Visualize the emotional arc of any GitHub repo.
Paste a GitHub repo URL. Get back a week-by-week emotional timeline — which weeks the team was shipping, which weeks they were firefighting, and what the overall vibe was.
Visit commit-vibe.fly.dev and paste any public GitHub repo URL.
https://github.com/owner/repo or just owner/repo
No login. No setup. Results in seconds for small repos.
GitHub repo URL
↓
Fetch all commits via GitHub API (paginated)
↓
Classify each commit message
→ Conventional prefix? feat: fix: refactor: → confidence 0.9
→ Body keyword match? 2+ matches → confidence 0.65
→ Body keyword match? 1 match → confidence 0.5
→ No match neutral fallback → confidence 0.1
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Apply stress multiplier per commit timestamp
weekday normal → 1.0×
late night → 1.3× (10 pm – 6 am)
weekend → 1.5×
late night + weekend → 1.8×
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Group into calendar weeks (Monday-anchored)
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Calculate per-week dominant emotion (count × avg confidence)
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Render timeline + vibe summary + contributor breakdown
| Emotion | Emoji | Color | Keywords |
|---|---|---|---|
| Excited | 🎉 | #22c55e |
feat, add, new, create, launch, ship |
| Frustrated | 😤 | #ef4444 |
fix, bug, patch, hotfix, workaround, hack |
| Motivated | 🔥 | #f97316 |
refactor, clean, improve, optimize, upgrade |
| Desperate | 💀 | #8b5cf6 |
revert, rollback, urgent, emergency, break |
| Neutral | 😐 | #6b7280 |
docs, chore, ci, config, update, bump |
| Thinking | 🤔 | #eab308 |
wip, tmp, test, experiment, try, draft |
Korean keywords are supported alongside English.
| Metric | What it measures |
|---|---|
| Volatility | How often the dominant emotion changes week over week (0 – 1.0) |
| Revert ratio | Share of :desperate commits out of total |
| Stress index | Average stress multiplier across all commits |
git clone https://github.com/bssm-oss/commit-vibe
cd commit-vibe
mix setup
mix phx.server # → http://localhost:4000Optional — set a GitHub token to raise the API rate limit from 60 to 5000 req/hr:
export GITHUB_TOKEN=ghp_xxx
mix phx.serverfly launch # first time
fly deploy # subsequent# fly.toml
app = 'commit-vibe'
primary_region = 'nrt'
[[vm]]
memory = '512mb'
cpu_kind = 'shared'
cpus = 1Required secrets: SECRET_KEY_BASE, GITHUB_TOKEN (optional but recommended).
mix setup # install deps + build assets
mix test # run test suite
mix precommit # compile --warnings-as-errors + format + test
mix phx.server # dev server with live reloadTests cover: emotion classifier, timeline builder, GitHub API client (Mox), OG image generator.
MIT