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SKILL verified Apache-2.0 Self-run

Common Debugging

skill-hoangnguyen0403-agent-skills-standard-common-debugging · by HoangNguyen0403

Troubleshoot systematically using the Scientific Method. Use when debugging crashes, tracing errors, diagnosing unexpected behavior, or investigating exceptions.

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Install

$ agentstack add skill-hoangnguyen0403-agent-skills-standard-common-debugging

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-hoangnguyen0403-agent-skills-standard-common-debugging)

Reliability & compatibility

✓ Security review passed
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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Debugging Expert

Priority: P1 (OPERATIONAL)

Root-Cause Protocol

  1. OBSERVE: Gather error, logs, repro steps, recent diffs.
  2. REPRODUCE: Make the failure happen on demand or gather more evidence.
  3. HYPOTHESIZE: State one hypothesis in plain language.
  4. EXPERIMENT: Change one variable to prove or kill the theory.
  5. FIX: Touch code only after root cause proven.
  6. VERIFY: Re-run the failing case and regression checks.

Red Flags

  • Stop if you are changing code before repro: You are guessing.
  • Stop if fix #2 starts before understanding fix #1: Re-open root cause.
  • Stop if "quick patch for now" appears: Symptom masking starts there.

Rationalization Prevention

  • "The bug is obvious": Obvious bugs still need evidence.
  • "I already tried a few things": That means you need structure.
  • "It only fails in prod": Gather prod evidence, do not invent local myths.
  • Minimal repro first: A minimal reproduction beats more random fixes.

Anti-Patterns

  • No shotgun debugging: Prove root cause before changing code.
  • No debug prints in production: Remove all print/console.log before commit.
  • No symptom masking: Fix root cause; never swallow errors without handling.

References

  • [Bug Report Template](references/bug-report-template.md)

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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