Devtools
Webhook Inspector and Replayer
Capture, inspect and replay webhooks while building integrations
Beginner10h1
Node.jsNext.jsPostgres
17/20Stack Trace Explainer
Paste an error and get the likely cause, the relevant line and a fix.
Beginner10h1 person17/20 fit
Build Stack Trace Explainer for beginner developers in ~10h with 1 person. Stack: LLM + Node.js + Tree-sitter.
Why it wins: Helpful for every beginner at a hackathon.
Build flow
01 · Problem
Beginners get stuck for hours on cryptic stack traces.
02 · Solution
Parse the trace, locate the user's code frames, read the relevant source and explain the cause with a suggested fix.
03 · Build
- 1Parse traces
- 2Map to files
- 3Read source
- 4Explain
04 · Demo
Paste a null reference error and see the fix.
MVP checklist
- Trace parsing
- Frame focus
- Cause explanation
- Fix suggestion
Tech stack
| Tech | Role | |
|---|---|---|
| LLM | Language model | AI |
| Node.js | Backend runtime | Backend |
| Tree-sitter | Code parsing | Tool |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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