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Cursor Rules are .cursorrules / .cursor/rules files that steer Cursor's AI; 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.
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/hampterworks/klank, 484 findings
Cursor Rules are .cursorrules / .cursor/rules files that steer Cursor's AI. Review the scanned source before copying them into your own project.
nerlo install -- @klank/source
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
2 findings · 0.9s
v2.0.11
425 findings · 13.5s
v0.3.74
27 findings · 9.7s
v0.1.0
1 finding · 5.9s
v0.1.0
0 findings · 5.9s
v0.1.0
2 findings · 10.3s
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.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 22, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | 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 457 findings across every scanner that examined this package.
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.
16 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-GHA-IMMUTABLE-001 · Files: .github/workflows/build-android.yml, .github/workflows/ci.yml, .github/workflows/release.yml and 2 more · reported by agent-audit-kit
9 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 · Files: /repo/docs/SKILL.md, /repo/.github/instructions/SKILL.md, /repo/docs/agents/SKILL.md and 2 more · reported by cisco-skill-scanner
1 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: AGENTS.md · reported by agent-audit-kit
1 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: FILE_MAGIC_MISMATCH · Files: /repo/libs/audio/src/lib/audio.spec.ts · reported by cisco-skill-scanner
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.
93 UNANALYZABLE_BINARY
Files: /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/AbstractPropertiesCommandLineConverter.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/CommandLineParser$1.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/wrapper/Download$DefaultDownloadProgressListener.class and 44 more · reported by cisco-skill-scanner
90 BINARY_FILE_DETECTED
Files: /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/CommandLineParser$OptionStringComparator.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/wrapper/Install$1.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/SystemPropertiesCommandLineConverter.class and 42 more · reported by cisco-skill-scanner
88 YARA_embedded_macho_binary
Files: /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/AbstractCommandLineConverter.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/AbstractPropertiesCommandLineConverter.class, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar!/org/gradle/cli/CommandLineArgumentException.class and 41 more · reported by cisco-skill-scanner
56 DATA_EXFIL_JS_NETWORK
Artifact contains hardcoded secrets and network egress capabilities.
The artifact includes hardcoded secrets in `fs.rs`, `tauri.conf.json`, and `song-key.ts`, which could lead to credential access. It also exhibits network egress capabilities in JavaScript code, potentially allowing data transmission. Furthermore, the presence of unanalyzable binaries and obfuscated code segments reduces transparency and increases risk.
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/libs/platform-api/src/lib/app.ts, /repo/libs/platform-api/src/lib/chord-diagrams.ts, /repo/libs/platform-api/src/lib/download.ts and 3 more · reported by cisco-skill-scanner
52 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/qa-capture/SKILL.md, /repo/.claude/skills/develop-review/SKILL.md, /repo/.claude/skills/add-role/SKILL.md and 49 more · reported by cisco-skill-scanner
21 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/.claude/rules/SKILL.md, /repo/.claude/skills/develop-review/references/SKILL.md and 18 more · reported by cisco-skill-scanner
6 AAK-LEGAL-002
Files: libs/platform-api/package.json, libs/ui/package.json, libs/store/package.json and 3 more · reported by agent-audit-kit
5 LOW_ANALYZABILITY
Files: /repo, /repo/libs/ui, /repo/apps/klank and 2 more · reported by cisco-skill-scanner
3 AAK-SECRET-004
Files: libs/platform-api/src/lib/song-key.ts, apps/klank/src-tauri/tauri.conf.json, apps/klank/src-tauri/crates/core/src/fs.rs · reported by agent-audit-kit
3 ARCHIVE_FILE_DETECTED
Files: /repo/.yarn/install-state.gz, /repo/apps/klank/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.jar · reported by cisco-skill-scanner
3 HIDDEN_DATA_FILE
Files: /repo/apps/klank/src-tauri/.cargo/config.toml, /repo/.yarn/install-state.gz · reported by cisco-skill-scanner
2 EXCESSIVE_FILE_COUNT
Files: /repo/apps/klank/., /repo/. · reported by cisco-skill-scanner
2 nerlo-malware-obfuscated_blob
Files: github_release:klank_2.0.8_x64-setup.exe.sig, github_release:latest.json · reported by nerlo-malware
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 agents-no-tools-.claude/agents/orchestrator.md
Files: .claude/agents/orchestrator.md · reported by agentshield
1 agents-no-tools-agents/orchestrator.md
Files: agents/orchestrator.md · reported by agentshield
1 FILE_MAGIC_MISMATCH
Files: /repo/vitest.workspace.ts · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-hardcoded-external-egress
Files: /repo/libs/platform-api/src/lib/update.ts · reported by nerlo-behavioral
1 YARA_prompt_injection_unicode_steganography
Files: /repo/.yarn/install-state.gz · reported by cisco-skill-scanner