Frontend

This skill provides guidance for tasks involving merging git branches that contain different implementations of ARC-AGI pattern recognition algorithms, and then implementing a working solution that generalizes across examples. Use this skill when the task involves (1) merging git branches with conflicting code, (2) analyzing ARC-AGI style input/output grid transformations, or (3) implementing pattern recognition algorithms that must generalize to unseen test cases.

Guide for configuring Nginx web server with custom request logging, rate limiting, and error pages. This skill should be used when tasks involve Nginx installation, configuration, custom log formats, rate limiting setup, or custom error page creation.

Create scroll-triggered and entrance animations using Framer Motion (motion package). Use when adding animations, implementing scroll reveals, or migrating from CSS/Intersection Observer.

Guides AILANG parser development with conventions and patterns. Use when user wants to modify parser, understand parser architecture, or debug parser issues. Saves 30% of development time by preventing token position bugs.

Guidance for converting R-Stan (RStan) code to Python-Stan (PyStan). This skill applies when translating Stan models and inference code from R to Python, including API mapping between RStan and PyStan 3.x, hyperparameter translation, and handling differences in output formats. Use this skill for statistical model migration, Bayesian inference code conversion, or when working with Stan models across R and Python ecosystems.

Guides development of AILANG builtin functions. Use when user wants to add a builtin function, register new builtins, or understand the builtin system. Reduces development time from 7.5h to 2.5h (-67%).

Generate structured landing page copy with hero, body, proof, and CTA sections. Framework-agnostic - adapts approach based on awareness level and offer type.

Guidance for compiling POV-Ray 2.2 (a 1990s-era ray tracing software) from source on modern Linux systems. This skill should be used when the task involves downloading, extracting, and building POV-Ray 2.2 or similar legacy/historical software that requires special handling for modern compiler compatibility.

Update Tailwind CSS configuration, custom themes, and design tokens across packages. Use when adding new colors, spacing scales, or customizing the design system.

Analyze and optimize JavaScript bundle size, identify large dependencies, and improve load times. Use when bundles are large, investigating performance issues, or optimizing frontend assets.

Guide for implementing metacircular evaluators—interpreters that can interpret themselves. This skill should be used when building self-interpreting Scheme-like evaluators, debugging multi-level interpretation issues, or implementing language features like environments, closures, and special forms. Focuses on incremental development, continuous metacircular testing, and systematic debugging of nested interpretation failures.

Guidance for compiling SQLite (or similar C projects) with gcov code coverage instrumentation. This skill should be used when tasks involve building software with gcov flags, setting up code coverage instrumentation, or troubleshooting coverage data file generation. Covers gcov path mechanics, build directory considerations, and runtime verification strategies.

Creates design_guidelines.md for frontend projects. L3 Worker invoked CONDITIONALLY when hasFrontend detected.

Guide for sanitizing git repositories by identifying and replacing sensitive information such as API keys, tokens, and credentials. This skill should be used when tasks involve removing secrets from codebases, sanitizing repositories before sharing, or replacing sensitive values with placeholders. Applies to tasks involving secret detection, credential removal, or repository cleanup for security purposes.

Enforce consistent React component naming conventions using domain + role patterns. Use when creating, reviewing, or refactoring components.

Guidance for recovering data from corrupted or truncated SQLite database files through binary analysis and manual parsing. This skill applies when working with damaged SQLite databases that cannot be opened with standard tools, particularly when corruption is due to binary truncation, incomplete writes, or filesystem errors.

When css being written or edited.

Worker that checks DRY/KISS/YAGNI/architecture/guide compliance for Done implementation tasks. Reports issues; does not change statuses or create tasks.

This skill provides guidance for compiling software (particularly SQLite) with gcov code coverage instrumentation, installing to custom prefixes, and making binaries available system-wide. Use when tasks involve compiling C/C++ projects with coverage flags, installing software to non-standard locations, or ensuring PATH availability for installed binaries.

This skill provides guidance for implementing headless terminal interfaces that programmatically control interactive shell sessions. Use this skill when tasks involve creating terminal emulators, implementing pseudo-terminal (PTY) wrappers, building programmatic shell interfaces, or any scenario requiring automated interaction with command-line programs.