tech

AI, Code & E-commerce

Articles on AI automation, web development, Next.js, SEO, and scaling e-commerce businesses. 95 articles.

I write about the tools and systems I actually build with — from multi-agent AI pipelines and MCP servers to Next.js full-stack apps, Supabase backends, and SEO automation. Every article comes from a real project: shipping production code, scaling e-commerce stores, or wiring up AI agents that do useful work. If you're a developer, founder, or just curious about how modern web stacks fit together, you'll find practical walkthroughs, honest trade-offs, and working code examples here. Topics span AI and LLM integration, cloud infrastructure (Vercel, AWS, Docker), developer tooling, and the business side of building software products.

95 articles

How We Build Secure Beta Waitlists on Cloudflare
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How We Build Secure Beta Waitlists on Cloudflare

A practical method for production-ready Cloudflare beta waitlists with double opt-in, Turnstile, hashed tokens, SMTP, admin controls, and release gates.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
9 min read
RAG Evaluation: Test Retrieval Before Tuning the LLM
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RAG Evaluation: Test Retrieval Before Tuning the LLM

A research-backed workflow for finding whether a RAG system failed at retrieval, grounding, abstention, or operations.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
13 min read
AI Agent Permissions Need Deterministic Enforcement
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AI Agent Permissions Need Deterministic Enforcement

Design an AI agent permission system that limits the impact of model mistakes, reduces approval fatigue, and produces verifiable action receipts.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
11 min read
Best Free AI Coding Agents 2026: Qwen Code vs Kimi Code
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Best Free AI Coding Agents 2026: Qwen Code vs Kimi Code

If you are trying to choose the best free AI coding agents in July 2026, start with Qwen Code versus Kimi Code, then keep Codex as the premium fallback for the tasks that are expensive to get wrong.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
13 min read
Gemini 3.6 Flash vs GPT-5.6 Sol: Where Kimi K3 Fits
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Gemini 3.6 Flash vs GPT-5.6 Sol: Where Kimi K3 Fits

Gemini 3.6 Flash vs GPT-5.6 Sol vs Kimi K3 for AI agents: pricing, tool use, free testing, and the routing choice I would make on July 26, 2026.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
10 min read
Gemini 3.6 Flash vs GPT-5.6 Sol vs Kimi K3: Best First Model
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Gemini 3.6 Flash vs GPT-5.6 Sol vs Kimi K3: Best First Model

For most agent builders, Gemini 3.6 Flash is the practical first choice; GPT-5.6 Sol is the escalation model, and Kimi K3 is the alternative when you want price-performance or long-context variety.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
13 min read
Gemini 3.6 Flash vs GPT-5.6 Sol vs Kimi K3
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Gemini 3.6 Flash vs GPT-5.6 Sol vs Kimi K3

My July 2026 routing order is Gemini 3.6 Flash first, GPT-5.6 Sol second, Kimi K3 third — unless cost, coding quality, or long context changes the job.

Uygar DuzgunU
Uygar DuzgunJul 26, 2026
12 min read
Best Free AI APIs in 2026: What Still Works
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Best Free AI APIs in 2026: What Still Works

The best free AI API in July 2026 depends on access, not model hype. Here’s what still works and what doesn’t.

Uygar DuzgunU
Uygar DuzgunJul 25, 2026
10 min read
NVIDIA NIM Free Models List 2026: The Best APIs for Coding and Agents
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NVIDIA NIM Free Models List 2026: The Best APIs for Coding and Agents

A practical July 2026 guide to the best free NVIDIA NIM models for coding, agents, multimodal work, and cheap API testing.

Uygar DuzgunU
Uygar DuzgunJul 25, 2026
11 min read
Qwen Code vs Kimi Code: The Free AI Coding Agent Wave Is Here
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Qwen Code vs Kimi Code: The Free AI Coding Agent Wave Is Here

Qwen Code and Kimi Code turned July 2026 into an agent-tools month, not just a model month. Here is where each tool wins, where OmniRoute and OfficeCLI fit, and why I still keep premium models in reserve.

Uygar DuzgunU
Uygar DuzgunJul 25, 2026
10 min read
What I Built This Week: Perfex CRM Modules and Admin UX
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What I Built This Week: Perfex CRM Modules and Admin UX

A practical look at the the Perfex CRM admin layer work I shipped this week: Email History, AI Filters, mobile admin UX, lead next steps, and release gates for Perfex CRM.

Uygar DuzgunU
Uygar DuzgunJul 24, 2026
8 min read
GLM and Kimi vs Claude and GPT: Why Open Models Feel Constrained
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GLM and Kimi vs Claude and GPT: Why Open Models Feel Constrained

My testing says GLM and Kimi follow known patterns while Claude and GPT explore. The benchmarks that measure this gap — and where it flips.

Uygar DuzgunU
Uygar DuzgunJul 20, 2026
8 min read