claude-skills

Claude Skills

A collection of custom skills for Claude Code and Antigravity — built and maintained by @SurajKhanna.

These are plug-and-play skills you can add to your own AI agent setup.

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Available Skills

Skill	Description
prd-copilot	A collaborative PRD co-pilot for Product Managers. Works section by section to produce high-quality, consistent, and complete PRDs faster.
investment-agent	A personal investment research agent. Runs a mandatory macro → opportunity scan → valuation → holdings sequence before any recommendation. Enforces portfolio discipline with dynamic concentration limits, exit rules, and tracks a watchlist and trade log across sessions.

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How to Install

Option A — npx (Recommended, works everywhere)

npx skills add surajhk/claude-skills -g

Install a specific skill only:

npx skills add surajhk/claude-skills --skill investment-agent -g
npx skills add surajhk/claude-skills --skill prd-copilot -g

Works with Claude Code, Antigravity, and 40+ other agents. The CLI auto-detects which agents you have installed. See skills.sh for the full list.

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Option B — UI (Antigravity / VSCode Extension)

1. Type /plugin in the chat to open the Plugin Manager
2. Click Add Marketplace
3. Paste this URL:

   https://github.com/surajhk/claude-skills
   

4. Find the skill you want and click Install

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Option C — CLI (Claude Code Terminal)

Step 1 — Add the marketplace (once):

/plugin marketplace add surajhk/claude-skills

Step 2 — Install the skill you want:

/plugin install investment-agent@surajhk-skills
/plugin install prd-copilot@surajhk-skills

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Using one of these skills?

If a skill is saving you time, two quick things would mean a lot:

• Star this repo — it helps me know people are actually finding this useful
• Drop a note in Discussions — which skill you're using, what you're using it for, any feedback

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About

New skills will be added here over time. Each skill is designed to be self-contained and ready to use out of the box.