Developer Tools●●●Banger
Open-source Cursor cost tracker with anomaly detection and Slack alerts
First tool addressing Cursor spend blind spot; anomaly detection catches agent runaway loops.
Solve My ProblemDark Horse
ofershapira
103mo ago
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GitHub Repository
Monitor Cursor IDE usage, detect spending anomalies, and alert your team. Self-hosted, open-source.
27 starsTypeScript
Monitor your team's Cursor AI spend before the invoice hits
by ofershap·Feb 22, 2026·1 point·0 comments
AI Analysis
●●●BangerSolve My ProblemDark HorseShip It
Catches runaway AI spend before invoicing hits; three-layer anomaly detection stops opus-max surprises.
Strengths
- •Real problem with quantified ROI: $6K/month saved. Solves blind spot Cursor admin UI doesn't address.
- •Three-layer anomaly detection (thresholds + z-score + trend) beats naive single-threshold alerts.
- •Self-hosted SQLite + Docker in 5 minutes removes deployment friction and data residency concerns.
Weaknesses
- •Requires Cursor Enterprise API access; locks out SMBs and individual Cursor subscribers.
- •No open-source competitor comparison shown—unclear if this duplicates unreleased Cursor roadmap features.
Category
Target Audience
Engineering managers and finance teams at companies with 50+ Cursor Enterprise licenses
Similar To
Datadog (APM cost monitoring) · CloudHealth (cloud spend optimization)
Post Description
My company has 100+ developers on Cursor. One of our devs switched to
opus-max thinking "fast" meant cheaper. It costs 35x more per request.
He burned $1,200 in a single day before anyone noticed.
That's when I built this. It connects to Cursor's Enterprise APIs and gives you per-developer spend breakdown by model, three-layer anomaly detection (thresholds, z-score, trend analysis), Slack/email alerts on spend spikes, and incident tracking with MTTD/MTTI/MTTR.
We've saved our team ~$6K/month just by identifying devs running long sessions with massive context caches and helping them start fresh chats.
Self-hosted, SQLite, Docker. Clone and run in 5 minutes. MIT licensed.
GitHub: https://github.com/ofershap/cursor-usage-tracker
Demo (90s): https://youtube.com/watch?v=DqPjFWGI57A
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