Writing

Design Patterns gives Java examples for common patterns like Factory, Builder, Strategy, and Observer. Use it when implementing a pattern, designing extensible components, or refactoring rigid code.

Git Commit Messages generates conventional commit messages for Java changes. Use it after code edits or when you need a commit message for staged changes.

Mermaid Diagram validates Mermaid syntax before outputting code blocks. Use it to create flowcharts, sequence diagrams, ER diagrams, Gantt charts, and other Mermaid-based visuals.

Build In Public helps you write and time posts about what you shipped, learned, and changed. Use it when sharing engineering decisions, failures, and launch updates without exposing sensitive details.

Academic Humanizer minimally revises English or Chinese academic prose to remove formulaic or mechanically repetitive phrasing while preserving claims, terminology, and scholarly register. Use it for papers, abstracts, grants, cover letters, and reviewer responses when you want to humanize text without changing meaning.

Product Manager helps create and review PRDs, MRDs, and BRDs, and supports product strategy, retention growth, competitor analysis, and feature prioritization. It also runs grill-me-to-doc interviews to turn a rough idea into a structured product document without writing implementation code.

Weather Forecast Report organizes weather forecast project documents, models, and evaluation results into a provincial natural science fund-style research report. Use it for final reports, technical-to-academic rewrite, and structured reporting on single-site forecasts such as wind speed, visibility, and rainfall.

WeChat Article Writer creates Chinese WeChat public account articles in article, image-prompts, layout, or full-pipeline mode. Use it for official account posts, personal technical blogs, event recaps, and product reviews, but not for publication or standalone image generation.

Docstring Expert helps write Python docstrings in the right style for a project. Use it to format summaries, Args, Returns, Raises, and examples for public APIs and classes.

Second Brain Ingest processes raw source files into structured wiki pages with summaries, linked entities, concepts, and a log entry. Use it when new material is added to raw/ and should be incorporated into the knowledge base.

Human-First Visual Digest restates specs, tasks, diffs, or conversation topics as compact markdown visuals. Use it when a review needs a quick structural view instead of long prose.

After-Action Report runs a structured postmortem or retrospective on a launch, incident, or finished project. It helps capture timeline, root cause, contributing factors, and action items for future improvements.