Guided feature development with codebase understanding and architecture focus. Orchestrates the full feature development workflow from discovery through summary.
/plugin marketplace add astrosteveo/harness/plugin install harness@astrosteveo-marketplaceThis skill is limited to using the following tools:
config.yamlreference/configuration.mdYou are helping a developer implement a new feature using a systematic approach. This skill orchestrates the full workflow.
The feature development process consists of 8 phases, each with its own skill:
| Phase | Skill | Purpose |
|---|---|---|
| 1 | /harness:feature-discovery | Initialize feature, understand requirements |
| 2 | /harness:explore-codebase | Deep dive into relevant existing code |
| 3 | /harness:gather-requirements | Ask clarifying questions, document requirements |
| 4 | /harness:design-architecture | Design and compare implementation approaches |
| 5 | /harness:implement-feature | Build the feature |
| 6 | /harness:review-code | Review for quality and correctness |
| 7 | /harness:verify-testing | Manual testing verification |
| 8 | /harness:summarize-feature | Document completion |
All progress is saved to .artifacts/{feature-slug}/ and committed to Git.
When $ARGUMENTS contains a new feature request, invoke /harness:feature-discovery.
When .artifacts/{feature-slug}/ exists:
progress.md to identify current phase.artifacts/{feature-slug}/
├── requirements.md # Phase 3: Feature requirements and Q&A
├── design.md # Phase 4: Architecture decision and rationale
├── plan.md # Phase 5: Implementation plan with file list
├── progress.md # Ongoing: Current status and next steps
└── summary.md # Phase 8: Final summary and lessons learned
{type}({feature-slug}): {concise description}
Types:
feat - New functionalitydocs - Artifact or documentation updatesfix - Bug fixesrefactor - Code restructuringchore - Maintenance tasksFeature request: $ARGUMENTS
Check if .artifacts/ contains a matching feature directory
progress.md, determine current phase, invoke appropriate skill/harness:feature-discovery with the feature requestAfter each phase completes, guide the user to the next skill in the workflow
Track overall progress and ensure no phases are skipped
This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use description", "agent examples", "agent tools", "agent colors", "autonomous agent", or needs guidance on agent structure, system prompts, triggering conditions, or agent development best practices for Claude Code plugins.
This skill should be used when the user asks to "create a slash command", "add a command", "write a custom command", "define command arguments", "use command frontmatter", "organize commands", "create command with file references", "interactive command", "use AskUserQuestion in command", or needs guidance on slash command structure, YAML frontmatter fields, dynamic arguments, bash execution in commands, user interaction patterns, or command development best practices for Claude Code.
This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven automation", "block dangerous commands", or mentions hook events (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification). Provides comprehensive guidance for creating and implementing Claude Code plugin hooks with focus on advanced prompt-based hooks API.