Engineering practices
Context engineering, multi-agent setups, evals and code review — putting models inside a real workflow.
Data compliance checklist for AI coding tools
Data classification, five contract questions, and the line between verifiable and contractual.
Updated 2026-09-02
Go lane · DeepSeek
Official X: new V4 Flash is in OpenCode Go and Free. Ids opencode-go/deepseek-v4-flash and deepseek-v4-pro. Flash is the volume lane; Pro burns the dollar cap faster. DeepSeek ZDR: as of 2026-08-30 fetch, official text still said valid through August 31, 2026.
Updated 2026-08-30
Claude Code PreModelSwitch
2.1.251: official hooks before a model switch, block / confirm / annotate
Updated 2026-08-30
Claude Code /design (2026-08-17 preview)
Artboards in CLI/Desktop before implementation; research preview, not GA
Updated 2026-08-30
Why Sub-Agents Drain Quota So Fast
The token-resend mechanism, usage estimation, and reduction methods
Updated 2026-08-27
Multi-Tool Quota Rotation Guide
How to compliantly orchestrate quota across Claude Code, Codex, and Cursor
Updated 2026-08-27
Kimi K3 Self-Host vs API
The real deployment cost and break-even point of 2.8T open weights
Updated 2026-08-22
The Composable AI Coding Stack
Orchestration/execution/review layering, per-task model routing, one key as the base
Updated 2026-08-22
Claude Mid-Conversation Tool Changes (Beta)
The header, supported models, cache behavior and forwarding pitfalls
Updated 2026-08-22
Developer preview · MIT
Official DeepSeek agent harness (dsh). Everything is a plugin on the Cordis kernel. npx @deepseek-ai/dsh web. MIT, breaking changes. Minimal mode is how Flash 0731 / Pro 0813 official benches were run.
Updated 2026-08-14
Multi-Model Routing Guide 2026: Best Practices for Task Allocation across Claude / GPT / Gemini
Claude, GPT-5.6, Gemini — which to use when? Decision matrix, implementation patterns and cost optimization. Route across models with one QCode key.
Updated 2026-07-13
MCP Security & Sandboxing Guide: Production Practices for AI Agent MCP Servers
MCP boosts AI agents but increases risks. Guide to OWASP, sandboxing, least privilege, auditing and safe multi-MCP with one QCode key.
Updated 2026-07-13
Long Context AI Coding Guide 2026: Practical Techniques for 1M+ Windows
1M+ context windows are common. How to use them effectively: repo maps, cache prefixes, selective loading and anti-patterns.
Updated 2026-07-13
Agentic Code Review Practical Guide: How Developers Review AI-Generated Code in 2026
AI agents now generate 10x more code. Review has become the highest-leverage human skill. Actionable checklists, common pitfalls, and team processes.
Updated 2026-07-13
MCP Server Ecosystem 2026: 13,000+ Servers and the Context-Tax Reality
MCP ecosystem 2026: 13,000+ servers, 97M monthly downloads. Must-have servers, context-tax pitfall, MCP Gateway, Claude Code/Codex/Cursor integration.
Updated 2026-05-16
Anthropic Agent Skills Open Standard: One Format for Claude / Codex / ChatGPT
Anthropic Agent Skills (Dec 2025 open standard, adopted by OpenAI Codex/ChatGPT): SKILL.md spec, 17 official skills, cross-vendor, enterprise admin.
Updated 2026-05-16
AI Agent Evals & Readiness Harness 2026: Production Evaluation Playbook
Going from demo to production for AI agents: build an evals suite and readiness harness. 7 evaluation dimensions, 4 harness patterns, CI integration, observability loop. A practical companion to harness engineering.
Updated 2026-05-13
AGENTS.md Spec Complete Guide 2026: Cross-Vendor AI Agent Memory Standard
AGENTS.md is the cross-vendor AI agent project memory standard launched Aug 2025 by OpenAI, Google, Cursor, Factory. Spec breakdown, CLAUDE.md interop, best practices, real examples.
Updated 2026-05-13
Claude Agent SDK Developer Guide | QCode.cc
Complete developer guide for Claude Agent SDK (formerly Claude Code SDK). Python and TypeScript quickstarts, core concepts, comparison with Managed Agents, and setup via QCode.cc proxy.
Updated 2026-04-10
2026 Agentic Coding Trends: The AI Programming Revolution
2026 Agentic coding trends analysis: 55% attention shift to autonomous programming, multi-agent collaboration, developer AI adoption, understand the future of AI coding
Updated 2026-04-10
Vibe Coding Complete Guide 2026
Complete Vibe Coding guide for 2026: use natural language to describe what you want and let AI generate the code. Learn what Vibe Coding is, the best tools (Claude Code, Codex, Cursor), use cases, and safety boundaries.
Updated 2026-03-30
Harness Engineering Complete Guide 2026
Deep dive into Harness Engineering — the hottest AI concept of 2026. From Prompt Engineering to Context Engineering to Harness Engineering, master the Agent = Model + Harness paradigm for building reliable AI agents.
Updated 2026-03-30
Context Engineering Complete Guide 2026
Complete Context Engineering guide 2026: AI agent information architecture design. Understand the fundamental difference between Context Engineering and Prompt Engineering, and master RAG, tool definitions, memory management, and Claude Code CLAUDE.md practices.
Updated 2026-03-30
CLAUDE.md Best Practices: Project Memory & Team AI Collaboration
Learn how to write effective CLAUDE.md project memory files and master team AI collaboration best practices. Includes templates, advanced tips, and multi-person project standards.
Updated 2026-03-26
Complete AI Coding Tutorial: From Beginner to Expert
From beginner to master in AI-assisted coding. Learn Claude Code, Cursor and other tools, master prompt engineering, and boost development efficiency by 10x.
Updated 2026-03-26
AI Multi-Agent Programming Guide: Claude Code + OpenCode + Codex
Complete guide to AI multi-agent programming with Claude Code Agent Teams, OpenCode multi-agent architecture, and Codex parallel execution. Learn how to orchestrate multiple AI agents for complex development tasks.
Updated 2026-03-16
AI Coding Best Practices: Professional Guide to Improving Code Quality and Development Efficiency
Master professional AI-assisted coding techniques to improve code quality and development efficiency. Complete guide from prompt engineering to workflow optimization.
Updated 2026-02-15
AI Coding Case Studies: Real-World Claude Code Application Practices
Explore AI coding applications in real-world projects. Learn from successful case studies and discover how Claude Code improves development efficiency and code quality.
Updated 2026-02-10