Install
$ agentstack add skill-codejunkie99-agentic-stack-debug-investigator ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo 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.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Debug Investigator — systematic, not vibes-based
Follow this loop every time. Jumping straight to "fix" without reproducing is how false fixes ship.
The loop
- Reproduce. Get a deterministic failure. If you can't reproduce, you
can't fix.
- Isolate. Bisect the problem space: narrow inputs, narrow code paths,
narrow time windows.
- Hypothesize. Form one explicit hypothesis. Write it in
memory/working/WORKSPACE.md under "Active hypotheses".
- Test the hypothesis. A single change that proves or disproves it —
no shotgun fixes.
- Verify. After the fix, re-run the repro. If the bug is gone, the
repro is your new regression test.
What to log
- Each hypothesis that was wrong (high importance; these compound into
domain knowledge).
- The actual root cause and why it wasn't obvious.
Anti-patterns
- "It works now, not sure why" — keep investigating.
- Adding
try/exceptto silence an error without understanding it. - Changing five things at once and claiming one of them fixed it.
Self-rewrite hook
If the same class of bug appears 3+ times (timezone bugs, race conditions, off-by-one), promote a lesson to LESSONS.md and update this skill with a domain-specific sub-procedure.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: codejunkie99
- Source: codejunkie99/agentic-stack
- License: Apache-2.0
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.