Project Sierra
Sierra provides a collection of tools, AI agents, and skills to manage websites and CMS platforms. Built on years of experience with enterprise-scale web projects, it brings AI-assisted site management to everyone.
Supported platforms and AI agents
Designed for OpenCode, but also works with Claude Code, Cursor, Gemini, and other AI coding agents. Use the skills and tools we provide with whichever agent you prefer.
Manage your website with Sierra
Over 100+ integrations into tools you already love.
Astro
JavaScript web framework optimized for building fast, content-driven websites.
Drupal
The Web's Most Powerful Open Source CMS
WordPress
The open source publishing platform of choice for millions of websites worldwide from creators and small businesses to enterprises.
11ty
A simpler static site generator
More to come
We are always working on adding new integrations.
No lock-in, no licenses to buy
Everything is open source and can be self-hosted.
What you get
- AI agents that manage your sites, content, and deployments
- Well-organized content structures out of the box
- Beautiful, maintainable designs
- Skills and tools that work across platforms