# Matt Pocock Skills > Matt Pocock's Skills for Real Engineers (mattpocock/skills, MIT) — agent-skill packages for Claude Code, Codex, and other coding agents: the 22-skill promoted catalog (one page per skill), the invocation model, installation paths, and governance. > Covers: The mattpocock/skills repo at snapshot 2ab9580: all 22 promoted skills (17 engineering + 5 productivity) as one catalog entry each, with invocation class (user- vs model-invoked) read from each skill's disable-model-invocation flag; the concepts of skills & invocation; installation & distribution (managed Claude Code plugin vs skills.sh/npx skills); workflow recipes; and governance/limitations. > Not covered: Deprecated/in-progress/personal/misc skill buckets (only the plugin-manifest promoted set is treated as supported); the internals of Claude Code / Codex themselves; skills' upstream source code beyond each SKILL.md. - [LLM Wiki](/raw/matt-pocock-skills/README.md) - [Matt Pocock Skills Knowledge Base](/raw/matt-pocock-skills/wiki/index.md) - [Concepts and invocation](/raw/matt-pocock-skills/wiki/concepts/concepts-and-invocation.md) - [Governance and limitations](/raw/matt-pocock-skills/wiki/concepts/governance-and-limitations.md) - [Installation and distribution](/raw/matt-pocock-skills/wiki/concepts/installation-and-distribution.md) - [Overview](/raw/matt-pocock-skills/wiki/concepts/overview.md) - [Workflow recipes](/raw/matt-pocock-skills/wiki/concepts/workflow-recipes.md) - [ask-matt](/raw/matt-pocock-skills/wiki/entities/ask-matt.md) - [code-review](/raw/matt-pocock-skills/wiki/entities/code-review.md) - [codebase-design](/raw/matt-pocock-skills/wiki/entities/codebase-design.md) - [diagnosing-bugs](/raw/matt-pocock-skills/wiki/entities/diagnosing-bugs.md) - [domain-modeling](/raw/matt-pocock-skills/wiki/entities/domain-modeling.md) - [grill-me](/raw/matt-pocock-skills/wiki/entities/grill-me.md) - [grill-with-docs](/raw/matt-pocock-skills/wiki/entities/grill-with-docs.md) - [grilling](/raw/matt-pocock-skills/wiki/entities/grilling.md) - [handoff](/raw/matt-pocock-skills/wiki/entities/handoff.md) - [implement](/raw/matt-pocock-skills/wiki/entities/implement.md) - [improve-codebase-architecture](/raw/matt-pocock-skills/wiki/entities/improve-codebase-architecture.md) - [Promoted skill catalog](/raw/matt-pocock-skills/wiki/entities/promoted-catalog.md) - [prototype](/raw/matt-pocock-skills/wiki/entities/prototype.md) - [research](/raw/matt-pocock-skills/wiki/entities/research.md) - [resolving-merge-conflicts](/raw/matt-pocock-skills/wiki/entities/resolving-merge-conflicts.md) - [setup-matt-pocock-skills](/raw/matt-pocock-skills/wiki/entities/setup-matt-pocock-skills.md) - [tdd](/raw/matt-pocock-skills/wiki/entities/tdd.md) - [teach](/raw/matt-pocock-skills/wiki/entities/teach.md) - [to-spec](/raw/matt-pocock-skills/wiki/entities/to-spec.md) - [to-tickets](/raw/matt-pocock-skills/wiki/entities/to-tickets.md) - [triage](/raw/matt-pocock-skills/wiki/entities/triage.md) - [wayfinder](/raw/matt-pocock-skills/wiki/entities/wayfinder.md) - [writing-great-skills](/raw/matt-pocock-skills/wiki/entities/writing-great-skills.md) - [Change Log](/raw/matt-pocock-skills/wiki/log.md)