Skills Library (dylanfeltus)
dylanfeltus/skills
Nine Stratus Labs skills: Hacker News, Product Hunt, App Store, USPTO trademark lookup, virtual cards and design review.
- 180 ★ on the repository
- Last commit
- MIT
Broad access
Why this level
- The `privacy-cards` skill with a Privacy.com key creates virtual cards the agent pays with real money. Keep spend limits low and review purchases.
- The other skills read public APIs and web pages and never touch payments.
Install
- Works in
In your terminal, with SkillFoxx CLI
npx skillfoxx add skills/dylanfeltus-skillsDetects the agents on your machine, shows the access level and pins the version.
Other ways to install
Access and checks
How we reviewBroad accessThe tool can change data, run commands or handle secrets.
- The `privacy-cards` skill with a Privacy.com key creates virtual cards the agent pays with real money. Keep spend limits low and review purchases.
- The other skills read public APIs and web pages and never touch payments.
This is third-party code. Review the repository files before installing.
What it does
Skills Library is a collection of nine Stratus Labs skills, each in its own folder with a `SKILL.md`. The research skills search Hacker News through the Algolia API and Product Hunt launches through GraphQL, collect App Store ratings, reviews and app metadata, and check a name against the USPTO trademark database. The design skills cover Framer Motion patterns, design tokens (type scales, palettes, grids, WCAG contrast, dark mode), image prompt templates and a screenshot review against design intent with vision models. Two more skills stand apart: `privacy-cards` for Privacy.com virtual cards and a generate-evaluate-improve loop for copy.
Who it is for. Founders and frontend developers who want an agent for product launch research and for checking finished layouts.
Good fit when
- Before a launch, you want to know what Hacker News said about competitors and similar products.
- A future product name is checked against US trademarks.
- Competitor reviews from the App Store and Google Play are gathered into one analysis.
- A finished page is compared with a mockup: the agent reads a screenshot and lists spacing and color mismatches.
- A headline or button label runs through a generate-evaluate-improve loop until it passes the criteria.
Not a fit when
- A legal opinion on a name is required: the trademark skill gives reference data and itself advises seeing a trademark attorney.
- The agent must not touch payments: `privacy-cards` creates real virtual cards.
- Only one narrow skill is needed: installing the whole set adds nine descriptions to the context, so pick one with `--skill`.
Example request
Find Hacker News discussions of our competitor from the last three months and summarize what people praise and criticize.Limitations
The skills target English-language services: Hacker News, Product Hunt, USPTO, Privacy.com. Product Hunt needs a free developer token and `privacy-cards` needs a Privacy.com account and a `PRIVACY_API_KEY`; the rest ask for no keys. Direct requests to trademark databases are blocked for automated clients, so the skill searches through the web and the data is incomplete. Privacy.com operates in the US and caps cards by plan: 12 a month on the free one. The set is small and the author promises additions.
How to disable. Delete the relevant skill folders from the agent skills directory. Remove `PRIVACY_API_KEY` from the environment and revoke it in Privacy.com settings if needed.
FAQ
How do I install skills from Skills Library?
Run `npx skills add dylanfeltus/skills` for the whole set, or add `--skill visual-qa` to install one. The command detects the agent itself: Claude Code, OpenClaw, Codex or Cursor.
Do the skills need keys?
Only two do. `producthunt` asks for a free developer token and `privacy-cards` requires a Privacy.com key. Hacker News, App Store and USPTO search work without keys.
What does privacy-cards do?
It creates and limits Privacy.com virtual cards through the API: single-use, merchant-locked, with a spend cap. A `sandbox.privacy.com` sandbox lets you test without charges.
Can I install a skill manually?
Yes. Copy the skill folder into the agent skills directory and reference its `SKILL.md` in the system prompt or project instructions.
How does the visual-qa skill check a layout?
The agent first looks at a screenshot, then names mismatches with the design intent: spacing, alignment, colors, responsiveness and accessibility. Remarks must be specific, with pixel sizes.
Discussion
No questions or reviews yet.
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Comparison with similar tools
Cards that share the main search query, and how they differ.
| Tool | Official | Authentication | Repository stars | Main difference |
|---|---|---|---|---|
| Skills Library (dylanfeltus) (this card) | no | 180 | ||
| App Store Connect MCP | no | API key | 5 | manages your own app in App Store Connect; appstore-intel reads ratings and reviews of any app |
| Motion Design Skill | no | 2,980 | a single animation skill; here Framer Motion patterns ship in a set with research and layout review |
README in short
The README groups skills by task: research, agent commerce, design and content quality. Each entry states whether a key is needed. It covers agent auto-detection at install time and manual folder copying.
README badge
Original SKILL.md
--- name: hn-search description: Search and monitor Hacker News stories, comments, and users via the free Algolia API. Use when the user asks about HN discussions, wants to find posts about a topic, or monitor HN for mentions. No API key required. --- # Hacker News Search Search and monitor Hacker News stories, comments, and users via the Algolia HN Search API. No API key required. ## When to Use - User asks about Hacker News discussions on a topic - User wants to find HN posts about a company, product, or technology - User wants to monitor HN for mentions of something - User asks "what's trending on HN" or "what did HN think about X" - User wants to find Show HN / Ask HN / Launch HN posts ## API Overview **Base URL:** `https://hn.algolia.com/api/v1` Two search endpoints: - `/search` — Relevance-sorted (best for finding specific topics) - `/search_by_date` — Date-sorted (best for monitoring / recent activity) **Rate Limits:** 10,000 requests/hour (generous, no auth needed) ## How to Search ### Step 1: Build the URL ``` https://hn.algolia.com/api/v1/search?query=QUERY&tags=TAG&hitsPerPage=N&numericFilters=FILTERS ``` ### Step 2: Fetch with `web_fetch` Use `web_fetch` to call the API. Response is JSON. ### Parameters