ctx — Universal Package Manager for LLM Context

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Discover, install, and manage skills, MCP servers, and CLI tools for AI agents — all from one registry.

ctx gives your AI agent the right context at the right time. Think of it as npm for LLM tooling: a single command to search, install, and serve packages that extend what your agent can do.

Get Started

For AI agents — paste this into your agent (Claude, Cursor, etc.):

Read https://getctx.org/skill.md and follow the instructions to use ctx

For humans — install the CLI:

# macOS / Linux
curl -fsSL https://getctx.org/install.sh | sh

# Windows
irm https://getctx.org/install.ps1 | iex

Then use it:

ctx search "code review"    # Find packages
ctx install @scope/name     # Install a package
ctx serve                   # Start MCP server

What Can You Install?

Type	Description	Example
skill	Reusable prompts and workflows for AI agents	Code review, commit conventions
mcp	MCP servers that give agents tool access	Database queries, API connectors
cli	Command-line tools for developer workflows	Linters, formatters, scaffolders

Browse packages at getctx.org/search.

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Development

This repo contains the getctx.org website — a server-side rendered Hono app with the Lyra design system (sharp geometric, zero radius).

Quick Start

pnpm install
pnpm dev

Scripts

Command	Description
pnpm dev	Start Vite dev server
pnpm build	Production build
pnpm preview	Preview with Wrangler Pages
pnpm deploy	Build and deploy to Cloudflare Pages
pnpm test	Run tests with Vitest
pnpm typecheck	TypeScript type checking

Architecture

src/
├── index.tsx          # Hono app with all routes
├── layout.tsx         # HTML shell with SEO meta
├── components/        # Server-rendered Hono JSX components
├── pages/             # Page components
├── lib/               # API client, SEO helpers, types, constants
└── styles/
    └── globals.css    # Lyra design tokens + Tailwind 4

All data is fetched from the API layer via HTTP (API_BASE_URL env var).

Tech Stack

• Runtime — Cloudflare Pages (Workers)
• Framework — Hono (SSR with JSX)
• Styling — Tailwind CSS 4 + Lyra design tokens
• Build — Vite
• Testing — Vitest

Environment Variables

Variable	Description	Required
API_BASE_URL	Backend API origin	Yes
GITHUB_CLIENT_ID	GitHub OAuth app ID	No
GITHUB_CLIENT_SECRET	GitHub OAuth secret	No