#code review hackathon ideas

6 ideas across 2 categories · 0 beginner · 6 intermediate · 0 advanced. Sorted by judging fit (editorial estimate).

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Devtools
Pull Request Risk Score
Score each PR for risk so reviewers focus where it matters
Intermediate16h1–2
GitHub APINode.jsLLM
18/20
Devtools
OpenAPI Breaking Change Detector
Detect breaking API changes in pull requests before clients break
Intermediate14h1–2
OpenAPINode.jsGitHub Actions
17/20
Devtools
Unit Tests from Diffs
Generate missing unit tests for the code changed in a PR
Intermediate16h1–2
LLMNode.jsVitest
17/20
Devtools
Semgrep Rule from Example
Show a bad code example and get a static analysis rule that finds it everywhere
Intermediate12h1
SemgrepLLMNode.js
17/20
Devtools
Code History Explainer
Ask why a line of code exists and get the story from commits and PRs
Intermediate14h1–2
GitGitHub APILLM
17/20
EdTech
Anonymous Peer Code Review
Students review each other's code anonymously with a guided checklist
Intermediate14h2–3
Next.jsPostgresLLM
16/20

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