Skill

Matt Pocock Skills

mattpocock/skills
Coding & development★ 223.4k

A collection of 25 installable Agent Skills maintained by Matt Pocock for real software engineering, including discovery, specification, TDD, debugging, code review, domain modeling, tickets, and handoffs.

CodeDocumentClaude CodeCodex
Skill

Agent Skills

addyosmani/agent-skills
Coding & development★ 88.3k

A suite of 24 engineering skills and eight lifecycle commands for AI coding agents, covering specification, planning, implementation, testing, review, and shipping.

CodeDocumentClaude CodeCodex
Skill

Planning with Files

othmanadi/planning-with-files
Planning★ 26.2k

A skill that keeps plans, progress, and findings in persistent files so agents lose less context during long tasks and can recover after interruptions.

DocumentCodeClaude CodeCodex
Skill

PM-Skills

product-on-purpose/pm-skills
Planning★ 590

An open-source product management skill library from Product on Purpose, using 68 composable skills, 12 workflows, and six sub-agent definitions to structure outputs from research and problem framing through PRDs, measurement, and retrospectives, with installation paths for Claude Code and other agents.

DocumentDataClaude CodeOpenAI Codex