Buglyst
Explore Practice
Company-style practice only. Not official. Not affiliated with Microsoft.
Company-style track

Microsoft-style Backend Debugging

Backend debugging patterns for API contracts, auth headers, CI/CD, and data consistency.

Patterns trained

  • checkAPI contracts
  • checkauth headers
  • checkAPI lifecycle
  • checkCI/CD
  • checkdata consistency

Who it's for

Backend and platform engineers focused on API contracts and data consistency.

4Ready preview
21Planned
~55mPreview time
Progression path

Start with headers and auth, then progress into CI/CD and data consistency. New to debugging? Try a Guided incident first.

Core solving stays unlocked. Full track packaging is coming later; no payments or auth are active.

Start ready challengearrow_forwardExplore practice modes

Mapped ready incidents

Playable now — Buglyst incidents mapped to company-style patterns.

terminalThe Missing Header
Easy
terminalAccessDenied at 3AM
Medium
terminalThe Stale Lock
Easy
terminalThe N+1 That Wasn't
Medium

Relevant OSS-backed labs

Real open-source bug-fix history that trains the same pattern family.

account_treeThe Double Close
Playable · ready

Planned challenges

Roadmap context only. These are not playable.

38Soft Delete Filter Missing
Planned
16Missing Env Default
Planned
17Boolean Query Param Trap
Planned
18Header Case Mismatch
Planned
20Wrong Config Precedence
Planned
21Off By One Page Start
Planned
22Expiry Unit Mismatch
Planned
23Missing Content-Type Charset
Planned
25Empty Array Treated As Missing
Planned
27Test Env Uses Production Config
Planned
28File Path Slash Bug
Planned
30Pagination Last Page Empty
Planned
33Transaction Rollback Missing
Planned
39Mock Not Reset
Planned
41Webhook Signature Timestamp Drift
Planned
42Search Cursor Reused
Planned
44Build Artifact Path Mismatch
Planned
52Log Redaction Missing
Planned
54CI Cache Poisoned
Planned
55Database Read Replica Lag
Planned
57DST Boundary Report Bug
Planned