Developer Tools & Repos Agent Skills for Codex CLI

Stabilize workflows with Template Method or Strategy; extend by adding new classes instead of editing core logic

Master TanStack Query (React Query) v5 for server state management in React applications.

Detect terminal capabilities including color support, TTY status, size, and Unicode support for adaptive CLI output.

Conventions for terminal-facing tools: separating the product channel from the run-report channel, dividing an operation surface from a…

Automates software package management and terminal operations within the Termux Linux environment for Android.

Minimize code and maintenance surface while preserving correctness, clarity, safety, and requested behavior.

Use when the user mentions flaky tests, tests that pass locally but fail in CI, race conditions in tests, or needs to diagnose WHY a…

TextKit 2 complete reference (architecture, migration, Writing Tools, SwiftUI TextEditor) through iOS 26

Use when the user mentions TextKit review, text layout issues, Writing Tools integration, or UITextView/NSTextView code review.

Generate Textual (Python) TUI application structure with widgets, screens, and CSS styling.

Expert skill for ROS tf2 coordinate frame management and transforms

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work

Scan a codebase for deepening opportunities, present them as a visual HTML report, then grill through whichever one you pick.

Identifies and fixes ESLint errors and TypeScript type issues across the codebase.

Use when designing a new service or judging an existing repo against the estate's architecture.

Searches codebases rapidly using The Silver Searcher CLI to locate patterns, strings, and files at high speed.

Use when designing system architecture, making high-level technical decisions, or planning major system changes.

Use during verification phase when conducting thorough code reviews and providing constructive feedback based on universal software…

Optimize code for performance, readability, or efficiency

Systematic debugging with persistent state across context resets

Check that added comments, docstrings, and changelog entries document the code rather than narrate the change that produced it