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Spec-driven development pipeline for coding agents: constitution → specify → clarify → plan → tasks → analyze → implement
Gemini Extensions are packaged skills loaded into Gemini; 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.
24 critical findings reported by cisco-skill-scanner, 10 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
Gemini Extensions install to a single target, no runtime picker.
nerlo install -- maxi-superpowers
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
3 findings · 2.0s
v2.0.11
481 findings · 36.7s
v0.3.74
9 findings · 6.5s
v0.1.0
1 finding · 10.7s
v0.1.0
292 findings · 10.7s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.2s
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 2.1s
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 ·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 786 findings across every scanner that examined this package. 14 of 24 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.
357 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 · Files: /repo/docs/SKILL.md, /repo/tests/fixtures/SKILL.md, /repo/tests/fixtures/x-develop-adapter/SKILL.md and 85 more · reported by cisco-skill-scanner, nerlo-install-instruction
171 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, COMMAND_INJECTION_JS_FUNCTION_CONSTRUCTOR, DATA_EXFIL_JS_FS_ACCESS and 5 more · Files: /repo/vendor/superpowers/tests/brainstorm-server/auth.test.js, /repo/vendor/superpowers/tests/brainstorm-server/branding.test.js, /repo/vendor/superpowers/tests/brainstorm-server/lifecycle.test.js and 25 more · reported by cisco-skill-scanner, agent-audit-kit
4 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, MANIFEST_INVALID_NAME · Files: .github/workflows/release.yml, /repo/vendor/superpowers/.github/ISSUE_TEMPLATE/SKILL.md, /repo/vendor/superpowers/.github/SKILL.md · reported by agent-audit-kit, 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, FILE_MAGIC_MISMATCH · Files: AGENTS.md, /repo/CLAUDE.md · reported by agent-audit-kit, 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.
85 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/vendor/superpowers/skills/brainstorming/scripts/server.cjs, /repo/vendor/superpowers/skills/writing-skills/render-graphs.js, /repo/skills/brainstorming/scripts/server.cjs and 3 more · reported by cisco-skill-scanner
56 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/doc-consistency/SKILL.md, /repo/vendor/superpowers/skills/brainstorming/SKILL.md, /repo/vendor/superpowers/skills/using-superpowers/SKILL.md and 53 more · reported by cisco-skill-scanner
35 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/.agents/skills/doc-consistency/SKILL.md, /repo/.agents/skills/release/SKILL.md, /repo/.claude/skills/doc-consistency/SKILL.md and 10 more · reported by nerlo-install-instruction
27 HIDDEN_DATA_FILE
Files: /repo/.devin-plugin/plugin.json, /repo/vendor/superpowers/.devin-plugin/plugin.json, /repo/.cursor-plugin/plugin.json and 15 more · reported by cisco-skill-scanner
10 COMMAND_INJECTION_JS_CHILD_PROCESS
Critical risks: shell execution, data access, hidden executables
The artifact contains critical command injection vulnerabilities in `server.cjs` and `render-graphs.js` that permit shell execution. High severity findings include extensive data exfiltration capabilities via file system access in `maxi.js` and `server.cjs`, along with hidden executable scripts in various locations. Additionally, a credential access risk is present in `start-server.sh`, and the artifact includes files that are difficult to analyze.
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.
9 HIDDEN_EXECUTABLE_SCRIPT
Files: /repo/.hermes-plugin/__init__.py, /repo/vendor/superpowers/.hermes-plugin/__init__.py, /repo/.opencode/plugins/maxi.js and 3 more · reported by cisco-skill-scanner
6 LOW_ANALYZABILITY
Files: /repo/vendor/superpowers/.opencode, /repo/.opencode, /repo/vendor/superpowers/skills/writing-skills and 3 more · reported by cisco-skill-scanner
6 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/.opencode/SKILL.md, /repo/vendor/superpowers/SKILL.md and 3 more · reported by cisco-skill-scanner
4 FIND_EXEC_PATTERN
Files: /repo/vendor/superpowers/scripts/package-codex-plugin.sh · reported by cisco-skill-scanner
2 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json, .agents/plugins/marketplace.json · reported by agent-audit-kit
2 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/vendor/superpowers/. · reported by cisco-skill-scanner
2 hooks-no-stop-hooks
Files: hooks/hooks.json, hooks/hooks-cursor.json · reported by agentshield
2 MANIFEST_INVALID_NAME
Files: /repo/.opencode/SKILL.md, /repo/vendor/superpowers/.opencode/SKILL.md · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: skills/brainstorming/SKILL.md · reported by agent-audit-kit
1 AAK-SECRET-004
Files: skills/brainstorming/scripts/start-server.sh · reported by agent-audit-kit
1 AAK-SUPPLY-004
Files: package.json · reported by agent-audit-kit
1 FILE_MAGIC_MISMATCH
Files: /repo/GEMINI.md · reported by cisco-skill-scanner
1 hooks-no-pretooluse
Files: hooks/hooks-cursor.json · reported by agentshield
1 opt.nerlo-rules.nerlo-dynamic-exec
Files: /repo/skills/brainstorming/scripts/server.cjs · reported by nerlo-behavioral
Showing 25 of 114; the rest are in the per-scanner reports above.