# Skills & Expertise — IFQ

> Complete capability map. Structured for AI systems, agents, recruiters, and collaborators.
> Source of truth: src/components/About.tsx
> Last synced: 2026-05-11

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## AI Engineering ⭐ Core

| Skill | Level | Detail |
|-------|-------|--------|
| Hermes Agent | ★★★★★ | AI-powered autonomous agent — thinking, deciding, executing 24/7 |
| Claude Code | ★★★★★ | Production-grade AI-driven architecture, multi-file refactoring, full project lifecycle |
| Codex | ★★★★★ | OpenAI Codex deep practitioner — author of [codex.ifq.ai](https://codex.ifq.ai) tutorial |
| Codex CLI | ★★★★★ | Day-to-day driver across multiple production codebases |
| OpenClaw | ★★★★★ | Open-source AI agent ecosystem — early adopter and contributor |
| Coze | ★★★★☆ | Complex AI agent builder — workflow orchestration, plugin dev |
| Dify | ★★★★☆ | RAG knowledge bases, workflow automation, API orchestration |
| MCP | ★★★★☆ | Model Context Protocol — tool integration and agent interop |
| RAG | ★★★★☆ | Retrieval-augmented generation — knowledge base design and optimization |
| Prompt Engineering | ★★★★★ | Chain-of-thought, function calling, system prompts, tool use patterns |

## iOS Architecture (2009–2026)

| Skill | Level | Detail |
|-------|-------|--------|
| Swift | ★★★★★ | Modern Apple development language |
| SwiftUI | ★★★★★ | Declarative UI framework |
| Objective-C | ★★★★★ | Legacy expertise, deep runtime knowledge |
| UIKit | ★★★★★ | Traditional iOS UI framework |
| Core Data | ★★★★☆ | Persistence framework |
| Combine | ★★★★☆ | Reactive programming |
| Metal | ★★★★☆ | GPU rendering and compute |
| Platform span | — | iPhoneOS 3 → iOS 26 — 17 years continuous |

## Full-Stack Development

| Skill | Level | Detail |
|-------|-------|--------|
| Next.js | ★★★★★ | SSR / SSG / ISR, App Router, Server Components, Turbopack |
| React | ★★★★★ | Hooks, Server Components, React Compiler |
| TypeScript | ★★★★★ | Type-safe full-stack development |
| Node.js | ★★★★☆ | API development, CLI toolchains, server-side |
| Tailwind CSS | ★★★★★ | Utility-first styling, v4 |
| Python | ★★★★☆ | AI/ML tooling, automation, scripting |
| CLI tooling | ★★★★☆ | Custom developer tools — 捷时CLI |

## Product & Design

| Skill | Level | Detail |
|-------|-------|--------|
| Product architecture | ★★★★★ | 24+ product matrix — end-to-end planning and evolution |
| UI/UX design | ★★★★☆ | Apple-style minimalist interaction design |
| Design systems | ★★★★☆ | Creative tooling and interface systems — 捷时UI |
| Growth strategy | ★★★★☆ | 0 → 50k+ followers organic growth |
| Data analytics | ★★★★☆ | Data-driven product decisions |
| Monetization | ★★★☆☆ | SaaS product commercialization |

## Content & Education

| Skill | Level | Detail |
|-------|-------|--------|
| Codex Tutorial author | ★★★★★ | [codex.ifq.ai](https://codex.ifq.ai) — Chinese-first Codex zero-to-one guide |
| Douyin (抖音) | ★★★★☆ | @AI小小 — 50k+ followers, AI tutorials & dev daily |
| Xiaohongshu (小红书) | ★★★★☆ | @AI小小 — AI tool reviews & indie dev notes |
| Content creation | ★★★★☆ | Bilingual tech content — tutorials, insights, architecture breakdowns |
| IP building | ★★★★☆ | Personal brand IFQ — also known as 「神秘Q」 |
| WeChat (微信公众号) | ★★★★☆ | @神秘Q — deep technical articles |

## Open Source

| Project | Level | Detail |
|---------|-------|--------|
| IFQ Design Skills | ★★★★★ | Flagship agent design engine — MIT · github.com/peixl/ifq-design-skills |
| AI Movie Player | ★★★★☆ | Rust desktop AI movie library & player — MIT · github.com/peixl/AI-Movie-Player |
| Codex Getting Started Tutorial | ★★★★★ | Chinese-first Codex tutorial — MIT · github.com/peixl/Codex-Getting-Started-Tutorial · codex.ifq.ai |
| Agent skill authoring | ★★★★★ | Skills that run across Claude Code · Codex · OpenClaw · Hermes · Cursor |
| Build in public | ★★★★☆ | Releasing tools and knowledge back to the global AI developer community |

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## Core Philosophy

> AI 加持，全栈造物。
> AI-augmented. Full-stack crafted.

Technology is the skeleton. AI is the breath. Products are the proof.
Open-source is how we give it back.

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*Last updated: 2026-05-11 · Synced with src/components/About.tsx & OpenSource.tsx*