claude▌

Create, test, and iteratively improve AI agent skills with structured evaluation and benchmarking. \n \n Guides you through the full skill development lifecycle: intent capture, drafting, test case creation, evaluation, and iteration based on user feedback \n Runs parallel test cases with and without the skill to measure impact, capturing timing and token usage for quantitative comparison \n Generates an interactive browser-based reviewer showing outputs, qualitative feedback, and benchmark metr

Create, edit, and analyze Excel spreadsheets with formulas, formatting, and error-free calculations. \n \n Supports reading, creating, and modifying .xlsx, .xlsm, .csv, and .tsv files using pandas for data analysis and openpyxl for formulas and formatting \n Automatically recalculates all formulas and scans for Excel errors (#REF!, #DIV/0!, #VALUE!, #N/A, #NAME?) using LibreOffice integration \n Enforces industry-standard color coding and number formatting for financial models (blue for inputs,

### Localize - description: "Full localization pipeline: scan for hardcoded strings, extract and manage string tables, validate translations, generate translator briefings, run cultural/sensitivity review, manage VO - argument-hint: "[scan|extract|validate|status|brief|cultural-review|vo-pipeline|rtl-check|freeze|qa]" - agent: localization-lead

Distinctive, production-grade frontend interfaces that reject generic AI aesthetics. \n \n Guides design thinking before coding: establish bold aesthetic direction (brutalist, maximalist, retro-futuristic, luxury, playful, etc.) with clear purpose, tone, and differentiation \n Emphasizes typography, color theming, motion, spatial composition, and textural details as core design pillars; uses CSS variables, animations, and scroll-triggered effects \n Generates working, functional code (HTML/CSS/J

### Brand Voice Guide - Define core voice dimensions like formal vs. conversational and bold vs. restrained to ensure consistent brand identity. - Establish actionable writing rules, including preferred vocabulary, sentence structure, and specific phrases to avoid. - Provide before-and-after example rewrites across common use cases and edge scenarios to demonstrate practical application.

### Code Review - description: "Performs an architectural and quality code review on a specified file or set of files. Checks for coding standard compliance, architectural pattern adherence, SOLID principles, testabili - argument-hint: "[path-to-file-or-directory]" - allowed-tools: Read, Glob, Grep, Bash, Task

### Data Compression Utility - Reduces file sizes by applying lossless compression algorithms to specified inputs. - Supports multiple compression formats to optimize storage and transmission efficiency. - Provides command-line flags for adjusting compression levels and output directory paths.

Apply Anthropic's official brand colors and typography to visual artifacts and designs. \n \n Includes a defined color palette with primary dark/light neutrals, mid and light grays, plus three accent colors (orange, blue, green) \n Applies Poppins font to headings (24pt+) and Lora font to body text, with automatic fallbacks to Arial and Georgia \n Smart color selection based on background context to preserve readability and visual hierarchy \n Works with system-installed fonts; no additional ins

Intercept and block dangerous git commands before Claude executes them via PreToolUse hooks. \n \n Blocks five command categories: git push (including --force ), git reset --hard , git clean , git branch -D , and git checkout / git restore on tracked files \n Installs as a bash hook script to either project scope ( .claude/settings.json ) or globally ( ~/.claude/settings.json ) \n Customizable blocklist: edit the hook script to add or remove patterns based on your safety requirements \n Claude r

### Tech Debt - description: "Track, categorize, and prioritize technical debt across the codebase. Scans for debt indicators, maintains a debt register, and recommends repayment scheduling." - argument-hint: "[scan|add|prioritize|report]" - allowed-tools: Read, Glob, Grep, Write