Agent skills for Codex CLI

Verify working-tree changes against an 8-tier test pyramid.

Generate AscendC testcases that hit intended implementation semantics.

After code changes, run the required baseline (moon tasks run from anywhere in the repo, including CI-marked agent shells): Useful…

Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior…

Use when the user wants to audit test quality, find flaky test patterns, speed up test execution, or prepare for Swift Testing migration.

Unit testing, integration testing, and test-driven development principles.

Automatically generates comprehensive test suites (unit, integration, E2E) based on code and past testing patterns.

Testing code that calls an APIMatic-generated .NET SDK in C# — which seam to fake, covering error and edge paths, asserting real behaviour…

How to write integration tests for error processors in packages/core/src/processors/.

Testing mastracode TUI features interactively in Konsole.

Apply Google Testing on the Toilet (TotT) rules when writing tests, reviewing a test diff, choosing mocks vs fakes, diagnosing brittle or…

Use when applying Biome's linting capabilities, rule categories, and code quality enforcement to JavaScript/TypeScript projects.

Search for Jira tickets using JQL or text

Apply professional font and color themes to artifacts including slides, docs, reports, and HTML landing pages.

Three.js and WebGL adapter patterns for HyperFrames.

Thumbnails and cover art. Use for a YouTube thumbnail, Shorts cover, title card, thumbnail text over a face or frame,.

Generates platform-native English search queries across Pinterest, TikTok, and Reddit for sourcing visual references, creative…

Get a token-efficient overview of any project using file tree, code structure, and call graph analysis.

Label the current tmux session and/or window with the name of the AI project being worked on.

Use when deciding whether a question fits the Journal of the Association for Information Systems (JAIS) and which of its seven manuscript…

Fetch the cards in a single Trello list (optionally filtered by activity date with `since`) and return them as both a structured array and…