Explorar skills

System Prompt 工程 — 基於 Claude Code 914 行系統提示詞的逆向分析。Use when: 撰寫 system prompt、設計 prompt 動態組裝、最佳化 prompt cache 效率、撰寫安全指令。

Statistical models library for Python. Use when you need specific model classes (OLS, GLM, mixed models, ARIMA) with detailed diagnostics, residuals, and inference. Best for econometrics, time series, rigorous inference with coefficient tables. For guided statistical test selection with APA reporting use statistical-analysis.

Internal Auto-Harness generator skill for parallel sprint contract drafting. Use only inside the Generator subagent when it is producing or revising the current parallel sprint contract.

Continuous learning framework — learn from work, organize knowledge, build feedback loops. Use when: recording lessons, organizing knowledge, or setting up learning systems that persist across sessions.

Internal Auto-Harness generator skill for QA fix cycles. Use only inside the Generator subagent when it is addressing named defects from QA or retest.

Use when sending emails - ActionMailer with async delivery via SolidQueue, templates, previews, and testing

Use when writing, reviewing, or deciding what to post on Threads. Also triggers when planning post-viral strategy or checking posting timing. Runs pre-publish checks based on Meta algorithm patents.

Authorization and permissions management for Ruby on Rails applications using CanCanCan. Use when: (1) Implementing role-based access control (RBAC), (2) Defining user permissions and abilities, (3) Restricting resource access in controllers, (4) Filtering queries based on user permissions, (5) Hiding/showing UI elements based on authorization, (6) Testing authorization logic, (7) Managing admin v

RESTful API controller patterns for Ruby on Rails. Use when: (1) Building JSON APIs, (2) API versioning, (3) Error handling and status codes, (4) Authentication with tokens/JWT, (5) Rate limiting, (6) CORS configuration, (7) Pagination and filtering, (8) API documentation, (9) Testing API endpoints

Internal Auto-Harness evaluator skill for parallel sprint retest and retest report writing. Use only inside the Evaluator subagent during evaluator_retest_parallel.

Internal Auto-Harness generator skill for worktree-merge fix integration. Use only inside the parallel Generator integrator when it is addressing named defects from QA or retest.

Use when writing E2E tests with Cucumber BDD and Playwright, setting up BDD test infrastructure, writing Gherkin feature files, implementing step definitions, configuring hooks and World, or integrating Cucumber with CI/CD. Invoke for Cucumber, BDD, Gherkin, feature files, step definitions, Given When Then, hooks, tags, World, scenario outline, @cucumber/cucumber.