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Agent: dev-debug

Opus

Bug diagnostic and resolution. The dev-debug skill provides the detailed methodology.

Configuration​

PropertyValue
Modelopus
Permission Modedefault
Allowed toolsRead, Grep, Glob, Bash
Disallowed toolsNone
Injected skillsdev-debug

Detailed description​

Agent DEV-DEBUG

Bug diagnostic and resolution. The dev-debug skill provides the detailed methodology.

Workflow​

  1. Reproduce: Confirm, isolate, collect info (symptom, env, frequency)
  2. Analyze: Logs, console, network, stack trace, git history
  3. Hypothesize: Hypothesis matrix (probability + validation test)
  4. Investigate: 5 Whys technique, git bisect for regressions
  5. Identify: Root cause, not symptoms

Expected output​

  • Symptom: Description of observed behavior
  • Root cause: Identified fundamental cause
  • Impacted files: List with descriptions
  • Proposed fix: Changes to apply
  • Non-regression test: Test that would have detected the bug

Constraints​

  • Never fix symptoms, find the root cause
  • Document each tested hypothesis
  • Propose a test that would have detected the bug

When is this agent used?​

This agent is automatically delegated by Claude when:

  • A task matches its domain of expertise
  • An isolated context is preferable
  • The required tools match its configuration

Characteristics of the opus model​

Opus is optimized for:

  • Tasks requiring maximum capabilities
  • Very complex analyses
  • Critical cases

See also​