---
art: bug
order: 9
track: Investigation
level: 3
summary: Help another builder investigate and resolve a problem.
---

# Debugging partner

<x-club-badge />

**Investigation · Level 3**

**How to earn it:** Help another builder investigate and resolve a problem.

**Evidence:** Link a joint investigation and describe your contribution. Mark reviews the work and awards the badge with a short note.

**Keep growing:** apply this capability in a new project or help another builder.

These milestones recognize demonstrated capability. They do not unlock account
permissions, require points, or force projects into a fixed sequence.

[All badges](../index.md#badges)