By Git-Fg
Principle-based Claude Code plugin for the full development lifecycle — planning, execution, authoring, code review, root-cause analysis, continuous improvement, ideation, spec-driven development, documentation, and code refinement.
Synthesizes multiple evaluation results into an actionable improvement plan. Use after grading and comparing skills to generate prioritized recommendations.
Reviews code for quality, security, and best practices. Invoke when user asks for code review, PR review, or code quality feedback.
Compares two skill versions to identify what changed and why it matters. Use when a skill was revised and you want to understand the delta.
Scores skill outputs against teaching-focused rubrics. Use when evaluating whether a skill teaches judgment or just prescribes steps.
Expert prompt engineer for Claude Code. Use when creating, optimizing, or executing reusable prompts for task automation. Invoke when user asks to 'create a prompt', 'write a prompt', 'make a prompt executable', or 'run a prompt'.
Root cause analysis methods — Five Whys for single-path causes and Fishbone for multi-category exploration. Use when debugging incidents or analyzing problems.
Traces bugs backward through the call stack to find the original invalid data or incorrect behavior trigger
Orchestrate general-purpose parallel subagents for investigation, self-review, and feedback loops. Use for multi-perspective research, review, and delegated exploration — NOT for executing structured task plans (use a plan-execution workflow instead).
Update project documentation for code changes using multi-agent workflow with specialized tech-writer agents. Covers READMEs, guides, API docs, and JSDoc.
Apply Strunk & White's Elements of Style to make documentation clearer, stronger, and more professional. Active voice, positive form, concrete language, omit needless words.
Uses power tools
Uses Bash, Write, or Edit tools
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Version: 0.3.0
A principle-based Claude Code plugin for building skills, subagents, and project plans.
For when you keep pasting the same instructions into chat, or when CLAUDE.md has grown into a procedure. Each skill teaches you to build better extensions — not by giving you templates and checklists, but by giving you the principles behind them.
# Install from GitHub marketplace
/plugin marketplace add Git-Fg/taches-principled
/plugin install taches-principled
# Or manual install
cp -r skills/* commands/* agents/* ~/.claude/
# Create a new skill
/create-skill Review code for security vulnerabilities
# Plan a project phase
/create-plan First phase: user authentication
# Create an executable prompt
/create-prompt Implement user authentication with JWT
# Run a prompt via sub-task
/run-prompt 001
# Audit an existing skill
/audit-skill ~/.claude/skills/my-skill/SKILL.md
Skills load on demand and give Claude domain expertise without bloating every conversation.
| Skill | When to Use | Enhancements |
|---|---|---|
| create-skills | Building new skills or improving existing ones | Policy/Mechanism, Anti-Patterns, Thresholds |
| create-subagents | Creating specialized agents or configuring the Task tool | Policy/Mechanism, Anti-Patterns, Thresholds |
| create-plans | Planning projects, phases, or features for Claude to build | Policy/Mechanism, Anti-Patterns, Thresholds |
| create-prompts | Creating executable prompts for Claude Code sessions | Policy/Mechanism, Anti-Patterns, Thresholds |
| execute-prompts | Executing prompts via delegated sub-tasks | Policy/Mechanism, Anti-Patterns, Thresholds |
| execute-plans | Executing PLAN.md files via parallel subagent orchestration | Policy/Mechanism, Anti-Patterns, Thresholds |
| subagent-orchestration | Orchestrating parallel subagents for delegated work with self-review loops | RACE Framework, 5 Parallel Patterns, Three Automation Layers |
| code-simplify | Simplifying code post-hoc for clarity and maintainability | Pipeline, Policy/Mechanism, Anti-Patterns, Thresholds |
| add-task | Capturing a task idea for structured development | Standardized folder structure, type classification |
| analyse | Analyzing problems with structured investigation methods | Fishbone, A3, Five Whys |
| analyse-problem | Comprehensive A3 problem analysis with root cause and action plan | A3 one-page format |
| code-review | Reviewing code diffs for correctness bugs | Multi-effort review levels |
| ideation | Generating and refining ideas systematically | Creative sampling, collaborative brainstorming |
| implement-task | Implementing refined task specs with LLM-as-Judge verification | Quality-gated implementation |
| kaizen | Continuous improvement with multiple Kaizen methods | Gemba Walk, Value Stream, Muda |
| plan-do-check-act | Iterative experimentation cycles for systematic improvement | PDCA cycle |
| plan-task | Refining draft specs into implementation-ready tasks | Multi-phase refinement, quality gates |
| reflexion | Reflecting on past work to extract lasting insights | Agentic Context Engineering |
| root-cause-analysis | Systematic root cause investigation using structured methods | Multiple RCA methods |
| root-cause-tracing | Debugging by tracing backward through call stacks | Systematic backtracing with instrumentation |
| update-docs | Maintaining project documentation via multi-agent workflow | Tech-writer agents, quality review |
| write-concisely | Clear, professional writing for human-readable docs | Writing rules and standards |
Slash commands for quick, focused workflows.
| Command | What It Does |
|---|---|
/debug | Apply systematic debugging methodology |
/whats-next | Create a handoff for a fresh session |
/simplify | Simplify and refine recently modified code |
Specialized agents for quality, review, and evaluation work.
| Agent | Purpose |
|---|---|
| code-reviewer | Reviews code for issues that matter |
| prompt-engineer | Reviews prompts for clarity and effectiveness |
| skill-auditor | Reviews skills for clarity and routing |
| subagent-auditor | Reviews subagents for effectiveness |
| grader | Evaluates skill teaching effectiveness on 4 dimensions |
| comparator | Compares skill versions for delta analysis |
| analyzer | Synthesizes evaluation results into improvement plans |
Six standalone plugins are hosted under plugins/, each independently installable from the marketplace:
npx claudepluginhub git-fg/taches-principled --plugin tp-session-auditTest-driven development — write tests first, watch them fail, implement to pass. Fix broken tests after refactoring with verification.
Structured agent-driven development with multi-pattern evaluation — judge, sequential, parallel, competitive, and tree-of-thoughts execution with meta-judge verification.
First Principles Framework — structured reasoning with hypothesis generation, evidence validation, and auditable decision records.
Principle-based Claude Code plugin for the full development lifecycle — planning, execution, authoring, code review, root-cause analysis, continuous improvement, ideation, spec-driven development, documentation, and code refinement.
Git workflow automation — conventional commits, PR creation, issue analysis, git notes, worktrees, and inline PR review comments.
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
Upstash Context7 MCP server for up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your LLM context.
Harness-native ECC operator layer - 67 agents, 271 skills, 92 legacy command shims, reusable hooks, rules, selective install profiles, and production-ready workflows for Claude Code, Codex, OpenCode, Cursor, and related agent harnesses
Access thousands of AI prompts and skills directly in your AI coding assistant. Search prompts, discover skills, save your own, and improve prompts with AI.
Comprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review
Complete developer toolkit for Claude Code