404SAFE
Agent Skills for Marketing — SEO, Social, Influencer & More. 160+ open-source skills for SEO, content, 40+ page types, paid ads, channels, and strategies. Add project context; get tailored, production-ready output. Cursor, Claude Code, OpenClaw — no lock-in.
Overview
Agent Skills for Marketing — SEO, Social, Influencer & More. 160+ open-source skills for SEO, content, 40+ page types, paid ads, channels, and strategies. Add project context; get tailored, production-ready output. Cursor, Claude Code, OpenClaw — no lock-in.
8cde61c3c637OBSERVED · 2026-10-13Install
Commands as the repository documents them. They are shown, not run.
npx skills add kostja94/pagina --skill page-builder
What it tells the agent
The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.
--- name: 404-page-generator description: Deprecated compatibility entry for 404 Page construction. This page is now maintained in Pagina; install and use page-builder to build a new 404 Page. metadata: status: moved successor: kostja94/pagina/page-builder --- # 404 Page construction has moved 404 Page construction is now maintained in the [404 Page reference](https://github.com/kostja94/pagina/blob/main/skills/page-builder/references/pages/404.md) in [Pagina](https://github.com/kostja94/pagina), the page intelligence layer for AI agents. ```bash npx skills add kostja94/pagina --skill page-builder ``` Ask the agent to use page-builder to build a new 404 Page. This compatibility entry contains no page rules and is no longer maintained.
Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | NA |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- none-observed
- Shell
- none-observed
- Dependencies
- pinned
- Secrets in source
- none-found
Findings (0)
No findings outside the package's declared scope.
Gates applied: no_behavioural_pass.
8cde61c3c637full audit observations/trust-audit/skill/kostja94__404.json · Report an issue / request a re-scanAudit history
Every audit this skill has had.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-13 | 8cde61c3c637 | SAFE | B | 89 | first audit |
Questions
What does the 404 skill do?
Agent Skills for Marketing — SEO, Social, Influencer & More. 160+ open-source skills for SEO, content, 40+ page types, paid ads, channels, and strategies. Add project context; get tailored, production-ready output. Cursor, Claude Code, OpenClaw — no lock-in.
Is 404 safe to install?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.
What can 404 access on my machine?
The audit observed no filesystem, network or shell use at all in its source.
How current is this page?
The grade is for one exact copy of the source (8cde61c3c637), read on 2026-10-13. The repository is watched, and a new audit runs when it changes — this is the first audit.