
Prompt Master
A Claude skill that writes accurate prompts for any AI tool with full context and memory retention.

Open-source tool. Self-hosted setup.
One of the more technically deep diagramming skills in the catalog: 36 distinct tools covering codebase-to-diagram and infra-to-diagram generation, image-to-editable-diagram conversion, and PR diff bots, all with a vision self-check step before export.
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.

A Claude skill that writes accurate prompts for any AI tool with full context and memory retention.

Tutorials, guides, and agent skills directories.

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

The #1 Agent Skills library for science, used by 170,000+ scientists worldwide — 161 ready-to-use validated skills plus 100+ scientific databases.

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

A library of Agent Skills designed to work with the Stitch MCP server, following the open Agent Skills standard.

An agentic skills framework and software development methodology that works.

A skill to stop your coding agent from burying the answer — ADHD-friendly output.