principle-migrate-callers-then-delete-legacy-apis
Apply when introducing a new internal API while old callers still exist. Migrate callers and delete the old API in the same wave instead of preserving…
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Updated 10-28 00:17
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Apply when introducing a new internal API while old callers still exist. Migrate callers and delete the old API in the same wave instead of preserving…
Apply when writing stateful logic, or when code branches a lot or repeats a shape assumption across files.
Essential Skills and Plugins for Codex beginners. Load when saying "install basic plugins" or "beginner setup".
Python 3.13+ development specialist covering FastAPI, Django, async patterns, data science, testing with pytest, and modern Python features. Use when…
Ralph Engine - Automated feedback loop with LSP diagnostics and AST-grep integration for continuous code quality improvement. Use when implementing…
Generate JSON-LD schema markup for pages and content types with an implementation checklist. Use when users ask for schema, structured data, rich snippets, or…
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
TypeScript library for NEAR Protocol blockchain interaction. Use this skill when writing code that interacts with NEAR Protocol, including viewing contract…
Use when a coding agent works in a repository where Jujutsu (jj) is available (a `.jj/` directory) — running jj commands, making speculative edits, splitting…
Generate adaptive Go coding exercises for developers who want broad practical Go fluency: writing correct programs, building backends, creating CLIs/tools,…
Build private dapps on Starknet through the Starknet Wallet API. Covers shield/unshield, private transfers, shielded balances, private DeFi calls,…
[Extends reviewer] Senior Backend Code Reviewer with 12+ years Java/Kotlin experience. Use when reviewing Java/Spring/Kotlin code, checking code quality and…
Install and configure Swift programming language on Debian Linux for server-side development. Use when building Swift applications on Linux or setting up a…
Review the changes since a fixed point (commit, branch, tag, PR reference, or merge-base), reviewing standards (whether the repository's documented coding standards are followed) and task requirements (whether what the original issue asked for was implemented) separately. Use when the user asks to review a branch, PR, or WIP changes, or says to review changes since some point.
Use when you need to resolve an in-progress git merge / rebase conflict.
Provides comprehensive guidance for COLA architecture including adapter layer, application layer, domain layer, and infrastructure layer. Use when the user…
Intelligent software copyright application material generation tool. Automatically analyzes project source code and generates software documentation and source code documents that meet software copyright application requirements. Supports keyword search, intelligent source code analysis, formatted output, and PDF export.
Skill for users to implement Plaud Embedded's Transcription API. Use this skill when the user wants to transcribe audio files from their Plaud device or mobile…
Search and inspect local iOS 26 SDK documentation and Swift interfaces, especially SwiftUI and SwiftUICore. Use when Codex needs current iOS 26 SwiftUI APIs,…
Prowler UI-specific patterns. For generic patterns, see: typescript, react-19, nextjs-16, tailwind-4. Trigger: When working inside ui/ on Prowler-specific…
Convert Claude Code session files (JSON/JSONL) to clean, paginated HTML transcripts with GitHub integration
Core reactive programming best practices and primitive definitions for preact_signals in Dart.
Deep-dive codebase analysis that explains how things actually work — business rules, architecture patterns, auth flows, data models, integrations, and…
Migrate ESLint or other linters to Rslint. Use when asked to replace ESLint flat config, lint scripts, VS Code ESLint settings, inline directives, rules,…