# Agent Skills Index > Searchable index of 1011 agent skills and plugins for Claude Code, OpenAI Codex, GitHub Copilot and other Agent Skills hosts, built from 5 public GitHub catalogs (synced 2026-10-19). Each entry has the author's own description, license, source link and the documented install command. Listing is not an endorsement; third-party plugins and skills are not verified by their catalogs. Machine-readable data: https://skills.branolabs.com/api/skills.json ## Catalogs - [Claude Code official plugins](https://skills.branolabs.com/claude-code): 315 entries from https://github.com/anthropics/claude-plugins-official (Anthropic). Works with Claude Code. - [Anthropic Agent Skills](https://skills.branolabs.com/anthropic-skills): 19 entries from https://github.com/anthropics/skills (Anthropic). Works with Claude Code, Claude.ai, Claude API. - [Codex official plugins](https://skills.branolabs.com/codex): 65 entries from https://github.com/openai/plugins (OpenAI). Works with OpenAI Codex / ChatGPT. - [Scientific Agent Skills (K-Dense)](https://skills.branolabs.com/scientific-skills): 177 entries from https://github.com/K-Dense-AI/scientific-agent-skills (K-Dense Inc.). Works with Any Agent Skills host (Claude Code, Codex, Cursor, Gemini CLI, Copilot…). - [Awesome Copilot skills (GitHub)](https://skills.branolabs.com/copilot-skills): 435 entries from https://github.com/github/awesome-copilot (GitHub + community contributors). Works with GitHub Copilot, plus Claude Code, Codex, Cursor via gh skill. ## How to install - Claude Code plugin: `/plugin install NAME@claude-plugins-official` in a session, or `claude plugin install NAME@claude-plugins-official` in a shell. - Anthropic skills: `/plugin marketplace add anthropics/skills`, then `/plugin install document-skills@anthropic-agent-skills` or `example-skills@anthropic-agent-skills`. - Codex plugin: type `/plugins` in Codex CLI and pick the Codex official marketplace (or the Plugins tab in the ChatGPT desktop app). - Skill folder (any host): `gh skill install OWNER/REPO SKILL [--agent claude-code|codex|cursor|gemini]` (GitHub CLI 2.90+). ## Categories - [Software development](https://skills.branolabs.com/category/dev): 356 - [Deployment, cloud & DevOps](https://skills.branolabs.com/category/devops): 100 - [Data & databases](https://skills.branolabs.com/category/data): 68 - [Security](https://skills.branolabs.com/category/security): 37 - [Design & media](https://skills.branolabs.com/category/design): 59 - [Documents & office files](https://skills.branolabs.com/category/docs): 13 - [Productivity & business](https://skills.branolabs.com/category/productivity): 114 - [Science, research & learning](https://skills.branolabs.com/category/science): 192 - [Other](https://skills.branolabs.com/category/other): 72 ## Recently added (last 30 days) - [data-agent-kit](https://skills.branolabs.com/claude-code/data-agent-kit) (Claude Code, 2026-10-10): This plugin provides a specialized suite of skills for data engineers and database practitioners working on Google Cloud. It acts as an expert assistant, allowi - [math-proof](https://skills.branolabs.com/claude-code/math-proof) (Claude Code, 2026-09-30): Two skills for hard mathematics problems, each ending in a self-contained proof.md: /math-proof:solo has the session work the problem itself in stages with a no - [govtribe](https://skills.branolabs.com/claude-code/govtribe) (Claude Code, 2026-09-24): Government contracting research and capture workflows in Claude: opportunity and pipeline briefs, bid/no-bid and competitor analysis, price-to-win and proposal - [vanguard-advisor-tools](https://skills.branolabs.com/claude-code/vanguard-advisor-tools) (Claude Code, 2026-09-24): Vanguard Advisor Tools for financial professionals: research and compare funds and ETFs across the industry and prepare for client conversations, using Vanguard - [linq-alpha](https://skills.branolabs.com/claude-code/linq-alpha) (Claude Code, 2026-09-24): LinqAlpha financial research in Claude: guided setup for the LinqAlpha connector, capability-based source selection for fundamentals, estimates, transcripts, fi - [Amazon Selling Partner](https://skills.branolabs.com/claude-code/amazon-selling-partner) (Claude Code, 2026-09-23): Connect your Amazon Seller Central account to Claude. Ask about sales, inventory, and listing performance and get recommendations grounded in your own data, the ## Optional - [Methodology](https://skills.branolabs.com/about) - [New entries](https://skills.branolabs.com/new) - [@BranoLabs on X](https://x.com/BranoLabs): updates and feedback - [BranoLabs](https://branolabs.com): other projects