Insights & Essays.
Field notes for CTOs and principal engineers: what shipped, what failed, and how to staff the next AI program. Depth first — no vendor recap.
Latest Articles
The Builder-PM Archetype: When Product Managers Ship Code in 2026
Discover the rise of the Builder-PM. Learn how modern product managers use Cursor and Claude Code to replace 50-page PRDs with interactive pull requests.
Predictive Project Management: Re-Engineering PMOs with Real-Time Risk Analytics in 2026
Master predictive project management. Re-engineer PMOs with real-time risk analytics, Monte Carlo timeline modeling, and automated Git/Jira telemetry.
AI Coding Cost Optimization: Token Budgets and Tool Selection Across Cursor, Claude Code, Kiro, and Copilot in 2026
Master AI coding cost optimization. Learn token budgeting, context hygiene, multi-model routing, and tool selection across Cursor, Claude Code, Kiro, and Copilot.
Google A2A Protocol: Building Vendor-Agnostic Multi-Agent Networks Beyond MCP in 2026
Master Google's Agent-to-Agent (A2A) protocol. Connect LangGraph, CrewAI, AutoGen, and Vertex AI across enterprise boundaries with verifiable credentials.
LLM Interpretability for Production Engineers: Debugging AI Behavior Beyond Logs in 2026
Master LLM interpretability in production. Learn Sparse Autoencoders (SAEs), OpenTelemetry GenAI traces, Langfuse, LangSmith, W&B, and silent failure detection.
Vertical AI Agents: Domain-Specific Architecture for Healthcare, Legal, and Finance Autonomy in 2026
Vertical AI agents achieve 87%+ task completion vs 55% for general agents. Learn domain-specific architecture for HIPAA-aligned healthcare, privilege-aware legal, and SOX-compliant finance agents.
LLM Fine-Tuning Renaissance 2026: LoRA, QLoRA, and GRPO for Domain-Specific Production Agents
Master LLM fine-tuning in 2026. Learn LoRA vs QLoRA vs full fine-tuning, GRPO for reasoning agents, domain-specific SFT, and the Axolotl/Unsloth/TRL/Modal/Predibase toolchain.
Post-Training Engineering: RLHF, DPO, and Constitutional AI for Enterprise Model Alignment in 2026
Master post-training engineering for enterprise LLMs. Learn RLHF, DPO, GRPO, Constitutional AI, reward modeling, and Unsloth/TRL alignment pipelines.
Cursor Plan Mode + BugBot: The Developer Duo Eliminating Regressions Before Code Merges
Master Cursor Plan Mode (Shift+Tab) and BugBot PR Review. Build a before-and-after AI regression prevention pipeline that catches flaws before code merges.
Questions
What is this blog for?
Long-form notes on agentic AI, production LLM architecture, cloud engineering, and technical leadership, authored by Vatsal Shah. Each article has its own title, date, and canonical URL.
Are articles free to read?
Yes. Posts on shahvatsal.com/blog are free, with no paywall. Related case studies, playbooks, and frameworks sit in their own hubs.
How do hiring or consulting readers use this hub?
Hiring: read the article then /resume or /contact?focus=hiring. Consulting or software delivery: /contact or /contact?focus=software-application. Magento claims are not marketed here.
External Standards & Publications
Our engineering publications follow industry standards for software architecture and agentic AI systems. Read more about technical specifications at the IEEE Standards Association and general web engineering principles at the World Wide Web Consortium (W3C).