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MCP-first browser primitives for AI agents — real eyes and hands on the web. Local-first. Vendor-agnostic. Yours to own.
The publisher performed an authenticated act of publication — proving control of a namespace in the official MCP registry, or appearing in a first-party catalogue an operator curates. That establishes WHO published it. It is not a security finding, and attested artifacts carry Flagged verdicts too.
37 critical findings reported by cisco-skill-scanner, agent-audit-kit, 8 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 3 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/xcodethink/pixelcheck, 617 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- pixelcheck
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
0 findings · 3.9s
v2.0.11
408 findings · 174.9s
v0.3.26
45 findings · 83.4s
v0.1.0
3 findings · 91.5s
v0.1.0
2 findings · 91.5s
v0.1.0
0 findings · 36.9s
No report in this scan: capslock, 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 2, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-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 458 findings across every scanner that examined this package. 23 of 37 findings rated critical by their scanner were among the dismissals.
Not reviewed is not the same as clean. Those 5 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.
279 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: AAK-SECRET-001, YARA_script_injection_generic, COMMAND_INJECTION_EVAL and 11 more · Files: tests/list-capabilities.test.ts, tests/doctor.test.ts, tests/integration/mcp-stdio-e2e.test.ts and 65 more · reported by agent-audit-kit, cisco-skill-scanner
23 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: AAK-IPI-WILD-CORPUS-001, AAK-HEALTHCARE-AI-004, opt.nerlo-rules.nerlo-install-run-bundled-artifact and 3 more · Files: docs/decisions/ADR-013-extract-primitive.md, docs/decisions/ADR-012-act-primitive.md, docs/ci-integration.md and 13 more · reported by agent-audit-kit, nerlo-install-instruction, cisco-skill-scanner
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: FILE_MAGIC_MISMATCH, AAK-GHA-IMMUTABLE-001, MANIFEST_INVALID_NAME · Files: /repo/.github/workflows/publish-mcp.yml, .github/workflows/sbom.yml, /repo/.github/SKILL.md · reported by cisco-skill-scanner, 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.
91 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/scripts/check-perf.ts, /repo/scripts/check-report-a11y.ts, /repo/scripts/check-vendor-integrity.ts and 44 more · reported by cisco-skill-scanner
9 DATA_EXFIL_JS_NETWORK
Files: /repo/src/core/email.ts, /repo/src/core/llm-provider.ts, /repo/src/core/notify.ts and 4 more · reported by cisco-skill-scanner
6 COMMAND_INJECTION_EVAL
Files: /repo/extensions/scenario-recorder/popup.js · reported by cisco-skill-scanner
5 AAK-TASKS-003
Files: src/cli.ts, src/core/result-schema.ts, src/benchmark/runner.ts and 2 more · reported by agent-audit-kit
3 AAK-SECRET-004
Files: src/core/artifacts-prune.ts, src/core/email.ts · reported by agent-audit-kit
3 LOW_ANALYZABILITY
5 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: YARA_credential_harvesting_generic · Files: /repo/tests/doctor.test.ts · reported by cisco-skill-scanner
Artifact has critical command injection and credential access risks
The artifact contains critical command injection vulnerabilities in `extensions/scenario-recorder/popup.js` and `COMPOUND_FIND_EXEC` in `PRIVACY.md`. It also exhibits critical credential access patterns in `src/cli.ts` and `YARA_credential_harvesting_generic` in `tests/doctor.test.ts`. High severity findings include potential secret exposure in `src/core/artifacts-prune.ts` and `src/core/email.ts`, and network egress of secrets from `src/core/email.ts` and `src/core/notify.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.
3 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/extensions/scenario-recorder/SKILL.md, /repo/src/vendor/stealth-core/SKILL.md · reported by cisco-skill-scanner
3 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/src/core/email.ts, /repo/src/core/notify.ts · reported by nerlo-behavioral
3 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/extensions/scenario-recorder/SKILL.md, /repo/src/vendor/stealth-core/SKILL.md · reported by cisco-skill-scanner
2 AAK-HEALTHCARE-AI-004
Files: CHANGELOG.md, PRIVACY.md · reported by agent-audit-kit
2 AAK-IPI-WILD-CORPUS-001
Files: FAQ.md, PRIVACY.md · reported by agent-audit-kit
2 PROMPT_INJECTION_IGNORE_INSTRUCTIONS
Files: /repo/CHANGELOG.md, /repo/SKILL.md · reported by cisco-skill-scanner
1 AAK-ANTHROPIC-SDK-001
Files: src/mcp/server.ts · reported by agent-audit-kit
1 AAK-MCP-014
Files: src/observer/server.ts · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: package.json · reported by agent-audit-kit
1 AAK-SECRET-001
Files: src/cli.ts · reported by agent-audit-kit
1 AAK-STATE-PRIVACY-001
Files: PRIVACY.md · reported by agent-audit-kit
1 AAK-STATE-PRIVACY-002
Files: PRIVACY.md · reported by agent-audit-kit
1 AAK-STATE-PRIVACY-003
Files: PRIVACY.md · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 COMPOUND_FIND_EXEC
Files: /repo/PRIVACY.md · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 FILE_MAGIC_MISMATCH
Files: /repo/playwright.config.ts · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/CHANGELOG.md · reported by nerlo-install-instruction
1 SECRET_PASSWORD_VAR
Files: /repo/src/core/secrets.ts · reported by cisco-skill-scanner
1 YARA_autonomy_abuse_generic
Files: /repo/src/agent/agent-loop.ts · reported by cisco-skill-scanner
1 YARA_coercive_injection_generic
Files: /repo/SKILL.md · reported by cisco-skill-scanner
Showing 25 of 26; the rest are in the per-scanner reports above.