The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Kdb listing page.
Give your AI the superpower of traveling back in time to find what went wrong and fix the timeline.
🌐 Website • 🎉 Start Free • 📖 Docs
Follow the prompts to sign in with Google and auto-configure your MCP client.
Add to your MCP client config (Claude Code, Cursor, etc.):
That's it! 🎊 Ask your AI: "Debug my crashing program"
Time-travel debugging for AI workflows. Step forward. Step backward. Debug as if the bug never existed.
| Feature | Description |
|---|---|
| ⏪ Step Backward | Rewind execution to find root causes |
| ⏩ Step Forward | Resume from any checkpoint |
| 🎯 Breakpoints | Hardware-level with hit counting |
| 📚 Stack Traces | SIMD-accelerated unwinding |
| 🔐 Audit Trail | Hash-chain integrity for compliance |
No local installation. Works on macOS, Windows, Linux via MCP.
| Tier | Price | Sessions |
|---|---|---|
| 🆓 Hobby | Free | 5/month (unlimited during 7-day trial!) |
| 💎 Pro | $19/mo | 100/month + unlimited time-travel |
| 🔧 Engineer | $49/mo | 500/month + memory replay + LSH bug search |
| 👥 Teams | $129/mo | 2,000/month + team audit logs |
| 🏢 Enterprise | Custom | Unlimited + SOX/SOC2/GDPR/HIPAA compliance |
Your AI gets these debugging superpowers:
debugger_attach - Connect to a processdebugger_set_breakpoint - Set breakpointsdebugger_continue - Resume executiondebugger_step_forward - Step forwarddebugger_step_backward - ⏪ Step backward in timedebugger_get_stack_trace - Get stack tracedebugger_get_variables - Read memorydebugger_export_trace - Export execution traceYou: "My Rust program crashes at runtime. PID is 12345"
AI:
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