministic Fisher-Yates team shuffling on stream, and publish the reveal seed for viewer audit.
"One tool whether you break Topps Chrome, Prizm, or Pokémon."
Built-in verified rosters for NBA (30 teams), NFL (32 teams), MLB (30 teams), NHL (32 teams), and WNBA (13 teams), plus flexible custom spot lists for Pokémon, Magic, and non-sports breaks.
SYSTEM REQUIREMENTS LOCAL SPECIFICATIONS
Card Breaker is entirely self-contained. It requires zero cloud accounts, zero paid API keys, and zero telemetry.
http.server, json, hashlib, urllib).localStorage enabled.127.0.0.1. No internet connection required during breaks.