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(ywc) Use when the user explicitly wants autonomous end-to-end delivery through Plan -> Execute -> Evaluate -> Repeat; supports resuming an existing `tasks/` run with `--resume`. Triggers: "agentic end-to-end lifecycle", "run the full lifecycle", "ywc-agentic", "자율 end-to-end 실행", "自律エンドツーエンド実行". Do not use for generic planning (use ywc-plan), an ordinary direct change (use the implementation workflow), or one-off execution without autonomous orchestration (use an executor).
Claude Skills are markdown + scripts loaded into Claude Code; scanned with the same pipeline.
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
8 critical findings reported by cisco-skill-scanner, agent-audit-kit, 6 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
Claude Skills install to a single target, no runtime picker.
nerlo install -- 'yongwoon/ywc-agent-toolkit (ywc-agentic)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'yongwoon/ywc-agent-toolkit (ywc-agentic)' ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v1.4.0
8 findings · 0.6s
v2.0.11
594 findings · 140.3s
v0.3.74
30 findings · 35.9s
v0.1.0
1 finding · 17.4s
v0.1.0
45 findings · 17.5s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 1.0s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 20, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicable | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 678 findings across every scanner that examined this package. None of the 8 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 326 findings stand exactly as their scanners reported them, at full severity, as they would have without this review.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
13 Test or fixture file — The match is in a test or fixture. Our own check confirmed the file is not part of what gets installed.
Rules: MANIFEST_MISSING_LICENSE, opt.nerlo-rules.nerlo-install-shell-inline-command · Files: /repo/scripts/fixtures/codex-description-limit/500-pass/SKILL.md, /repo/scripts/fixtures/codex-description-limit/missing-frontmatter/SKILL.md, /repo/scripts/fixtures/codex-description-limit/501-fail/SKILL.md and 10 more · reported by cisco-skill-scanner, nerlo-install-instruction
4 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: opt.nerlo-rules.nerlo-install-run-bundled-artifact · Files: /repo/docs/skill-agent-eval/codex/2026-07-06-full-sweep-mechanical.md, /repo/docs/skill-agent-eval/codex/2026-08-12-full-sweep.md, /repo/docs/ywc-plans/20260812-codex-architecture-invariants.md · reported by nerlo-install-instruction
2 CI or editor configuration — The match is in build, CI or editor configuration, confirmed by our own check to be outside the installed artifact.
Rules: MANIFEST_INVALID_NAME · Files: /repo/.github/ISSUE_TEMPLATE/SKILL.md, /repo/.github/SKILL.md · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
333 MANIFEST_MISSING_LICENSE
Files: /repo/.codex/skills/ywc-codex-toolkit-eval/SKILL.md, /repo/codex/skills/ywc-agentic/SKILL.md, /repo/codex/skills/ywc-impl-review/SKILL.md and 330 more · reported by cisco-skill-scanner
293 The model's answer could not be read.
Rules: AAK-SKILL-003, YARA_command_injection_generic, opt.nerlo-rules.nerlo-install-pipe-to-shell and 28 more · Files: codex/skills/ywc-receive-review/SKILL.md, codex/skills/ywc-e2e-test-strategy/SKILL.md, claude-code/skills/ywc-receive-review/SKILL.md and 258 more · reported by agent-audit-kit, cisco-skill-scanner, nerlo-install-instruction and 2 more
33 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE, opt.nerlo-rules.nerlo-install-run-bundled-artifact, PROMPT_INJECTION_IGNORE_INSTRUCTIONS · Files: /repo/.githooks/pre-commit, /repo/.tracepilot/project.json, /repo/CONTRIBUTING.md and 23 more · reported by cisco-skill-scanner, nerlo-install-instruction
Artifact contains critical vulnerabilities, including potential shell execution and sensitive data handling.
The artifact includes critical findings related to potential command injection in Python scripts, which could lead to shell execution. Multiple critical findings from the 'bearer' scanner in various Python scripts suggest sensitive data handling or insecure configurations. Additionally, high-severity findings indicate potential shell execution during installation and the presence of prompt injection vulnerabilities in markdown files.
Concern level assessed by the review: Critical. This is the review's scale, not the registry badge.
Reviewed by gemini-2.5-flash. The model sees the findings, not your code, and cannot change a score.
Showing 14 of 14; the rest are in the per-scanner reports above.