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Manages Claude Code plugin marketplaces. This skill should be used when adding new plugins, updating marketplace configuration, keeping documentation in sync, or scaffolding plugin directory structures. Activates for tasks involving marketplace.json, plugin.json, or plugin README files.
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.
80 critical findings reported by cisco-skill-scanner, agent-audit-kit, 70 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 -- 'manifoldlogic/claude-code-plugins (marketplace-manager)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'manifoldlogic/claude-code-plugins (marketplace-manager)' ~/.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
0 findings · 0.8s
v2.0.11
253 findings · 41.6s
v0.3.74
27 findings · 11.6s
v0.1.0
0 findings · 7.1s
v0.1.0
70 findings · 7.1s
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 · 1.1s
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 21, 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 350 findings across every scanner that examined this package. 10 of 80 findings rated critical by their scanner were among the dismissals.
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 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE, opt.nerlo-rules.nerlo-install-run-bundled-artifact · Files: /repo/plugins/maproom/tests/SKILL.md, /repo/plugins/sdd/docs/SKILL.md, /repo/plugins/sdd/test/fixtures/pr-comments/SKILL.md and 4 more · reported by cisco-skill-scanner, nerlo-install-instruction
10 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: YARA_command_injection_generic · Files: /repo/plugins/maproom/tests/behavioral-validation.md, /repo/plugins/maproom/tests/SKILL.md · reported by cisco-skill-scanner
2 Agent instruction file — The match is in a file that instructs an AI coding agent — a CLAUDE.md or similar. It is documentation of intent, and our own check confirmed it is not part of what gets installed.
Rules: AAK-AGENT-003 · Files: CLAUDE.md · reported by agent-audit-kit
These findings are in files this artifact installs and are not placeholder values. No false-positive basis can be corroborated for such a finding, so this review never dismisses one; they were not sent to the model and stand at their scanner's severity.
78 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/wrapper-with-fallback-pattern/SKILL.md, /repo/.claude/skills/shell-script-input-validation/SKILL.md, /repo/.claude/skills/skill-md-structure/SKILL.md and 75 more · reported by cisco-skill-scanner
61 TOOL_ABUSE_SYSTEM_MODIFICATION
Files: /repo/plugins/sdd/skills/project-workflow/scripts/scaffold-ticket.sh, /repo/plugins/sdd/skills/project-workflow/scripts/test-backward-compatibility.sh, /repo/plugins/sdd/hooks/test-log-session-transcript.sh · reported by cisco-skill-scanner
50 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/plugins/cmux/README.md, /repo/plugins/cmux/skills/terminal-management/SKILL.md, /repo/plugins/cmux/skills/terminal-management/scripts/test-cmux-wait.sh and 22 more · reported by nerlo-install-instruction
37 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/plugins/github-actions/skills/gh-cli/SKILL.md, /repo/plugins/worktree/skills/tab-close-race-mitigation/SKILL.md, /repo/plugins/worktree/skills/worktree-open-all/SKILL.md and 34 more · reported by cisco-skill-scanner
20
Artifact has critical path traversal and command injection capabilities.
The artifact includes capabilities for path traversal in `plugins/sdd/hooks/workflow-guidance.py`, which could allow access to arbitrary files. It also contains multiple instances of command injection in `/repo/plugins/cmux/skills/terminal-management/scripts/test-cmux-ssh.sh` and coercive injection in `/repo/plugins/sdd/hooks/block-dangerous-git.py`, enabling shell execution. Additionally, there are numerous instances of system modification capabilities across various scripts, including those related to session transcripts and project workflows.
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.
Files: /repo/plugins/sdd/skills/project-workflow/scripts/master-status-board.sh, /repo/plugins/sdd/skills/project-workflow/scripts/sdd-loop.sh · reported by cisco-skill-scanner
17 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/plugins/cmux/skills/terminal-management/scripts/test-cmux-wait.sh, /repo/plugins/iterm/skills/pane-management/SKILL.md, /repo/plugins/iterm/skills/pane-management/scripts/iterm-split-pane.sh and 4 more · reported by nerlo-install-instruction
14 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
12 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/plugins/sdd/hooks/setup-sdd-env.js · reported by cisco-skill-scanner
9 AAK-HEALTHCARE-AI-004
Files: plugins/vscode/README.md, plugins/maproom/agents/maproom-cleric.md, plugins/maproom/skills/maproom-guide-maintenance/SKILL.md and 6 more · reported by agent-audit-kit
6 PIPELINE_TAINT_FLOW
Files: /repo/plugins/maproom/skills/maproom-search/references/embedding-providers.md, /repo/plugins/maproom/skills/maproom-search/references/SKILL.md · reported by cisco-skill-scanner
4 YARA_coercive_injection_generic
Files: /repo/plugins/worktree/skills/worktree-management/SKILL.md, /repo/plugins/sdd/hooks/block-dangerous-git.py · reported by cisco-skill-scanner
4 YARA_command_injection_generic
Files: /repo/plugins/cmux/skills/terminal-management/scripts/test-cmux-ssh.sh · reported by cisco-skill-scanner
3 EXCESSIVE_FILE_COUNT
Files: /repo/plugins/., /repo/., /repo/plugins/sdd/. · reported by cisco-skill-scanner
3 HIDDEN_DATA_FILE
Files: /repo/plugins/rust-analyzer-lsp/.lsp.json · reported by cisco-skill-scanner
2 PROMPT_INJECTION_IGNORE_INSTRUCTIONS
Files: /repo/plugins/maproom/agents/maproom-researcher.md, /repo/plugins/maproom/agents/SKILL.md · reported by cisco-skill-scanner
1 AAK-IPI-WILD-CORPUS-001
Files: plugins/maproom/skills/maproom-search/references/troubleshooting.md · reported by agent-audit-kit
1 AAK-MCP-AUTH-PATHTRAVERSAL-001
Files: plugins/sdd/hooks/workflow-guidance.py · reported by agent-audit-kit
1 MANIFEST_DESCRIPTION_TOO_LONG
Files: /repo/plugins/maproom/agents/SKILL.md · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-install-destructive-system-command
Files: /repo/plugins/sdd/README.md · reported by nerlo-install-instruction
1 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/plugins/maproom/skills/maproom-search/references/embedding-providers.md · reported by nerlo-install-instruction
Showing 25 of 102; the rest are in the per-scanner reports above.