This is the agent-skill-library project — a collection of production-grade engineering skills for AI coding agents.
skills/ → Core skills (SKILL.md per directory)
agents/ → Reusable agent personas (code-reviewer, test-engineer, security-auditor)
hooks/ → Session lifecycle hooks
.claude/commands/ → Slash commands (/discover, /spec, /plan, /jira-sync, /build, /test, /review, /code-simplify, /ship, /quick, /jira-spec, /jira-plan, /jira-ship, /pm-spec, /pm-epic, /pm-breakdown, /pm-sync)
references/ → Supplementary checklists (testing, performance, security, accessibility, project tooling discovery)
docs/ → Setup guides for different tools
Discover: brownfield-discovery
Define: spec-driven-development, jira-spec-driven-development
Plan: planning-and-task-breakdown, jira-planning-and-task-breakdown
Sync Jira (after plan): jira-board-sync
SysPM (PM workflow): syspm, pm-spec-and-prd, pm-epic-decomposition, pm-jira-sync, pm-status-and-reporting
Build: incremental-implementation, context-engineering, frontend-ui-engineering, api-and-interface-design, mobile-app-engineering
Verify: browser-testing-with-devtools, debugging-and-error-recovery
Review: code-review-and-quality, code-simplification, security-and-hardening, performance-optimization
Ship: documentation-and-adrs, shipping-and-launch, jira-shipping-and-launch
Ad-hoc: quick-task-execution
- Every skill lives in
skills/<name>/SKILL.md - YAML frontmatter with
nameanddescriptionfields - Description starts with what the skill does (third person), followed by trigger conditions ("Use when...")
- Every skill has: Overview, When to Use, Process, Common Rationalizations, Red Flags, Verification
- References are in
references/, not inside skill directories - Supporting files only created when content exceeds 100 lines
All skills are invoked via slash commands with the sys: prefix (e.g., /discover → sys:brownfield-discovery).
npm test— Not applicable (this is a documentation project)- Validate: Check that all SKILL.md files have valid YAML frontmatter with name and description
- Plugin name:
sys(changed fromagent-skills) - Command prefix:
sys:for all skill invocations - Marketplace install:
/plugin install sys@systango-agent-skills
- Always: Follow the skill-anatomy.md format for new skills
- Never: Add skills that are vague advice instead of actionable processes
- Never: Duplicate content between skills — reference other skills instead