
Find where your business is losing profit. Profentra analyzes your sales data, detects margin leaks, identifies profitability drivers, simulates improvement scenarios, and prioritizes the actions with the highest financial impact — backed by traceable evidence.

Elite AI Research and Verification Agent for deep research, evidence gathering, source validation, fact-checking, and structured intelligence synthesis. Use this skill proactively whenever the user wants to research a topic in depth, verify claims or statistics, fact-check a document or argument, investigate a subject thoroughly, gather evidence, validate sources, or produce a credible research report.

AI Integration — Plans and builds LLM API connections (OpenAI, Anthropic, and more) into real apps. Covers model selection, cost estimation, key safety, error handling, and working code. Adapts to non-engineers and developers alike. Stops the #1 mistake: shipping your API key to the browser.

Stop copy-pasting prompts from a doc. Research Writing Assistant routes your academic writing task to the right expert prompt automatically — translation (ZH↔EN, LaTeX & Word), polishing, compression, expansion, de-AI, figure generation, caption writing, experiment analysis, mock review, and chart recommendation. Built from workflows used at MSRA, ByteDance Seed, and top CS PhD programs.

The AI job search pipeline built from 740+ real evaluations. Evaluate offers with structured scoring, generate tailored CVs and cover letters, scan 45+ company portals, track every application, and prep for interviews — all inside Claude Code. Works out of the box. Fully customizable to your roles, language, and market.

AI email subject line optimizer that generates 10 variants across 5 proven styles, recommends A/B test pairs, and checks deliverability. Covers newsletters, promotional, cold outreach, product launches, abandoned cart, events, and re-engagement emails.

Based on an MIT-licensed open-source agent skill. Unofficial and not affiliated with ASD or STEMG.

Production-grade code quality standards for AI coding agents: no-hacks policy, core values hierarchy, universal clean code principles, language-agnostic pitfalls, multi-stack security checks, and TypeScript-first depth with coverage-gap patterns. Grounded in real production failure modes, with standards and tooling spanning 19 languages.

AI-powered equity research that reveals what the market price already assumes, stress-tests investment theses, and identifies the risks and catalysts that matter.