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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.
72 critical findings reported by cisco-skill-scanner, 56 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 -- tx-ai
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- tx-ai ~/.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
Incomplete run
7 findings · 2.1s
v2.0.11
802 findings · 49.9s
v0.3.74
28 findings · 35.6s
v0.1.0
6 findings · 22.7s
v0.1.0
24 findings · 22.7s
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 · 2.0s
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 21, 2026 | Scan Halted | — | agentshield ·!: incompletecisco-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 867 findings across every scanner that examined this package. 16 of 72 findings rated critical by their scanner were among the dismissals.
Not reviewed is not the same as clean. Those 2 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.
200 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, YARA_command_injection_generic, DATA_EXFIL_JS_FS_ACCESS and 2 more · Files: /repo/src/core/__tests__/worktree.test.ts, /repo/src/worker/__tests__/hooks.test.ts, /repo/src/worker/__tests__/worktree-integration.test.ts and 49 more · reported by cisco-skill-scanner
28 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, opt.nerlo-rules.nerlo-install-run-bundled-artifact, MANIFEST_MISSING_LICENSE and 1 more · Files: /repo/docs/SKILL.md, /repo/test/e2e/SKILL.md, /repo/test/fixtures/meshes/fsm-ensemble-test/SKILL.md and 8 more · reported by cisco-skill-scanner, nerlo-install-instruction
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-003, AAK-AGENT-005 · 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.
231 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/src/cli-adapter/claude-adapter.ts, /repo/src/cli/credentials.ts, /repo/src/cli/deploy.ts and 61 more · reported by cisco-skill-scanner
114 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/know-tool/SKILL.md, /repo/.claude/skills/mesh-builder/SKILL.md, /repo/plugins/tx/skills/mesh-builder/SKILL.md and 111 more · reported by cisco-skill-scanner
109 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/frontend/SKILL.md, /repo/.claude/agents/SKILL.md and 106 more · reported by cisco-skill-scanner
55 DATA_EXFIL_JS_NETWORK
Files: /repo/frontend/src/api/dashboard.ts, /repo/frontend/src/api/logs.ts, /repo/frontend/src/api/meshes.ts and 10 more · reported by cisco-skill-scanner
54 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/src/cli-adapter/claude-adapter.ts, /repo/src/cli-adapter/generic-adapter.ts, /repo/src/core/tmux.ts and 12 more · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
1 HIDDEN_DATA_FILE
Files: /repo/.mcp.env.example · reported by cisco-skill-scanner
1 LOW_ANALYZABILITY
Files: /repo/test/e2e · reported by cisco-skill-scanner
2 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: skills-missing-telemetry-commands/distill.md, skills-missing-governance-commands/distill.md · Files: commands/distill.md · reported by agentshield
Artifact contains critical command injection and data exfiltration risks.
The artifact exhibits critical command injection vulnerabilities in multiple files, including `/repo/src/cli-adapter/claude-adapter.ts` and `/repo/src/core/tmux.ts`, which could lead to arbitrary shell execution. It also has high-severity findings for data exfiltration via file system access and network egress, potentially involving sensitive information. Additionally, there are indications of coercive injection and use of `eval` for code execution.
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.
11 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/HUMAN_REVIEW.md, /repo/meshes/narrative-engine/README.md, /repo/meshes/narrative-engine/architect/dramaturg.md and 4 more · reported by nerlo-install-instruction
9 AAK-HEALTHCARE-AI-004
Files: meshes/narrative-engine/simulator/planner.md, meshes/narrative-engine/calibrator/prompt.md, meshes/narrative-engine/narrator/prompt.md and 6 more · reported by agent-audit-kit
6 FILE_MAGIC_MISMATCH
Files: /repo/meshes/narrative-engine/templates/entity.template.yaml, /repo/meshes/narrative-engine/scripts/character-brief.sh, /repo/src/cli/dynaprompt.ts · reported by cisco-skill-scanner
6 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/src/cli/credentials.ts, /repo/src/cli/deploy.ts, /repo/src/cli/login.ts and 2 more · reported by nerlo-behavioral
5 AAK-TAINT-003
Files: src/cli/server.ts · reported by agent-audit-kit
3 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/meshes/narrative-engine/., /repo/frontend/. · reported by cisco-skill-scanner
3 HIDDEN_DATA_FILE
Files: /repo/.DS_Store, /repo/.tmux.conf, /repo/.ai/tx/data/config.yaml · reported by cisco-skill-scanner
3 LOW_ANALYZABILITY
Files: /repo/src/prompt, /repo, /repo/frontend · reported by cisco-skill-scanner
2 AAK-CLAUDECODE-CVE-2026-40068-PIN-001
Files: package.json, package-lock.json · reported by agent-audit-kit
2 AAK-LEGAL-002
Files: package.json, frontend/package.json · reported by agent-audit-kit
2 YARA_system_manipulation_generic
Files: /repo/src/worker/bash-guard.ts · reported by cisco-skill-scanner
1 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
1 AAK-MCP-ATTEST-001
Files: .mcp.json · reported by agent-audit-kit
1 AAK-SECRET-004
Files: src/mesh/fsm-scripts.ts · reported by agent-audit-kit
1 AAK-SPLUNK-TOKLOG-001
Files: src/server/auth.ts · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 AAK-TRUST-007
Files: .claude/settings.json · reported by agent-audit-kit
1 agents-oversized-prompt-agents/feature-effort-estimator.md
Files: agents/feature-effort-estimator.md · reported by agentshield
1 agents-prompt-extraction-5303
Files: agents/feature-effort-estimator.md · reported by agentshield
1 BINARY_FILE_DETECTED
Files: /repo/.DS_Store · reported by cisco-skill-scanner
1 COMMAND_INJECTION_EVAL
Files: /repo/src/mesh/capability/factory.ts · reported by cisco-skill-scanner
1 hooks-file-delete-987
Files: hooks/protect-graph-files.sh · reported by agentshield
1 hooks-no-stop-hooks
Files: settings.json · reported by agentshield
1 permissions-no-block
Files: settings.json · reported by agentshield
1 UNANALYZABLE_BINARY
Files: /repo/.DS_Store · reported by cisco-skill-scanner
1 YARA_capability_inflation_generic
Files: /repo/src/cli/login.ts · reported by cisco-skill-scanner
1 YARA_coercive_injection_generic
Files: /repo/src/cli/login.ts · reported by cisco-skill-scanner
Showing 25 of 311; the rest are in the per-scanner reports above.