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Agent Skills · Verified packages

Install methods, not just prompts.

Each Skill is derived from published Case evidence and packaged as a standard SKILL.md bundle. 96/96 packages have been installed end-to-end via `npx skills add` — last verified 2026-10-17.

Installable packages
96
.skill packages
Official Skills
34
2+ creators
Creator methods
62
Unofficial synthesis
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DSH Plugin Charts

A verified, installable directory and popularity chart of DeepSeek Harness plugins. A goodcase.ai experiment.

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AllAI VideoAI Coding (UI)AI ImageAI HardwareCarl originalCarl's Picks

§ 03 · TOOLBOX

Carl’s toolbox

Carl’s original Skills and third-party picks used in daily work.

Carl's Picks

Third-party Skills someone else built that I actually run every day myself, picked out for you. Install commands are copied verbatim from each repo's own README; authorship and copyright stay with the original author.

gstack cover 1
Carl's Picksby garrytan

gstack

Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA.

Why I use itI've made /browse my default for reading any web page, and I lean on its review, ship, and qa flows every day.

GitHub↗

All 96 Skills have been packaged and installed end-to-end via `npx skills add` (last verified 2026-10-17).

Matt Pocock Skills cover 1
Carl's Picksby mattpocock

Matt Pocock Skills

Skills for Real Engineers — straight from Matt Pocock's own .agents directory.

Why I use itWhen a plan isn't fully thought through I let it grill me, and for hard bugs I run its diagnosis workflow.

GitHub↗
Superpowers cover 1
Carl's Picksby obra

Superpowers

An agentic skills framework & software development methodology that works.

Why I use itThis is what first taught me to make an agent think a plan through before touching anything — a lot of my habits grew out of it.

GitHub↗
Lieflat Charts cover 1
Carl's Picksby larashero3-dotcom

Lieflat Charts

A data visualization Skill for AI Agents, turning data into polished, interactive HTML charts.

Why I use itWhenever I have data to chart I hand it over — one grayscale template, and the single-file HTML it produces is ready to share as is.

GitHub↗
Khazix Skills cover 1
Carl's Picksby KKKKhazix

Khazix Skills

Khazix's open-source Agent Skills collection — leader, storage-analyzer, neat-freak, hv-analysis, khazix-writer and more, for Claude Code, Codex, and 40+ agents.

Why I use itWhen my disk fills up I just run its storage-analyzer — green/amber/red, I can see at a glance what's safe to clear, and it still asks me again before anything goes to the trash.

GitHub↗
Agent Reach cover 1
Carl's Picksby Panniantong

Agent Reach

Give your AI agent eyes to see the entire internet — read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu, one CLI, zero API fees.

Why I use itOne line pulls Twitter, XiaoHongShu, Bilibili, or Douyin — it's my first stop for finding topics and raw material.

GitHub↗
last30days cover 1
last30days cover 2
Carl's Picksby mvanhorn

last30days

An AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web, then synthesizes a grounded summary.

Why I use itWhen I want to know what people have actually been saying about a topic in the last month, this is what I run first.

GitHub↗
Monocolor Editorial Print cover 1
Monocolor Editorial Print cover 2
Monocolor Editorial Print cover 3
Carl's Picksby yanliudesign

Monocolor Editorial Print

One-ink editorial print image skill — warm paper, halftone photography, active negative space, and restrained typography.

Why I use itWhen a poster or cover has to hold up in one ink, its halftone and negative space give me exactly the restraint I want.

GitHub↗