Buglyst
Explore Practice
Beginner Path

Start here if real repos feel intimidating.

Five beginner-friendly incidents that teach the Buglyst workflow without throwing you into a massive OSS repo.

What the path teaches
  1. 1Reproduce a bug
  2. 2Trace a file path
  3. 3Make a minimal fix
  4. 4Tag root cause
  5. 5Submit with hidden validation
1
EasyLive

Pagination off by one

Page 1 skips the first N items.

Skill trained
Reading a failing test and spotting an off-by-one boundary.
Why it matters
Boundary bugs are the most common silent data error in real APIs.
HTTP/API·~10 min
Start with guidanceStart
2
EasyLive

The Phantom Env Var

Works locally. Fails in CI after a config change.

Skill trained
Tracing config that works locally but breaks in CI.
Why it matters
Environment drift is the #1 cause of 'works on my machine' incidents.
Config & Environment·~12 min
Start with guidanceStart
3
EasyLive

The Case-Sensitive Config

Works on macOS, fails in Linux CI.

Skill trained
Catching case-sensitivity mismatches between config and code.
Why it matters
Linux is case-sensitive; a single wrong letter takes prod down.
Config & Environment·~10 min
Start with guidanceStart
4
EasyLive

The Broken Health Check

Deployment rolls back even though app is alive.

Skill trained
Understanding why a health endpoint reports the wrong status.
Why it matters
A lying health check makes load balancers route into broken pods.
Deployment·~16 min
Start with guidanceStart
5
MediumLive

CORS origin parsing bug

Regex origin validation allows malicious domains.

Skill trained
Parsing and matching request origins safely.
Why it matters
CORS bugs either block real users or open a security hole.
Security·~15 min
Start with guidanceStart