GenAI & Data Engineering Leader. Articles about data engineering, GenAI, distributed systems, and software architecture.https://kondasamy.com/en-ushttps://kondasamy.com/blog/2026/adversarial-agents-anthropic-generator-evaluator/https://kondasamy.com/blog/2026/adversarial-agents-anthropic-generator-evaluator/Anthropic's internal harness for multi-hour agent runs borrows from GANs: a generator that builds, an evaluator that actually uses the app, and a contract they negotiate before any code is written.Tue, 09 Jun 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/generative-ui-missing-layer-agent-apps/https://kondasamy.com/blog/2026/generative-ui-missing-layer-agent-apps/We got reasoning, planning, and tool-calling. But nobody shipped the interface layer. That's why most agent apps still look like 2023 ChatGPT wrappers.Fri, 05 Jun 2026 00:00:00 GMThttps://kondasamy.com/til/2026/iterm2-scrollback-lines/https://kondasamy.com/til/2026/iterm2-scrollback-lines/The one setting I look up every time I set up a new Mac.Wed, 03 Jun 2026 00:00:00 GMThttps://kondasamy.com/til/2026/ccstatusline-claude-code-status-bar/https://kondasamy.com/til/2026/ccstatusline-claude-code-status-bar/A fully-featured TUI-configurable status line for Claude Code that makes my hand-rolled bash script look like a cave painting.Tue, 02 Jun 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/microvms-agent-sandboxing-regulated-environments/https://kondasamy.com/blog/2026/microvms-agent-sandboxing-regulated-environments/When your AI agent processes Patient A's records, can you guarantee it physically cannot touch Patient B's data? Containers can't. MicroVMs can.Sat, 30 May 2026 00:00:00 GMThttps://kondasamy.com/til/2026/understand-anything-codebase-knowledge-graph/https://kondasamy.com/til/2026/understand-anything-codebase-knowledge-graph/A Claude Code plugin that turns any codebase into an interactive knowledge graph you can explore, search, and ask questions about.Sun, 24 May 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/ai-native-patterns-software-3/https://kondasamy.com/blog/2026/ai-native-patterns-software-3/Most teams bolt LLMs onto existing architectures. AI-native teams delete the architecture entirely. Here are 10 patterns that show the difference.Fri, 22 May 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/claude-code-large-codebases-personal-playbook/https://kondasamy.com/blog/2026/claude-code-large-codebases-personal-playbook/Anthropic just published their enterprise playbook for Claude Code at scale. After deploying it across greenfield projects and legacy monoliths for over a year, here's what I'd add.Sun, 17 May 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/unreasonable-effectiveness-of-html/https://kondasamy.com/blog/2026/unreasonable-effectiveness-of-html/I needed a presentation. Every PPTX skill failed. Then I asked Claude Code to make an HTML file with a DESIGN.md, and had exactly what I wanted in minutes.Sat, 16 May 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/harness-engineering-reliable-ai-agents/https://kondasamy.com/blog/2026/harness-engineering-reliable-ai-agents/After months of AI agent failures across coding, customer support, and research workflows, I discovered the problem was never the model. An open-source course on harness engineering explained every failure mode.Sat, 09 May 2026 00:00:00 GMThttps://kondasamy.com/til/2026/macos-preview-pdf-editing/https://kondasamy.com/til/2026/macos-preview-pdf-editing/I spent years uploading PDFs to random websites for basic edits. Preview has been doing it all along.Wed, 29 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/design-md-consistent-ai-ui/https://kondasamy.com/blog/2026/design-md-consistent-ai-ui/AI agents can write React components on demand. What they can't do is remember what your product looks like. DESIGN.md fixes that with a single Markdown file your agent reads before it writes code.Fri, 24 Apr 2026 00:00:00 GMThttps://kondasamy.com/til/2026/mole-mac-storage-cleaner/https://kondasamy.com/til/2026/mole-mac-storage-cleaner/A single open-source binary that replaced CleanMyMac, AppCleaner, and DaisyDisk on my machine.Tue, 21 Apr 2026 00:00:00 GMThttps://kondasamy.com/til/2026/alphaxiv-paper-lookup-claude-code/https://kondasamy.com/til/2026/alphaxiv-paper-lookup-claude-code/Stop uploading raw PDFs to Claude. AlphaXiv serves pre-built markdown summaries of any arXiv paper for free.Mon, 20 Apr 2026 00:00:00 GMThttps://kondasamy.com/til/2026/portless-localhost-named-urls/https://kondasamy.com/til/2026/portless-localhost-named-urls/How Portless replaces fragile localhost:3000 ports with stable .localhost URLs that both humans and AI agents can rely on.Thu, 16 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/claude-code-source-leak-agent-builders/https://kondasamy.com/blog/2026/claude-code-source-leak-agent-builders/The biggest AI coding tool had its internals exposed. The surprise? No magic. Just 12 composable patterns that any developer can replicate.Wed, 15 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/15-patterns-production-ai-agents/https://kondasamy.com/blog/2026/15-patterns-production-ai-agents/Your agent demos work great. Then production happens. Here are the 15 resilience, containment, and observability patterns that separate toy agents from systems you can actually trust.Mon, 13 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/ai-avatar-platforms-compared/https://kondasamy.com/blog/2026/ai-avatar-platforms-compared/I tested four real-time AI avatar platforms for conversational agents. One renders micro-expressions at sub-1s latency. Another costs $0.009/min but looks like a Snapchat filter. Here's what matters when the avatar is the product.Fri, 10 Apr 2026 00:00:00 GMThttps://kondasamy.com/til/2026/install-docker-ubuntu-hetzner/https://kondasamy.com/til/2026/install-docker-ubuntu-hetzner/The complete Docker installation script I run every time I provision a fresh Hetzner server.Fri, 10 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/ai-design-copilots-compared/https://kondasamy.com/blog/2026/ai-design-copilots-compared/Every AI-generated UI looks the same. Purple gradients, Inter font, cards inside cards. Here's how Impeccable, Anthropic's frontend-design skill, Figma AI plugins, and prompt-to-app builders each try to fix that problem.Thu, 09 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/compound-engineering-speed/https://kondasamy.com/blog/2026/compound-engineering-speed/After a week with GSD, I switched to the Compound Engineering plugin. The difference isn't features. It's that your system gets faster, not just your chat.Tue, 07 Apr 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/gsd-vs-speckit-bmad-compound-engineering/https://kondasamy.com/blog/2026/gsd-vs-speckit-bmad-compound-engineering/Four frameworks all claim to fix vibe coding. They solve fundamentally different problems. Here's what each actually does and when to reach for which.Mon, 30 Mar 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/pros-dont-vibe-they-control/https://kondasamy.com/blog/2026/pros-dont-vibe-they-control/A UC San Diego study of 112 professional developers found the opposite of what Twitter preaches: experienced developers don't vibe code. They plan, prompt with surgical precision, and verify every line.Tue, 24 Mar 2026 00:00:00 GMThttps://kondasamy.com/til/2026/sips-macos-image-processing/https://kondasamy.com/til/2026/sips-macos-image-processing/The built-in macOS command that replaced my Preview/Photoshop habit for resizing, converting, and batch-processing images.Mon, 23 Mar 2026 00:00:00 GMThttps://kondasamy.com/til/2026/claude-code-tabs-vs-spaces-edit-failures/https://kondasamy.com/til/2026/claude-code-tabs-vs-spaces-edit-failures/Why Claude Code's Edit tool keeps failing on tab-indented codebases, and how to fix it.Mon, 16 Mar 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/grep-is-not-bm25/https://kondasamy.com/blog/2026/grep-is-not-bm25/I caught myself explaining BM25 as 'fancy grep' and realized that's fundamentally wrong. They solve different problems at different points on the search spectrum.Fri, 13 Mar 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/dense-vs-sparse-retrieval/https://kondasamy.com/blog/2026/dense-vs-sparse-retrieval/Everyone switched to vector search because embeddings feel like magic. But BM25 still wins on exact matches, rare entities, and domains where you can't afford to miss. Here's the real comparison.Thu, 12 Mar 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/how-claude-code-works/https://kondasamy.com/blog/2026/how-claude-code-works/Most developers treat Claude Code like a chatbot with file access. It's not. It's a closed-loop agent where all intelligence lives in the model and all side effects live in the client.Sun, 15 Feb 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/workflow-vs-agent-vs-multi-agent/https://kondasamy.com/blog/2026/workflow-vs-agent-vs-multi-agent/Most 'agents' in production are workflows. Here's how to pick the right architecture without over-engineering or under-delivering.Tue, 03 Feb 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/what-is-an-ai-agent/https://kondasamy.com/blog/2026/what-is-an-ai-agent/Everyone's building AI agents, but nobody agrees on what one actually is. Here's what the pioneers, practitioners, and skeptics really mean when they say 'agent'.Thu, 29 Jan 2026 00:00:00 GMThttps://kondasamy.com/til/2026/intercom-s3-backup-empty-files/https://kondasamy.com/til/2026/intercom-s3-backup-empty-files/How I deleted 17,164 zero-byte files from S3 before discovering Intercom has a setting to prevent thisTue, 27 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/rag-for-dummies/https://kondasamy.com/blog/2026/rag-for-dummies/Everyone talks about RAG like it's magic. It's not. It's plumbing. Here's the practical guide to embeddings, vector databases, and retrieval that actually works in production.Mon, 19 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/uv-python-package-manager/https://kondasamy.com/blog/2026/uv-python-package-manager/After years of juggling pip, venv, pyenv, and pipx, UV consolidates everything into one tool that's 10-100x faster. Here's the complete cheat sheet.Sun, 18 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/modern-developer-tools-2026/https://kondasamy.com/blog/2026/modern-developer-tools-2026/The tools I use daily are 10-100x faster than what I used two years ago. Here's what changed and why.Fri, 16 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/claude-code-context-fundamentals/https://kondasamy.com/blog/2026/claude-code-context-fundamentals/Everyone's chasing flashy demos while missing the fundamentals. Here's what actually matters: treating your docs like infrastructure, making them machine-readable, and thinking out loud instead of typing compressed garbageThu, 15 Jan 2026 00:00:00 GMThttps://kondasamy.com/til/2026/claude-code-custom-statusline/https://kondasamy.com/til/2026/claude-code-custom-statusline/How to build a single-line status bar that shows git context on the left and session metrics on the right.Tue, 13 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/postgres-explain-analyze-speed/https://kondasamy.com/blog/2026/postgres-explain-analyze-speed/Your team wants Redis. Your database needs indices. We got 97% faster with EXPLAIN ANALYZE instead of architectural rewrites.Sun, 11 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/modern-terminal-setup/https://kondasamy.com/blog/2026/modern-terminal-setup/After years of using default terminal tools, I rebuilt my workflow with modern alternatives. The result? 100x faster file searches, 80% fewer keystrokes, and workflows that don't require a mouse. Here's what actually matters.Mon, 05 Jan 2026 00:00:00 GMThttps://kondasamy.com/blog/2026/claude-code-interview-mode/https://kondasamy.com/blog/2026/claude-code-interview-mode/I discovered a game-changing approach to building features with Claude Code: interview first, spec second, code last. Here's how slowing down actually speeds things up.Fri, 02 Jan 2026 00:00:00 GMThttps://kondasamy.com/til/2025/git-worktree-ai-coding-agents/https://kondasamy.com/til/2025/git-worktree-ai-coding-agents/How git worktree enables parallel AI agent workflows - run multiple Claude Code or Cursor sessions simultaneously without context switching overhead.Wed, 31 Dec 2025 00:00:00 GMThttps://kondasamy.com/til/2025/git-worktree-ux-tools/https://kondasamy.com/til/2025/git-worktree-ux-tools/Three tools that fix git worktree UX so coding agents can run in parallel without setup pain.Wed, 31 Dec 2025 00:00:00 GMThttps://kondasamy.com/blog/2025/claude-code-tips-tricks/https://kondasamy.com/blog/2025/claude-code-tips-tricks/After 1.5 years with Cursor, Claude Code pulled me into its ecosystem. Here are the underrated features, keyboard shortcuts, and workflow patterns that made the difference.Tue, 30 Dec 2025 00:00:00 GMThttps://kondasamy.com/blog/2025/agentic-design-patterns/https://kondasamy.com/blog/2025/agentic-design-patterns/The most powerful AI isn't a single genius brain-it's teams of specialists arguing, reviewing their own work, and signing contracts. Here's how modern agentic systems actually work.Mon, 29 Dec 2025 00:00:00 GMThttps://kondasamy.com/til/2025/pnpm-outdated-upgrade-dependencies/https://kondasamy.com/til/2025/pnpm-outdated-upgrade-dependencies/Learn how to identify and safely upgrade outdated packages using pnpm's built-in commandsWed, 24 Dec 2025 00:00:00 GMThttps://kondasamy.com/blog/2025/blog-debugging-langfuse-500/https://kondasamy.com/blog/2025/blog-debugging-langfuse-500/Lessons learned from debugging K8s CrashLoopBackOff of self-hosted LangfuseTue, 23 Dec 2025 00:00:00 GMThttps://kondasamy.com/til/2025/setup-multiple-ssh-keys-macbook/https://kondasamy.com/til/2025/setup-multiple-ssh-keys-macbook/Manage multiple GitHub accounts with different SSH keys on macOS - seamless switching without conflicts.Mon, 15 Dec 2025 00:00:00 GMThttps://kondasamy.com/blog/2025/saas-boilerplate-nextjs/https://kondasamy.com/blog/2025/saas-boilerplate-nextjs/I was browsing the internet, looking at SaaS boilerplates. You know, those starter templates that promise to save you months of work.Fri, 12 Dec 2025 00:00:00 GMThttps://kondasamy.com/til/2025/apache-iceberg-time-travel/https://kondasamy.com/til/2025/apache-iceberg-time-travel/Query historical data by timestamp or snapshot ID using Iceberg's time travel syntax - a game-changer for debugging data pipelines.Tue, 09 Dec 2025 00:00:00 GMThttps://kondasamy.com/til/2025/rust-ownership-basics/https://kondasamy.com/til/2025/rust-ownership-basics/The three ownership rules and mental model that finally made Rust's borrow checker click.Tue, 09 Dec 2025 00:00:00 GMT