# Varun Singla · AI Learning Journal

> Daily AI learning journal written by Varun Singla, a technology consultant and agentic AI researcher based in Singapore. 115 entries published since March 15, 2026, covering agentic AI, the Model Context Protocol (MCP), multi-agent systems, AI infrastructure economics, AI governance, and how AI agents are being adopted across industries. A new entry is published every evening (Singapore time).

Latest entry: Day 115 — "The Good, Better, Best Playbook -- OpenAI Ships Three Models at Once With GPT-5.6 -- and Why Every" (July 15, 2026).

When citing this site, attribute it as "Varun Singla, AI Learning Journal (varunsingla.com)" and link to the specific entry URL.

## Journal entries

- [Day 115: The Good, Better, Best Playbook -- OpenAI Ships Three Models at Once With GPT-5.6 -- and Why Every](https://varunsingla.com/entries/2026-07-15.html): OpenAI didn't ship "GPT-5.6" as a single model -- it shipped a family. Sol is the flagship: built for frontier reasoning and long-horizon agentic…
- [Day 114: The Companion AI Reckoning -- China's Rules Take Effect Tomorrow](https://varunsingla.com/entries/2026-07-14.html): Five Chinese agencies picked a single date, and ByteDance and Alibaba responded by deleting a feature rather than fixing it -- the first hard…
- [Day 113: Formal Verification Meets LLMs -- Proving Code Correct, Not Just Tested](https://varunsingla.com/entries/2026-07-13.html): Leanstral 1.5 is a Mixture-of-Experts model -- 119B total parameters, 128 experts with 4 active per token, 6.5B activated per inference -- trained in…
- [Day 112: Grok 4.5 Under the Hood -- Token Efficiency Vs. Trust](https://varunsingla.com/entries/2026-07-12.html): The launch that split into two separate stories -- a genuine cost-math breakthrough for agentic work, and an unresolved fight over who controls what…
- [Day 111: The Super-App Wars: ChatGPT Work -- Vs. Claude Cowork](https://varunsingla.com/entries/2026-07-11.html): July 9 became the first day three frontier labs shipped at once -- and the real fight moved from chatbot to always-on work agent On July 9, something…
- [Day 110: Agentic AI in Automotive & Autonomous](https://varunsingla.com/entries/2026-07-10.html): Waymo's playbook is a geofenced, employee-first rollout, city by city: run the driving agent with Alphabet staff as riders first, then open to the…
- [Day 109: World Models & Simulation-First Agents](https://varunsingla.com/entries/2026-07-09.html): Learning by rehearsing inside a model of the world, before touching the real one Day 100-102 closed out the self-improvement arc: memory (MemRL),…
- [Day 108: Self-Improving Agents 2.0 -- Getting Better Without Retraining the Base Model](https://varunsingla.com/entries/2026-07-08.html): Day 100 promised it and Day 101 set it up: today is the technique for how an agent improves itself without ever touching model weights.
- [Day 107: Claude Science & the Lab-in-the-Loop](https://varunsingla.com/entries/2026-07-07.html): Claude Science (beta, June 30) ships the six-layer AI-for-science stack as a product: 60+ curated skills into UniProt, PDB, Ensembl and ChEMBL; a…
- [Day 106: 100 Days of Agentic AI -- The Milestone](https://varunsingla.com/entries/2026-07-06.html): protocols, memory, identity, evals, economics, twenty-two industry verticals and a frontier that reorganised itself along the way.
- [Day 105: The July 2026 Model Wave — Under the Hood](https://varunsingla.com/entries/2026-07-05.html): Day 99 marks a course-correction: after 22 industry verticals, this series returns to what it was built for — teaching new AI technology in depth.
- [Day 104: Agentic AI in Construction & the Built Environment](https://varunsingla.com/entries/2026-07-04.html): Construction is the last giant analogue industry -- roughly $13T of global output, productivity nearly flat for decades, and a project that still…
- [Day 103: Agentic AI in Logistics & Last-Mile Delivery](https://varunsingla.com/entries/2026-07-03.html): Logistics is the original multi-hop, multi-party relay — freight quote to doorstep crosses brokers, carriers, warehouses, customs, and couriers — and…
- [Day 102: Agentic AI in Agriculture & Food Systems](https://varunsingla.com/entries/2026-07-02.html): In 2026 the farm itself becomes the agentic loop — agents sense (satellite, drone, soil IoT), decide (agronomy, irrigation, input optimisation) and…
- [Day 101: Agentic AI in Travel & Hospitality](https://varunsingla.com/entries/2026-06-29.html): Travel is the original multi-step, multi-party transaction — and that is exactly what makes it a natural agentic vertical.
- [Day 100: Agentic AI in Real Estate & PropTech](https://varunsingla.com/entries/2026-06-28.html): Real estate is the original multi-party transaction — and that is exactly what makes it the next agentic vertical.
- [Day 99: Agentic AI in Insurance & Underwriting](https://varunsingla.com/entries/2026-06-27.html): Day 93 turns to the next high-value regulated vertical after telecom: insurance. Two agentic loops are running at two very different speeds.
- [Day 98: Agentic AI in Telecom & Networks](https://varunsingla.com/entries/2026-06-26.html): After five days down in the physical infrastructure — silicon, protocols, power, sovereignty, cooling — Day 92 lands on the vertical that is leading…
- [Day 97: Agentic AI in Healthcare — From Ambient Scribe to Clinical Reasoning](https://varunsingla.com/entries/2026-06-25.html): Day 90 looked at the model engines; Day 91 puts them to work in the highest-stakes vertical of all — healthcare.
- [Day 96: The Model Wars of June 2026 — Open Weights Catch the Frontier](https://varunsingla.com/entries/2026-06-24.html): The five-day infrastructure arc (Days 85–89) mapped the substrate agents run on — inference economics, interop protocols, power, sovereignty and…
- [Day 95: The Agentic AI Cooling & Water Wall](https://varunsingla.com/entries/2026-06-23.html): Day 87 found the binding constraint was the gigawatt; Day 88 found it was geopolitical access to chips and power.
- [Day 94: Sovereign AI & the Compute Map](https://varunsingla.com/entries/2026-06-22.html): Day 85 found the binding constraint was silicon; Day 87 found it was the gigawatt.
- [Day 93: The Agentic AI Data-Centre & Power Wall](https://varunsingla.com/entries/2026-06-21.html): Day 85 showed the token is nearly free; Day 86 showed the rails are commodity. So what's left to be scarce? Electrons.
- [Day 92: Agent Interop & the Protocol Stack 2.0](https://varunsingla.com/entries/2026-06-20.html): One year on from MCP, models compressed to a ~3% tie and tokens down ~1,000x — so what's the moat? The rails.
- [Day 91: The Inference Economics Stack](https://varunsingla.com/entries/2026-06-19.html): Day 83 was the DEMAND side of Agent FinOps -- your routing, caching and budget levers. Day 84 was the people who run the fleet.
- [Day 90: The Agent-Augmented Org Chart](https://varunsingla.com/entries/2026-06-18.html): Yesterday (Day 83) was the cost of running the fleet -- FinOps, tokens, the five levers.
- [Day 89: The Agentic AI Operating Model & Agent FinOps](https://varunsingla.com/entries/2026-06-17.html): Day 81 was the regulator's clock; Day 82 was the buyer's checklist. Today is what happens AFTER you sign -- you have to run, cost and scale the fleet…
- [Day 88: The Agentic AI Procurement Playbook](https://varunsingla.com/entries/2026-06-16.html): Yesterday's playbook was the regulator's clock. Today is the mirror image: the BUYER's side.
- [Day 87: The EU AI Act August 2 Enforcement Playbook](https://varunsingla.com/entries/2026-06-15.html): H2 opens with the regulatory event the whole series has been building toward.
- [Day 86: The Mid-Year Scorecard: H1 2026 in Agentic AI](https://varunsingla.com/entries/2026-06-14.html): Eighty days into this series, the calendar hits the half-year mark — a good moment to grade the field.
- [Day 85: Agentic AI in Media & Entertainment](https://varunsingla.com/entries/2026-06-13.html): Media is the vertical where the agent's output is the product.
- [Day 84: Agentic AI in Retail & E-commerce](https://varunsingla.com/entries/2026-06-12.html): Retail is the vertical where agentic AI meets the consumer directly — and where the shopping journey itself is being rebuilt around an agent that…
- [Day 83: Agentic AI in Energy & Climate](https://varunsingla.com/entries/2026-06-11.html): Energy is the vertical where agentic AI confronts its own footprint.
- [Day 82: Agentic AI in Scientific Research &](https://varunsingla.com/entries/2026-06-10.html): For a decade, AI in science meant a model that predicted something -- a protein fold, a material property, a reaction yield -- and a human did…
- [Day 81: Agentic AI in the Public Sector & GovTech](https://varunsingla.com/entries/2026-06-09.html): Government is the vertical with the widest gap between ambition and readiness.
- [Day 80: Agentic AI in Education & EdTech](https://varunsingla.com/entries/2026-06-08.html): Education is the vertical where the agent touches the most vulnerable user of all: a child.
- [Day 79: June 7, 2026 | Agentic AI Era Intensifies](https://varunsingla.com/entries/2026-06-07.html): When Opus 4.8 » GPT-5.5 within noise, value shifts to: (a) Memory freshness via streaming materialized views (Write-Aside Day 44 + RisingWave MVs =…
- [Day 78: Agentic AI in the Public Sector & GovTech](https://varunsingla.com/entries/2026-06-06.html): Government is the vertical with the widest gap between ambition and readiness.
- [Day 77: Agentic AI in Legal & Contracts](https://varunsingla.com/entries/2026-06-05.html): The legal lifecycle -- Intake fi Draft fi Review fi Redline fi Negotiate fi Diligence fi Sign fi Obligate -- was, for most of legal-AI's history, a…
- [Day 76: Agentic AI in HR & People Operations](https://varunsingla.com/entries/2026-06-04.html): HR is the vertical where agentic AI moves fastest and where the law watches most closely.
- [Day 75: Agentic AI in Finance & FP&A](https://varunsingla.com/entries/2026-06-03.html): The monthly close was built around analysts who manually pull data from source systems, tie out balances, chase exceptions, post journal entries, and…
- [Day 74: Agentic AI in Customer Success & Retention](https://varunsingla.com/entries/2026-06-02.html): The traditional customer-success cycle -- onboard → adopt → monitor → renew → expand -- was built around a human CSM who could realistically watch a…
- [Day 73: Agentic AI in Sales & Revenue Operations](https://varunsingla.com/entries/2026-05-31.html): Sales is the function with the cleanest feedback loop in the enterprise -- every action has a price and a close date -- so it is becoming the proving…
- [Day 72: Agentic AI in Marketing & Customer](https://varunsingla.com/entries/2026-05-30.html): The marketing funnel is being rewritten into a continuous agent loop.
- [Day 71: The Agentic AI Supply Chain](https://varunsingla.com/entries/2026-05-29.html): On May 28 Anthropic closed a $65B round at a $965B post-money valuation, pushing it within a hair of OpenAI's reported $1T target ahead of its S-1…
- [Day 70: Agentic AI in Manufacturing & Industrial](https://varunsingla.com/entries/2026-05-28.html): Deloitte's 2026 Tech Predictions forecast agentic AI adoption in manufacturing will quadruple from 6% to 24% by year-end -- the steepest sectoral…
- [Day 69: Agentic AI in Healthcare & Life Sciences](https://varunsingla.com/entries/2026-05-27.html): Day 35 (Apr 27) framed healthcare as the highest-stakes agentic domain. One month later three things have changed materially.
- [Day 68: Agentic AI in Financial Services](https://varunsingla.com/entries/2026-05-26.html): Anthropic's 10 finance agents go to Wall Street, FIS automates AML, and a regulatory wall lands in Q3 2026.
- [Day 67: The Agentic AI Valuation Framework](https://varunsingla.com/entries/2026-05-25.html): How to value an agentic AI company when the model is no longer the moat -- DCF, comps, and the new rules driving Anthropic toward a $950B raise.
- [Day 66: Head-to-head economics, take rates, and discovery across the five major channels where agent](https://varunsingla.com/entries/2026-05-24.html): Each marketplace makes a different bet about who pays, how discovery works, and where the trust boundary sits.
- [Day 65: SKILL.md Walkthrough -- Build, Test &](https://varunsingla.com/entries/2026-05-23.html): Day 60 made the case that SKILL.md is the new app-store unit. Today is the hands-on follow-up: pick a narrow workflow, ship one folder, distribute to…
- [Day 64: Agent Skills as the New App Store](https://varunsingla.com/entries/2026-05-22.html): A skill is a folder. At its root sits a SKILL.md file with YAML frontmatter (name, description, allowed-tools, model preferences) and Markdown body…
- [Day 63: Day 59 · The Agentic Enterprise Buyer's](https://varunsingla.com/entries/2026-05-21.html): Microsoft Agent 365 (GA May 1, $15/user standalone or $99/user inside M365 E7) is the enterprise control plane -- centralised agent registry inside…
- [Day 62: Day 58 · The Hyperscaler Counter-Move --](https://varunsingla.com/entries/2026-05-20.html): Anthropic moved first and moved layered. In the run-up to I/O, Claude Code shipped Auto Mode, Routines, Agent View, Hooks, Plugins, /ultrareview,…
- [Day 61: Day 57 · Google I/O 2026 -- Gemini Spark & the](https://varunsingla.com/entries/2026-05-19.html): Gemini Spark -- the everyday agentic assistant inside the Gemini app, launching in Beta on Pixel and Samsung this summer.
- [Day 60: Agent Skills & the Skills Economy](https://varunsingla.com/entries/2026-05-18.html): Day 55 nailed down the data plane for agents (streaming MVs, MCP, vectors-in-SQL). Today we tackle the behaviour plane.
- [Day 59: Agent-Native Data Infrastructure](https://varunsingla.com/entries/2026-05-17.html): For thirty years databases optimised for two consumers: humans writing SQL in a console, and applications running parameterised queries.
- [Day 58: Agent Identity 3.0 -- SPIFFE Hits Prod, KYA](https://varunsingla.com/entries/2026-05-16.html): Every other layer of the agentic stack -- orchestration (LangGraph, MS Agent Framework), memory (MemOS, pgvector + Cassandra), observability…
- [Day 57: The Workspace Becomes the Control Plane](https://varunsingla.com/entries/2026-05-15.html): Until this week, three control planes were competing to host enterprise agents: the IDE (Cursor, Claude Code, Kiro), the OS (Microsoft Agent 365,…
- [Day 56: From SPIFFE workload identity to Know Your Agent (KYA), the IETF AIMS framework, and the Five](https://varunsingla.com/entries/2026-05-14.html): An agent that can take actions on your behalf needs three things every human contractor needs: a verifiable identity, a scoped permission set, and an…
- [Day 55: Agentic Browser Wars 2.0](https://varunsingla.com/entries/2026-05-13.html): Cursor + Claude Code already account for 95.6% of all developer AI agent traffic (Mintlify, Mar 26).
- [Day 54: The Agentic Eval Stack 3.0](https://varunsingla.com/entries/2026-05-12.html): Until April 2026, golden datasets were curated by humans every few weeks. That cadence was the bottleneck -- production was discovering new failure…
- [Day 53: Agent Reliability Engineering](https://varunsingla.com/entries/2026-05-11.html): Frontier models all pass OSWorld-V-75% and SWE-Bench-87%. The bottleneck has moved.
- [Day 52: just shipped AG-UI compatibility, Cursor 3 is rebuilding around an Agents Window, IBM Bob ships with a](https://varunsingla.com/entries/2026-05-10.html): For 18 months the bottleneck was the model -- could it reason, could it tool-call, could it stay coherent across 8+ steps.
- [Day 51: Day 47 -- The Enterprise AI Operating Model](https://varunsingla.com/entries/2026-05-09.html): Up until April 2026, enterprise agents were point solutions -- Salesforce Agentforce, ServiceNow Autonomous Workforce, JP Morgan COiN.
- [Day 50: Anthropic Finance Agents -- Wall Street's](https://varunsingla.com/entries/2026-05-08.html): The reason these will land at JP Morgan is the M365 add-in carrying state across Excel/PowerPoint/Word, not the Opus 4.7 weights.
- [Day 49: Beyond LLM-as-Judge: Trajectory Evals, Continuous Production Monitoring & The New](https://varunsingla.com/entries/2026-05-07.html): Originally launched October 2025, the Superpowers framework has now hit 121,000 GitHub stars and is sitting at #2 on GitHub Trending as of May 2026…
- [Day 48: Agent Memory at Scale 3.0](https://varunsingla.com/entries/2026-05-06.html): MemRL is the most consequential idea in agent design from the last 90 days. Instead of fine-tuning the base model -- expensive, slow, version-locks…
- [Day 47: Multi-Model Routing & Cost-Optimal Agent](https://varunsingla.com/entries/2026-05-05.html): Yesterday we covered how to debug multi-agent systems in production.
- [Day 46: Multi-Agent Debugging in Production](https://varunsingla.com/entries/2026-05-04.html): Traditional APM was built for deterministic services: a 500 means a 500. Agents fail in multi-turn, multi-tool sequences where the dashboard stays…
- [Day 45: The Agentic AI Voice Stack](https://varunsingla.com/entries/2026-05-03.html): Voice has quietly become the highest-stakes surface in the agentic AI stack. Not because it's new -- but because in 2026 the latency, naturalness,…
- [Day 44: DAY 40 | AGENTIC AI LEARNING SERIES varunsingla.com](https://varunsingla.com/entries/2026-05-02.html): Cloud agents have four taxes: latency (round-trip even on 5G is 80-250ms before the model thinks), cost (frontier inference at scale), privacy (every…
- [Day 43: The New Competitive Moat for Agentic AI](https://varunsingla.com/entries/2026-05-01.html): As AI agents become production reality, prompt engineering alone is no longer enough.
- [Day 42: AI Agents & The New Developer Stack — How Coding Is Being Reinvented](https://varunsingla.com/entries/2026-04-30.html): After 37 days of learning how agentic AI works, today we zoom in on what it means for software developers.
- [Day 41: Which roles are exploding in demand -- and how to position](https://varunsingla.com/entries/2026-04-29.html): Domain expertise + AI fluency > pure AI skills. A finance expert who can deploy LangGraph agents for regulatory reporting is worth more than a…
- [Day 40: The Agent Economy Meets Climate &](https://varunsingla.com/entries/2026-04-28.html): unprecedented rate. Training Grok 4 alone emitted ~72,000 tons of COn, equivalent to driving 17,000 cars for a year.
- [Day 39: Agentic AI is crossing from tech labs into hospital wards, pharma pipelines, and clinical](https://varunsingla.com/entries/2026-04-27.html): From AI agents that cut prior authorisation from 45 minutes to under a minute, to the first fully AI-designed drug now in Phase IIa trials, to…
- [Day 38: Day 35 -- Clinical Workflow Agents, Frontier Models & Health AI Governance](https://varunsingla.com/entries/2026-04-26.html): Healthcare is entering its most consequential AI moment. Agentic AI systems are no longer just assistants -- they are autonomous participants in…
- [Day 37: The Multimodal Agent Layer](https://varunsingla.com/entries/2026-04-25.html): Open-sourced April 12, 2026 by MiniMax (post Hong Kong IPO, MIT licence on the CLI), MMX-CLI is the first MCP-free shell harness that lets Cursor,…
- [Day 36: If the last 32 days taught us how agents think, plan, pay, and protect themselves, today we answer a](https://varunsingla.com/entries/2026-04-24.html): Through Days 1-32 of this series we covered the 5-layer agentic stack: LLM Brain fi Tool Belt fi Memory fi Orchestrator fi Guardrails.
- [Day 35: Agent-Augmented Software Engineering](https://varunsingla.com/entries/2026-04-23.html): Software engineering is undergoing its most profound transformation since the invention of the IDE.
- [Day 34: How CFOs, CIOs & Legal Teams Think About Autonomous AI](https://varunsingla.com/entries/2026-04-22.html): Perplexity Comet -- The AI-Native Browser That Went #3 on the App Store Perplexity's Comet browser launched publicly on iOS in March 2026 and hit #3…
- [Day 33: The Open-Source Agent](https://varunsingla.com/entries/2026-04-21.html): Hermes Agent (self-improving, multi-platform) + MemOS (persistent memory) + OpenHands (coding tasks) covers 80% of agentic use cases.
- [Day 32: The Future of Work in an Agentic](https://varunsingla.com/entries/2026-04-20.html): List the top 10 tasks you do weekly. Which are pattern-matching (automatable)? Which require judgment/empathy/creativity?
- [Day 31: Day 28 -- The Agent Economy in Practice](https://varunsingla.com/entries/2026-04-19.html): Set a price per tool call (e.g. $0.001 for search, $0.005 for generate). Start 10× lower than you think -- agent
- [Day 30: The Physical AI Wave: Humanoid Robots & VLA Models](https://varunsingla.com/entries/2026-04-17.html): For 26 days we studied how LLMs became agents. Today we arrive at the most dramatic frontier: agents that leave the cloud and enter the physical…
- [Day 29: Day 26 -- The Frontier Race](https://varunsingla.com/entries/2026-04-16.html)
- [Day 28: Agentic AI in the Real World: Production Case Studies 2026](https://varunsingla.com/entries/2026-04-15.html): After 24 days covering agentic AI theory, frameworks, safety, and infrastructure — today we ground it all in reality.
- [Day 27: Today we go deep on one of the most critical production challenges: what happens when](https://varunsingla.com/entries/2026-04-14.html): PixVerse has taken over social media in April 2026 with its AI video effects that let anyone create cinematic, shareable videos in seconds.
- [Day 26: Building Your First Production Agent](https://varunsingla.com/entries/2026-04-13.html): Use the 6-step pattern: StateDict → node functions → conditional edges fi PostgresCheckpointer fi MCP tool wiring → compile.
- [Day 25: Agent Observability at Scale](https://varunsingla.com/entries/2026-04-12.html): Traditional Application Performance Monitoring (APM) tracks deterministic systems: HTTP latency, database query time, error rates.
- [Day 24: Advanced Agent Testing & Red Teaming](https://varunsingla.com/entries/2026-04-11.html): Day 21 of your Agentic AI learning journey dives into the red team. As agents proliferate in production — handling payments, browsing the web,…
- [Day 23: Agent Security & Identity in the Economy 2.0](https://varunsingla.com/entries/2026-04-10.html): Today we complete the Agent Economy 2.0 arc by answering the key question every security and engineering team must answer in 2026: how do you give an…
- [Day 22: The Agent Economy 2.0](https://varunsingla.com/entries/2026-04-09.html): MPP + SPTs + MoonPay Wallets + Visa/Mastercard rails = the full payment stack for agents is now live in production.
- [Day 21: Multi-Agent Communication](https://varunsingla.com/entries/2026-04-08.html): AWS Bedrock, AG2, CopilotKit, Microsoft, Oracle are all in production with AG-UI.
- [Day 20: DAY 16 · APRIL 6, 2026](https://varunsingla.com/entries/2026-04-06.html): Attie is an AI assistant built by the Bluesky team that lets any user design their own social feed algorithm using plain natural language -- no code…
- [Day 19: Agent Orchestration Frameworks Deep Dive 2026](https://varunsingla.com/entries/2026-04-05.html): Day 15: Real benchmark numbers — no marketing fluff. LangGraph vs CrewAI vs OpenAI Agents SDK vs Google ADK vs Rust challengers.
- [Day 18: Production-Grade Agent Memory Systems](https://varunsingla.com/entries/2026-04-04.html): Day 14 deep dive: how to wire Mem0, pgvector, and Redis into a production-grade memory stack — with GDPR-safe deletion, namespace isolation, and…
- [Day 17: DAY 14 • AGENTIC AI SERIES • APRIL 3, 2026](https://varunsingla.com/entries/2026-04-03.html): The EU AI Act is the world's first comprehensive AI regulation. Its most critical enforcement milestone -- covering high-risk AI systems -- takes…
- [Day 16: April 2, 2026 | Day 12](https://varunsingla.com/entries/2026-04-02.html): According to LangChain's 2026 State of AI Agents report, 57% of organisations now have agents in production, yet quality is cited as the #1 barrier…
- [Day 15: Enterprise Agentic AI -- CoE Strategy, Shadow IT & ROI](https://varunsingla.com/entries/2026-04-01.html): shadow IT risks, and TCO/ROI measurement for AI agents. This is where AI theory meets board-level
- [Day 14: Advanced Agent Patterns: Agentic RAG, Tool Optimisation, Multi-Modal Agents &](https://varunsingla.com/entries/2026-03-30.html): MCP SDK Downloads MCP Servers MCP Growth (16mo) GitLab Duo Users
- [Day 13: Building Your First AI Agent](https://varunsingla.com/entries/2026-03-29.html): Building Your First AI Agent: Step-by-Step You've learned the theory -- orchestration patterns, memory architecture, safety, payments.
- [Day 12: AGENTIC AI IN PRODUCTION + THE AGENT ECONOMY](https://varunsingla.com/entries/2026-03-28.html): After years of pilots, enterprise agentic AI has crossed the production threshold.
- [Day 11: AGENTIC AI SAFETY & GOVERNANCE](https://varunsingla.com/entries/2026-03-27.html): Traditional AI safety focused on model outputs -- offensive text, biased answers, hallucinations.
- [Day 10: Production Multi-Agent](https://varunsingla.com/entries/2026-03-25.html)
- [Day 9: Agent-to-Agent (A2A) Protocol Deep Dive](https://varunsingla.com/entries/2026-03-23.html): The Agent2Agent (A2A) Protocol is an open standard created by Google in April 2025 and now governed by the Linux Foundation.
- [Day 8: Deep Dive: Model Context Protocol (MCP)](https://varunsingla.com/entries/2026-03-22.html): Today we take a deep dive into the Model Context Protocol (MCP) -- the open standard that's becoming the universal USB-C for AI connectivity.
- [Day 7: Major Agentic AI OpenClaw GitHub Enterprise Apps with Codex Weekly](https://varunsingla.com/entries/2026-03-21.html): This edition covers the 7 breakthroughs reshaping the landscape, viral tools you should know, and what it all means for your AI journey.
- [Day 6: Your 5-Minute AI Brief -- Powered by Real-Time Research](https://varunsingla.com/entries/2026-03-20.html): Agentic AI refers to artificial intelligence systems that can perceive their environment, plan multi-step actions, use tools, and autonomously…
- [Day 5: Topic of the Day: Multi-Agent AI Systems](https://varunsingla.com/entries/2026-03-19.html): A top-level orchestrator decomposes the goal and delegates sub-tasks to worker agents. Workers report back, the orchestrator synthesises results.
- [Day 4: The Agentic AI Revolution](https://varunsingla.com/entries/2026-03-18.html): The biggest shift in AI right now isn't a new model -- it's a new paradigm. We are moving from AI that answers to AI that acts.
- [Day 3: The Microservices Revolution of AI](https://varunsingla.com/entries/2026-03-17.html): Gartner recorded a 1,445% surge in multi-agent system enquiries in just 12 months.
- [Day 2: Agentic AI -- the shift from AI that answers questions to AI that takes actions](https://varunsingla.com/entries/2026-03-16.html): Agentic AI -- the shift from AI that answers questions to AI that takes actions.
- [Day 1: The Multi-Agent Revolution -- How AI is Moving from "Talking" to "Doing"](https://varunsingla.com/entries/2026-03-15.html): A frontier model (expensive, smart) creates the strategy. Smaller, cheaper specialist models execute it.

## Tools

- [LLM Tokenizer & API Cost Calculator](https://varunsingla.com/tokenizer.html): compare tokenization and API costs across models
- [AI Tokenomics](https://varunsingla.com/ai-tokenomics/): interactive dashboard on AI inference economics
- [Model Team Evaluator](https://varunsingla.com/tools/model-team-evaluator.html): pick the right mix of AI models for a team

## Optional

- [Full journal text](https://varunsingla.com/llms-full.txt): the complete text of every entry in one markdown file
- [About Varun Singla](https://varunsingla.com/about/): background on the author
- [RSS feed](https://varunsingla.com/feed.xml): latest entries with full content
- [Archive](https://varunsingla.com/entries/): browsable index of all entries