Instrument evaluation metrics, quality scores, and feedback loops

Structure systems around asynchronous, event-based communication to decouple producers and consumers for improved scalability and resilience. Use when building loosely coupled systems with asynchronous message-based communication.

Create detailed implementation plans for software features and refactoring tasks. Use this skill when planning new features, architectural changes, or major refactoring efforts.

Analyze messy and unstructured Excel files to identify data quality issues, detect format inconsistencies, find missing values, and generate comprehensive analysis reports. Use when Claude needs to work with Excel files (.xlsx, .xls) for data quality assessment, structure analysis, or when users request data auditing, cleaning recommendations, or statistical summaries of spreadsheet data.

Autonomously execute exploratory implementation of one approach from spike definition, working independently until natural stop. Use when partner provides spike definition and assigns you an approach number to explore in isolation, when comparing multiple implementation alternatives, or when evaluating technical feasibility before committing to an approach

Sample task answers, score outcomes, and derive rules as token priors - achieving continual learning for $18/100 samples vs $10k fine-tune cost, without changing model weights.

Provides comprehensive report generation and refinement capabilities. Following the skill-creator pattern, this plugin handles both:

Systematically explore a codebase area and find/fix obvious issues with fresh eyes.

Use this when user needs to document business requirements from undocumented legacy code. Provides systematic 6-phase extraction: automated analysis, validation rules, use cases, business rules, data models, and workflow mapping. Apply for legacy system documentation, migration planning, compliance audits, or M&A due diligence

Use when analyzing FileMaker DDR to extract calculations, custom functions, and business logic for PostgreSQL import processes or maintenance scripts - focuses on understanding and adapting FileMaker logic rather than direct schema migration

Coordinate FABER-DB operations within FABER workflow phases

FastAPI with PostgreSQL, async SQLAlchemy 2.0, Alembic, and Docker.

Break down feature requests into detailed, implementable plans with clear tasks. Use when user requests a new feature, enhancement, or complex change.

Systematically gather, organize, and act on user feedback

Process viewer comments and feedback to improve content

Set up fast file suggestions for Claude Code using ripgrep, jq, and fzf. Use this skill when users want to improve file autocomplete performance or add custom file suggestion behavior.

Use when training a fine-tuned model and evaluating improvement over base model. Triggers - have filtered training data, ready to submit training job, need to convert to GGUF. Requires finetune-generate first.

Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of setup hides real complexity. Security rules are your last line of defense, and they're often wrong. Firestore queries are limited, and you learn this after you've designed your data model. This skill covers Firebase Authentication, Firestore, Realtime Database, Cloud Functions, Cloud Storage, and Firebase Hosting. Key insight: Firebase is optimized for read-heavy, denormalized data. I

You're a developer who has shipped dozens of Firebase projects. You've seen the

Fixes RuboCop offenses systematically and safely. Use when the user wants to reduce RuboCop warnings, clean up .rubocop_todo.yml, fix linting errors, or improve code style compliance.

Catalog and analyze prompts in Flow SDK workflows before conversion. Use to identify prompt formats, variables, and conversion requirements.

Analyze Flow SDK workflow structure before migration. Use to map inputs, outputs, steps, control flow, and dependencies.

Validate and fix folder structure for Output SDK workflows. Use to ensure migrated workflows follow the correct structure conventions.

Convert Flow SDK activities.ts to Output SDK steps.ts. Use when migrating activity functions to step definitions with typed parameters.

Convert Handlebars template syntax to Liquid.js in prompts. Use when migrating prompt templates from Flow SDK to Output SDK.

Convert inline prompts and prompt arrays to .prompt files with YAML frontmatter. Use when migrating prompts from Flow SDK format to Output SDK prompt files.

Convert Flow SDK workflow class to Output SDK workflow() function. Use when migrating workflow.ts files from class-based to functional definitions.

Fix ESLint issues in migrated Output SDK code. Use when seeing lint errors after migration, or when writing new Output SDK code that needs to follow project conventions.

Remove try-catch antipattern from step calls during Flow to Output SDK migration. Use when converting workflow code that wraps step calls in try-catch blocks.

This skill helps diagnose and fix a critical issue where Zod schemas are imported from the wrong source during migration. Output SDK requires schemas to be imported from `@output.ai/core`, not directl

Complete migration validation checklist for Flow to Output SDK. Use after migration to verify completeness and correctness.

This skill provides the Comic style UI design guideline and code to make the Flutter app look better. ALWAYS use this skill when the user asks to create, update, design, modify, or build any page, screen, widget, or UI component in a Flutter application.

Database migration patterns using Flyway with versioned SQL scripts

Flyway database migrations - use for schema changes, data migrations, version management, and PostgreSQL DDL

Use when planning architecture refactoring, understanding cross-module dependencies, discovering hidden dependencies, finding shotgun surgery patterns, or identifying files that change together - reveals temporal coupling and architectural violations using git history analysis

Use when planning refactoring priorities, investigating recurring bugs, identifying which files cause the most bugs, or determining problem areas to fix - identifies high-risk files by combining git change frequency with code complexity using research-backed formula (4-9x defect rates)

Use when planning refactoring sprints, prioritizing technical debt backlog, justifying refactoring investment to executives, or creating data-driven roadmaps - calculates return on investment using effort-impact matrices and research-backed formulas

Use when understanding velocity issues, measuring quality improvement efforts, tracking interrupt work, or quantifying technical debt impact - monitors trends in unplanned work (bugs, hotfixes) and correlates with code hotspots

Extract and analyze Angular Reactive Forms from source code for migration comparison and validation. Use when comparing forms between legacy and migrated code.

Format TypeORM migrations with beautifully formatted SQL code. Use this skill after generating migrations to ensure consistent SQL formatting.

Use when animating form fields, inputs, textareas, selects, or interactive form elements to improve usability and feedback

Support founder mental health, decision-making, and leadership challenges

Generate data migration scripts for Frappe. Use when migrating data from legacy systems, transforming data structures, or importing large datasets.

Manage freelance business operations including clients, projects, and finances

You are an expert in freight transportation optimization and logistics. Your goal is to help minimize transportation costs, improve service levels, and optimize carrier selection across all transporta

Design and build reusable, composable UI components with single responsibility, clear interfaces, and proper encapsulation. Use this skill when creating or editing React components, Vue components, Svelte components, or any modular UI building blocks. When defining component props, state management, component composition, or component APIs. When working with component files (e.g., `.jsx`, `.tsx`, `.vue`, `.svelte`), component libraries, design systems, or shared UI elements. When refactoring components, extracting reusable logic, or building component hierarchies.

**Deep research-driven skill for finding optimal frontend design patterns.**

코드 리팩토링 에이전트. 코드 구조를 개선하고 리팩토링합니다.

Master TypeScript's type system for bulletproof JavaScript applications. Expert in advanced types, generics, and type-safe patterns. Activate for TypeScript development, type system design, or JavaScript migration.