The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
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Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
24 Lessons, 12 Weeks, Get Started as a Web Developer
📜 33 JavaScript concepts every developer should know.
在 dsh 里装上这个插件即可，无需登录、注册或填 API Key，就能使用包括 DeepSeek V4.1 Flash、Kimi K3 在内的前沿模型——完全免费，不限量。 All you do is install this plugin in dsh: no login, no sign-up, no API key — the frontier models are just there, DeepSeek V4.1 Flash and Kimi K3 among them. Completely free, with no usage cap.
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
- api-client
- git
- graphql-client
- opensource
Automated auditing, performance metrics, and best practices for the web.
- audit
- best-practices
- performance-metrics
- pwa
🔥 A highly scalable, offline-first foundation with the best developer experience and a focus on performance and best practices.
Console for mobile browsers
daily.dev is the personalized developer news feed and community. Get the best tech content from all over the web in your browser new tab or on mobile. Free and open source.
- chrome-extension
- developer-tools
- developer-portal
- professional-networking
Roadmap to becoming a React developer
The Simple, Secure Framework Developers Trust
🚫💩 — Run tasks like formatters and linters against files staged in Git
Comprehensive roadmap for aspiring Embedded Systems Engineers, featuring a curated list of learning resources
- embedded
- embedded-systems
- roadmap
- embedded-software
Node.js debugger based on Blink Developer Tools
67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.
- ai-agents
- claude
- claude-code
- claude-marketplace
Connect APIs, remarkably fast. Free for developers.
- eventsourcing
- event-sourcing
- automation
- workflow
Grab your own sweet-looking '.is-a.dev' subdomain.
- subdomain
- developer
- foss
- website
Example code for HTML, CSS, and Javascript for Web Developers Coursera Course
DeFi Developer roadmap is a curated Developer handbook which includes a list of the best tools for DApps development, resources and references!
🏩 A simple process manager for developers. Start apps from your browser and access them using local domains
DeepSeek Harness（DSH）一只住在 DSH 界面右下角的小鲸鱼娘，帮你盯着DeepSeek账户余额。QQ弹弹，支持拖拽吸附、左吸附翻转、数字滚动动画，随界面自动启用，建议直接喊来你的dsh安装
Search UI components for React and Vue
- ui-components
- data-components
- react
- developer-tools
😎 swag opportunities for developers
- swag
- stickers
- awesome
- awesome-list