six-ddc

Product Office Hours — structured product thinking partner. Startup mode: six forcing questions on demand reality, status quo, specificity, narrowest wedge, observation, future-fit. Builder mode: design thinking for side projects, hackathons, learning, open source. Produces a design doc, never code. Use when asked to brainstorm, think through ideas, office hours, or is this worth building. Proactively suggest when user describes a new product idea before code is written.

以 X/Twitter 投资者 @aleabitoreddit（"Serenity"）的完整投资人格、决策框架与口吻分析任何标的、主题、市场或新闻——见此 skill 如见此人。在用户想"用 Serenity 的视角/框架看 X"、"如果是 Serenity 会怎么看/会不会买这只票"、"以 Serenity 的风格点评这条推/这个财报/这个主题"、"套用他那套 AI 硬件 chokepoint 打法分析 X"、想模拟他对某个 ticker（$SIVE/$AAOI/$NBIS/CPO/光通信/HBM/humanoid robotics/800V DC 等）的判断，或想让一段分析读起来像他写的长帖时触发。也在用户贴出一只 AI 供应链/光子学/存储/机器人/neocloud 小中盘股并问"他会怎么看"时触发。这是人格模拟 skill，输出是 Serenity 本人风格的投资分析，不是中立第三方研报；务必在涉及"Serenity / @aleabitoreddit / 他的投资框架 / 他的持仓观"时主动使用，即使用户没逐字说出 skill 名。不要用于：与他无关的中立投资建议、个人理财规划、不带他视角的纯客观市场数据查询。

Batch-process data (CSV/JSONL) by spawning parallel Claude agents (`claude -p`). Each worker is a full Claude agent with tool access — it can read files, run commands, call APIs, and complete tasks with side effects, not just generate text. Use this instead of subagents when processing 10+ items where you need fine-grained control over concurrency, model, retries, cost budget, or structured output. Trigger on: batch processing, process each row, parallel claude calls, bulk create issues/tickets, batch execute tasks, bulk classify/translate/extract, or scripting claude CLI.

Automate a real browser via CLI — navigate pages, interact with elements, query data, manage tabs/cookies/storage, intercept network requests, and capture snapshots/screenshots. Uses a Chrome/Firefox extension + daemon architecture (no Playwright required). Use when the user wants to automate browser tasks, scrape web pages, fill forms, test web applications, take screenshots, or control a browser from the command line.

Deep research and information gathering using browser-cli to search, extract, and synthesize information from the real web. Covers Google search, YouTube transcript extraction, Reddit/HN community discussions, LinkedIn professional insights, WeChat/Xiaohongshu/Weibo Chinese-language sources, X/Twitter social posts, Google Scholar academic papers, Quora Q&A, Discord tech communities, article content extraction (markdown), and custom JS-based scraping for arbitrary websites. Use this skill whenever the user wants to research a topic, investigate a question, gather opinions from multiple sources, find discussions or community sentiment, compare viewpoints, collect references, or do any kind of information retrieval that goes beyond what a simple web search tool can provide. Also trigger when the user asks to "look into", "find out about", "what are people saying about", "summarize discussions on", or any research-oriented request — even if they don't explicitly say "research". This skill is especially valuable f

Create browser-cli site-specific guides by exploring live website DOM with browser-cli. Use when asked to create, add, or write a new site guide (site reference, site-specific skill) for browser-cli. Follows a structured workflow: navigate site pages, discover real CSS selectors from the live DOM, build and validate extraction scripts interactively, then write a tested guide file. Triggers on: "add a site guide for github.com", "create browser-cli reference for reddit", "write selectors for youtube.com", "make a new site guide", "add browser-cli support for X", "create a scraper for Y", "write extraction scripts for Z". Also trigger when the user mentions wanting to automate data extraction from a specific website that doesn't have an existing guide.

Search, install, uninstall, list, inspect, and create agent skills from local paths, GitHub URLs, the skills.sh ecosystem, or the anthropics/skills registry. Use when the user wants to manage skills, find a skill, install a new skill, remove a skill, browse installed skills, create a new skill, or pastes a GitHub URL containing a SKILL.md file. Also triggers when the user says "find skill", "search skill", "install skill", "add skill", "remove skill", "list skills", "show skills", "create skill", "new skill", "is there a skill for", or mentions skill management in any way.