
Refly
The first open-source agent skills builder, defining skills by workflow rather than static prompts.

Open-source tool. Self-hosted setup.
This pack targets the meta-problem of building agents rather than using them for a task — context window management, multi-agent architecture patterns, and debugging production agent systems that struggle with effective context handling.
Things to Know About Self-Hosted
Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.

The first open-source agent skills builder, defining skills by workflow rather than static prompts.

A text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits.

AI Skills collection open-sourced by the 'Digital Life' creator Khazix, including leader, neat-freak, hv-analysis, and khazix-writer.

Persistent file-based planning for AI coding agents and long-running tasks.

AI-agent skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL presentation runtime.

Agent skills for Obsidian — teach your agent to use Obsidian CLI and open formats including Markdown, Bases, JSON Canvas.

Generate draw.io diagrams from natural language across 11 presets including UML, SysML/MBSE, BPMN, network, and C4.

Claude-first paid-media operations skill for Claude Code across 12 ad platforms with source-grounded audits and deterministic scoring.