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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.
194 critical findings reported by cisco-skill-scanner, agent-audit-kit, 175 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/thebushidocollective/han, 2206 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- han
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- han ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
6 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
Incomplete run
9 findings · 1.2s
v2.0.11
1656 findings · 95.4s
v0.3.74
460 findings · 46.0s
v0.1.0
30 findings · 19.0s
v0.1.0
60 findings · 19.0s
v0.1.0
0 findings · 28.0s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
2 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Sep 3, 2026 | Scan Halted | — | agentshield ·!: incompletecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | rejected |
| Aug 11, 2026 | Scan Halted | — | agentshield ·!: incompletecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·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 2,215 findings across every scanner that examined this package. 19 of 194 findings rated critical by their scanner were among the dismissals.
Not reviewed is not the same as clean. Those 107 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.
82 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: PIPELINE_TAINT_FLOW, opt.nerlo-rules.nerlo-install-pipe-to-shell, SECRET_CONNECTION_STRING and 2 more · Files: /repo/CLAUDE.md, /repo/website/content/blog/checkpoint-system.md, /repo/website/content/blog/han-meets-kiro.md and 24 more · reported by cisco-skill-scanner, nerlo-install-instruction
42 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: COMMAND_INJECTION_JS_CHILD_PROCESS, AAK-MCP-AUTH-PATHTRAVERSAL-001, FILE_MAGIC_MISMATCH and 2 more · Files: /repo/packages/browse-client/tests/global-setup.ts, /repo/website/lib/git-contributors.ts, /repo/website/scripts/generate-paper-revisions.ts and 26 more · reported by cisco-skill-scanner, agent-audit-kit
40 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: AAK-AGENT-TRUST-002, AAK-GHA-IMMUTABLE-001, LOW_ANALYZABILITY and 2 more · Files: .github/workflows/auto-fix-ci.yml, .github/workflows/claude-code-review.yml, .github/workflows/claude.yml and 18 more · reported by agent-audit-kit, cisco-skill-scanner
4 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-002, AAK-HEALTHCARE-AI-004, AAK-AGENT-001 · Files: AGENTS.md, CLAUDE.md, plugins/services/playwright-mcp/agents/ui-debugger/AGENT.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.
676 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/create-blog-post/SKILL.md, /repo/.claude/skills/research-new-features/SKILL.md, /repo/.claude/skills/create-hashi/SKILL.md and 673 more · reported by cisco-skill-scanner
339 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
211 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/blueprints/SKILL.md, /repo/cert-server/SKILL.md and 208 more · reported by cisco-skill-scanner
126 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/packages/han/bin/han.js, /repo/packages/han/lib/commands/coordinator/launchd/install.ts, /repo/packages/han/lib/commands/hook/auto-detect.ts and 17 more · reported by cisco-skill-scanner
114 HIDDEN_DATA_FILE
Files: /repo/.ai-dlc/vcs-strategy-config/unit-02-vcs-detection.md, /repo/.ai-dlc/ai-dlc-website/unit-05-seo-feeds.md, /repo/.ai-dlc/browse-dashboard-overhaul/intent.md and 107 more
The model could have called any of these a false positive and did not.
14 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/website/scripts/generate-marketplace.ts, /repo/website/scripts/generate-paper-revisions.ts, /repo/website/scripts/generate-rss.ts and 2 more · reported by cisco-skill-scanner
2 LOW_ANALYZABILITY
Files: /repo/website, /repo/website/features · reported by cisco-skill-scanner
1 AAK-LEGAL-002
Files: website/package.json · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/website/. · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-hardcoded-external-egress
Files: /repo/website/app/components/ActivityIndicator.tsx · reported by nerlo-behavioral
100 The model did not answer for these findings.
Rules: DATA_EXFIL_JS_FS_ACCESS, AAK-AGENT-TRUST-001, DATA_EXFIL_JS_NETWORK · Files: /repo/website/app/papers/[slug]/page.tsx, /repo/website/app/plugins/[category]/[slug]/hooks/[hookfile]/page.tsx, /repo/website/app/plugins/[category]/[slug]/page.tsx and 17 more · reported by cisco-skill-scanner, agent-audit-kit
7 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE, skills-missing-governance-commands/create-blog-post.md, skills-missing-governance-commands/create-plugin.md and 4 more · Files: /repo/.ai-dlc/third-party-plugins/unit-04-example-plugin.md, commands/create-blog-post.md, commands/create-plugin.md and 1 more · reported by cisco-skill-scanner, agentshield
Artifact exhibits critical command injection and credential access risks.
The artifact contains numerous instances of potential command injection, including via JavaScript child processes and `eval` in installed code. It also has findings related to SQL injection and credential harvesting. Specific attention is warranted for potential path traversal in `watcher_bridge.rs` and general taint flow in `browse/index.ts`.
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.
105 DATA_EXFIL_JS_NETWORK
Files: /repo/packages/browse-client/src/hooks/useCoordinatorHealth.ts, /repo/packages/browse-client/src/relay/environment.ts, /repo/packages/han/bin/han.js and 16 more · reported by cisco-skill-scanner
51 PIPELINE_TAINT_FLOW
Files: /repo/.claude/rules/plugin-installation-ux.md, /repo/blueprints/build-deployment.md, /repo/blueprints/distribution-architecture.md and 30 more · reported by cisco-skill-scanner
29 MANIFEST_INVALID_NAME
Files: /repo/plugins/languages/php/skills/php-composer-autoloading/SKILL.md, /repo/plugins/languages/gleam/skills/gleam-actor-model/SKILL.md, /repo/plugins/languages/gleam/skills/gleam-type-system/SKILL.md and 26 more · reported by cisco-skill-scanner
29 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/.claude/rules/plugin-installation-ux.md, /repo/README.md, /repo/blueprints/build-deployment.md and 20 more · reported by nerlo-install-instruction
26 COMPOUND_EXTRACT_EXECUTE
Files: /repo/plugins/languages/crystal/scripts/lsp-entrypoint.sh, /repo/plugins/languages/erlang/scripts/lsp-entrypoint.sh, /repo/plugins/languages/java/scripts/lsp-entrypoint.sh and 7 more · reported by cisco-skill-scanner
20 TOOL_ABUSE_SYSTEM_PACKAGE_INSTALL
Files: /repo/plugins/languages/c/scripts/lsp-entrypoint.sh, /repo/plugins/languages/cpp/scripts/lsp-entrypoint.sh, /repo/plugins/tools/terraform/scripts/lsp-entrypoint.sh · reported by cisco-skill-scanner
19 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/packages/han/lib/auth/magic-link.ts, /repo/packages/han/lib/auth/oauth/github.ts, /repo/packages/han/lib/auth/oauth/gitlab.ts and 5 more · reported by nerlo-behavioral
18 AAK-MCP-ATTEST-001
Files: .mcp.json, .gemini/settings.json, plugins/core/.mcp.json and 12 more · reported by agent-audit-kit
15 FILE_MAGIC_MISMATCH
Files: /repo/packages/han/lib/commands/create/templates/jutsu.ts, /repo/packages/han/lib/commands/completion/bash.ts, /repo/packages/han/lib/data/hosted/schema/file-validations.ts and 3 more · reported by cisco-skill-scanner
14 AAK-SKILL-003
Files: plugins/languages/go/skills/go-error-handling/SKILL.md, plugins/patterns/git-storytelling/skills/git-branch-strategy/SKILL.md, plugins/tools/apollo-graphql/skills/apollo-server-patterns/SKILL.md and 11 more · reported by agent-audit-kit
13 LOW_ANALYZABILITY
Files: /repo/plugins/bridges/omp, /repo, /repo/plugins/bridges/kiro and 10 more · reported by cisco-skill-scanner
10 opt.nerlo-rules.nerlo-hardcoded-external-egress
Files: /repo/packages/han/bin/han.js, /repo/packages/han/lib/auth/magic-link.ts, /repo/packages/han/lib/auth/oauth/github.ts and 2 more · reported by nerlo-behavioral
10 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/plugins/core/skills/baseline-restorer/SKILL.md, /repo/plugins/languages/csharp/skills/csharp-async-patterns/SKILL.md, /repo/plugins/patterns/monorepo/skills/monorepo-workflows/SKILL.md and 4 more · reported by nerlo-install-instruction
9 AAK-MCP-001
Files: plugins/core/.mcp.json, plugins/services/canva/.mcp.json, plugins/services/notion/.mcp.json and 6 more · reported by agent-audit-kit
9 YARA_sql_injection_generic
Files: /repo/plugins/languages/c/skills/c-systems-programming/SKILL.md, /repo/plugins/disciplines/site-reliability-engineering/skills/sre-reliability/SKILL.md, /repo/deploy/scripts/restore.sh and 1 more · reported by cisco-skill-scanner
7 AAK-MCP-005
Files: .mcp.json, .gemini/settings.json, plugins/core/.mcp.json and 2 more · reported by agent-audit-kit
7 AAK-MCP-007
Files: .mcp.json, .gemini/settings.json, plugins/core/.mcp.json and 1 more · reported by agent-audit-kit
7 COMPOUND_FIND_EXEC
Files: /repo/plugins/tools/act/skills/act-docker-setup/SKILL.md, /repo/plugins/languages/erlang/scripts/lsp-entrypoint.sh · reported by cisco-skill-scanner
5 EXCESSIVE_FILE_COUNT
Files: /repo/packages/han/lib/., /repo/., /repo/packages/han/. and 2 more · reported by cisco-skill-scanner
5 MANIFEST_DESCRIPTION_TOO_LONG
Files: /repo/plugins/disciplines/infrastructure-engineering/agents/SKILL.md, /repo/plugins/disciplines/product-management/agents/SKILL.md, /repo/plugins/disciplines/system-architecture/agents/SKILL.md and 2 more · reported by cisco-skill-scanner
4 AAK-HEALTHCARE-AI-004
Files: CONTRIBUTING.md, blueprints/browse-architecture.md, plugins/disciplines/documentation-engineering/agents/documentation-engineer.md and 1 more · reported by agent-audit-kit
4 opt.nerlo-rules.nerlo-install-fetch-raw-then-run
Files: /repo/plugins/tools/act/README.md, /repo/plugins/tools/act/skills/act-local-testing/SKILL.md, /repo/plugins/tools/helm/README.md and 1 more · reported by nerlo-install-instruction
3 AAK-LEGAL-002
Files: package.json, cert-server/package.json, packages/browse-client/package.json · reported by agent-audit-kit
3 AAK-TAINT-001
Files: packages/han/lib/commands/browse/index.ts · reported by agent-audit-kit
3 COMMAND_INJECTION_EVAL
Files: /repo/packages/han/lib/main.ts · reported by cisco-skill-scanner
3 FIND_EXEC_PATTERN
Files: /repo/plugins/languages/erlang/scripts/lsp-entrypoint.sh · reported by cisco-skill-scanner
3 YARA_credential_harvesting_generic
Files: /repo/cert-server/README.md, /repo/cert-server/SKILL.md · reported by cisco-skill-scanner
2 AAK-OAUTH-006
Files: packages/han/lib/services/auth-service.ts, packages/han/lib/auth/oauth/gitlab.ts · reported by agent-audit-kit
2 AAK-OAUTH-007
Files: packages/han/lib/auth/oauth/github.ts, packages/han/lib/auth/oauth/gitlab.ts · reported by agent-audit-kit
2 AAK-SKILL-001
Files: plugins/tools/mise/skills/tool-management/SKILL.md, plugins/validation/markdown/skills/markdownlint-integration/SKILL.md · reported by agent-audit-kit
2 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/blueprints/build-deployment.md, /repo/plugins/validation/markdown/skills/markdownlint-integration/SKILL.md · reported by nerlo-install-instruction
2 SECRET_CONNECTION_STRING
Files: /repo/plugins/specialized/fnox/skills/configuration/SKILL.md, /repo/plugins/tools/mise/skills/environment-management/SKILL.md · reported by cisco-skill-scanner
1 AAK-AGENT-TRUST-004
Files: GEMINI.md · reported by agent-audit-kit
1 AAK-MCP-006
Files: plugins/services/agent-sop/.mcp.json · reported by agent-audit-kit
1 AAK-MCP-009
Files: plugins/services/figma/.mcp.json · reported by agent-audit-kit
1 AAK-MCP-AUTH-PATHTRAVERSAL-001
Files: packages/han-rs/crates/han-coordinator/src/watcher_bridge.rs · reported by agent-audit-kit
1 AAK-OAUTH-008
Files: plugins/services/github/.mcp.json · reported by agent-audit-kit
1 AAK-SECRET-004
Files: plugins/bridges/opencode/src/index.ts · reported by agent-audit-kit
1 AAK-SPLUNK-TOKLOG-001
Files: packages/han/lib/commands/sync/index.ts · reported by agent-audit-kit
1 AAK-SUPPLY-001
Files: .mcp.json · reported by agent-audit-kit
1 AAK-TASKS-003
Files: packages/browse-client/src/pages/sessions/[id]/tasks/[agentId].tsx · reported by agent-audit-kit
1 AAK-TRUST-007
Files: .claude/settings.json · reported by agent-audit-kit
1 hooks-no-pretooluse
Files: settings.json · reported by agentshield
1 hooks-no-stop-hooks
Files: settings.json · reported by agentshield
1 LAZY_LOAD_DEEP_NESTING
Files: /repo/blueprints/SKILL.md · reported by cisco-skill-scanner
1 permissions-no-block
Files: settings.json · reported by agentshield
Showing 25 of 727; the rest are in the per-scanner reports above.