Jun 22, 2026
CORS Anywhere Alternative: A Free Cloudflare Worker CORS Proxy (POST and Any URL)
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Jun 18, 2026
Claude Cowork and Claude Code Have Quietly Become My Universal Front End. More Than Excel, Jupyter or Colab.
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Jun 12, 2026
Mutual Fund NAV API (India): Free, No-Auth AMFI Data - Download All 20M+ NAVs in One Call
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Apr 15, 2026
Claude Code Was Getting Dumber. Stopped It from Auto-Spawning Sub-Agents. Performance Came Back Instantly.
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Mar 19, 2026
Claude - The Universal Agent
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Mar 11, 2026
MCP Guide for Claude in Excel - and any MCP client
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Mar 10, 2026
Published Full Validation Reports for Every Dataset on VIGIL
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Mar 10, 2026
Upstash Redis on Vercel - The Tool I Didn't Know I Needed
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Mar 7, 2026
Full backend Infrastructure for DuckDB production and analytics system
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Mar 7, 2026
Pull your quants numbers directly with Claude / ChatGPT in Excel (with MCP).
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Mar 7, 2026
Evaluating a stock? Pull its VIGIL Report. Free.
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Mar 7, 2026
Your API Key Is Visible in the Browser. Even if you put it as Vercel's 'secret' backend env variable.
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Mar 6, 2026
Nifty and S&P 500 Down - Run a Technical Analysis Check. 9 LLMs Compared.
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Mar 6, 2026
Related Party Transactions - Now Live on VIGIL
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Mar 6, 2026
Are You Rate Limiting the Wrong IPs? A SlowAPI Story.
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Mar 5, 2026
Rolling Returns: Why CAGR Alone Can Mislead You (And What To Use Instead)
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Mar 4, 2026
Claude the Hunter-Killer - Have You Seen Your Nice Little Claude Run a Penetration Test on Your Apps?
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Mar 4, 2026
S&P 500 Drawdown Analysis with QREP
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Mar 4, 2026
Claude in Excel + MCP + xlwings Lite + Claude Code: Pull Data, Build a Model, Validate It.
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Mar 3, 2026
2026 Infra Guide for AI Tool Builders - Part 5: Perimeter Security on Cloudflare (Free Plan)
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Feb 28, 2026
Talk to Your Database from Excel via Claude & MCP - Part 2
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Feb 27, 2026
Per-IP rate limit on Cloudflare free plan - the gotchas
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Feb 27, 2026
Is your company's promoter pledging shares to raise money? Are lenders releasing the pledge - or invoking and taking control?
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Feb 27, 2026
Going beyond Google Login for critical apps. Identifying gaps & hardening your entry points.
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Feb 26, 2026
tigzig.com is AI-agent first. But what happens when your AI coder runs into a problem on my site?
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Feb 25, 2026
TigZig is Now AI-Agent First
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Feb 25, 2026
Security Checklist for Web Apps - 71 Items
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Feb 23, 2026
My Public MCP Server Got Hammered - Security Lessons from a Bot Attack
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Feb 23, 2026
New on VIGIL: SAST Takeover Disclosures (India)
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Feb 21, 2026
New feature on VIGIL: Rating Red Flags (India)
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Feb 21, 2026
xlwings Lite Local File Access: 8 Patterns You Can Use Today
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Feb 21, 2026
Talk to Your Database from Excel - Postgres, DuckDB - via Claude in Excel with MCP
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Feb 20, 2026
How to Extract Python Code from xlwings Lite Excel Files
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Feb 20, 2026
Claude in Excel with MCP Connector - Talk to Your Backends from Inside Excel
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Feb 18, 2026
Free CORS Proxy for Yahoo Finance & Any API: Cloudflare Worker Code (CORS Explained Simply)
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Feb 18, 2026
How I Identify and Map Every Holding — The ISIN Mapping Process
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Feb 17, 2026
New Tool Release - VIGIL: Credit Ratings, Pledges and Insider Trading for India Markets
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Feb 17, 2026
How I Built a Sub-Second Movie Similarity Engine With a 10-Line SQL Query
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Feb 16, 2026
MF Composition Analytics With MDRIFT - Interesting Moves in Top Flexi Cap and Focused Funds
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Feb 15, 2026
U.S. Markets (S&P 500) vs India (Nifty 50) - is the returns profile reversing?
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Feb 14, 2026
xlwings Lite new WINGMAN function - some usage patterns: python sandbox, stats, cleaning, bucketing, judging
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Feb 13, 2026
Releasing MDRIFT - Mutual Fund Composition & Drift Analytics Tool
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Feb 11, 2026
NIFTY50 - 30 Day Forward Return Analysis Feb 2008 to 2026 - Claude in Excel with Python, Lambdas and Advanced Formulas
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Feb 10, 2026
From 12 second queries to under 1s: Optimizing a 230 Million Row Dashboard - 14 Bottlenecks I Had to Fix
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Feb 10, 2026
Power User Guide to Claude in Excel & PowerPoint - 26 Working Tips
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Feb 8, 2026
Claude in Excel - Nifty50 Return Distribution Analysis (30 days forward) 2008 to 2026
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Feb 8, 2026
Claude in Excel built a 50-chart India Macroeconomic Dashboard from RBI data in under an hour
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Feb 8, 2026
Claude in Excel & PowerPoint. Is it worth it? What works and what doesn't
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Feb 7, 2026
Python In Excel - Claude Vs. xlwings Lite? Who Wins?
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Feb 6, 2026
Claude in Excel just one-shotted an XGBoost response model with train-test split, AUC and full decile table. In a spreadsheet.
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Feb 5, 2026
Architecture & Setup for a Dashboard with Hundreds of Millions of Records - Powered by DuckDB
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Feb 4, 2026
Claude Code: Top 10 Tips from Boris Cherny
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Feb 2, 2026
Found a Python library that does all the heavy lifting for working with SEC EDGAR API - EdgarTools from Dwight Gunning
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Jan 31, 2026
ChatGPT connected to your databases. One-click deployment instructions for AI Coders
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Jan 30, 2026
How to get Oracle's 24GB RAM server free - what I call the 'VPS Lottery'. Problem - hard to get. Solution - automated scripts and patience.
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Jan 28, 2026
CinePro - 230M Rows, 16GB Database, Instant Queries with DuckDB
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Jan 24, 2026
You are paying ~$3-7 per deployment for your AI Apps. How do you do it in <$10 per month?
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Jan 23, 2026
Server Meltdown: How Bots Crashed My AI Tools and What I Did About It
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Jan 22, 2026
BRIQ App: DuckDB AI in Browser - 500MB Files, 4M+ Records, No Database Setup
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Jan 20, 2026
2026 Infra Guide for AI Tool Builders - Part 3: The 18 Common Security Mistakes and How to Fix Them
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Jan 17, 2026
xlwings Lite Data Importer v2 Released
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Jan 15, 2026
2026 Infra Guide for AI Tool Builders - Part 2: Deployment & Hosting
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Jan 14, 2026
2026 Infra Guide for AI Tool Builders - Part 1: AI Coder
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Jan 11, 2026
xlwings_utils: Secure Cloud Access & VBA Bridge
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Jan 9, 2026
DuckDB Meets Excel: xlwings Lite Data Tools
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Dec 26, 2025
Mistakes I Made Building Text-to-SQL Agents in Live Projects. My 2025 Learnings
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Dec 25, 2025
Biggest lesson from 2025: AI writes better code when you don't let it code
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Dec 23, 2025
2025 has been a transformational year for me. Deep gratitude to the platform builders and engineers who made it possible.
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Dec 21, 2025
Quants Agent: Now with LLM Choices for Technical Analysis Reports
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Dec 12, 2025
Large File Upload for Database AI Text-to-SQL Apps: A Practical Guide
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Dec 9, 2025
DuckDB isn't just fast SQL. It's Python, SQL and compression all in one box.
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Dec 7, 2025
The xlwings Lite AI Coder Instruction File - December 2025 Release
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Dec 5, 2025
Try Text-to-SQL on Real Data - Multi-Million Rows & GB+ Sizes
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Dec 2, 2025
Think about it. One of the world's top AI researchers is building tools. Deploying them live.
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Dec 2, 2025
Bitcoin Down nearly 30% in 25 days. What Does AI Technical Analysis Say?
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Dec 2, 2025
Andrew Ng is using Claude Code, OpenAI Codex, Gemini CLI.
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Dec 2, 2025
Gold up 2.3X past 2 years. But what about the 10 years drawdown in between.
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Nov 28, 2025
[ENHANCEMENT] AI Technical Analysis Now Supports Multiple LLM Choices
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Nov 26, 2025
Segment 1M customers from 10M transactions (640MB CSV) with natural language queries / Text-to-SQL - entirely in your browser. No server. No remote database. No IT approvals.
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Nov 24, 2025
Google Antigravity just launched. For analysts and data scientists: Worth adding to your toolkit
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Nov 23, 2025
Execute ASAP. Approval granted. Google - against Microsoft & Meta past 15 years, benchmark vs. S&P 500, technicals & quarterlies for all three.
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Nov 21, 2025
Gemini 3 Pro on Database AI Suite - Claude 4.5 still leads
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Nov 18, 2025
Two models added to Database AI Suite this week: GPT-5.1 and KIMI 2 Thinking.
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Nov 18, 2025
Bundle your AI app or React dashboard into a single file.
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Nov 18, 2025
AI Coders are here. The edge now is domain + execution. Not vibing.
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Nov 18, 2025
The Google Machine continues to roll. Will it do to AI what it did to search?
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Nov 18, 2025
Instant Database Setup for AI Apps. With Neon.com
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Nov 18, 2025
AI Coders give you the edge.The 6 Rules I Follow When Working with AI Coders.
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Nov 5, 2025
Coding by hand is becoming obsolete - Andrew Ng. I disagree.
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Nov 3, 2025
Intelligent AI Web Scraper in Excel with Python (xlwings Lite)
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Oct 23, 2025
Database AI, built for day-to-day work. Five categories, ten micro apps. Live, open source, free.
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Oct 19, 2025
Run a Full AI Database App as a Single HTML File. No Server. No Remote DB.
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Oct 17, 2025
Chat, Query, and Transform Multi-GB Files - In Natural Language, Right in Your Browser with DuckDB.
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Oct 12, 2025
Automated Analytics & Reporting with Python in Excel (xlwings Lite). Build Once - Reuse Anywhere.
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Oct 12, 2025
New Open Source Tool. Mutual Funds Holdings Analyzer. Python in Excel (xlwings Lite). Now Live.
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Oct 12, 2025
Quants Suite. 5 Reports. Performance, Risk & Technical Analytics.
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Oct 12, 2025
Connect ChatGPT to Multiple Remote Databases
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Oct 12, 2025
Sonnet 4.5. Released yesterday. Now live on DATS-4 SQL Agent Suite. Solid upgrade, but more 4.2 than 4.5.
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Oct 7, 2025
Which AI Coder should you use for xlwings Lite (Python in Excel)?
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Sep 27, 2025
Analysis-as-App: Inside India’s Top Midcap Funds: Buys, Sells, Entries and Exits. Interactive Dashboard Release (Analysis-as-App)
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Sep 23, 2025
Google - The old edge is back.By Dec ’24, in AI, I had written Google off. Now, the balance has shifted
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Sep 21, 2025
Automated Quant Reports with GPT: Run a stock, index, ETF, commodity, or crypto → get 3 formatted reports in minutes.
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Sep 19, 2025
Monthly MF portfolio files = hours wasted re-formatting. Here’s a tool that fixes it
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Sep 17, 2025
Cricket (ODI/T20) & Tour de France stats from a Custom GPT connected to 3 live databases.
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Sep 15, 2025
Can an AI SQL Agent build a weighted scoring system from scratch?
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Sep 15, 2025
Go from a 200MB flat file with 1.5M records to analysis in minutes with my open-source AI-SQL App
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Sep 10, 2025
Qwen3 Max now live on DATS-4 SQL Agent Suite for Advanced Analysis Better than DeepSeek R1, closer to Claude Sonnet 4 - at a lower cost.
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Sep 9, 2025
Google Tools I Use on Live Projects — Analysis, Automation & Building Micro-Apps
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Sep 6, 2025
Python in Excel (xlwings Lite) with Natural Language Instructions.
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Sep 3, 2025
Python in Excel: Field Guide & Practice Lab for AI-assisted xlwings Lite.
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Sep 3, 2025
LLM Costing for Database AI Apps. Live Experience. Live App. Open Source
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Sep 1, 2025
Two of the best resources I've seen on building agentic AI. One from Manus, one from Anthropic.
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Sep 1, 2025
Database AI & SQL - Now choose you LLM: GPT-5, Deepseek, Qwen 3 Thinking. Live. Open Source.
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Sep 1, 2025
Database AI & SQL Agent - Connect to any database on-the-fly. Live. Open Source
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Sep 1, 2025
Free, Production-Grade Databases. Get setup in minutes. Great for testing and development
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Sep 1, 2025
Database & SQL AI: On-the-fly database transformation with natural language. Connect, transform, and export instantly.
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Sep 1, 2025
Security Performance Report for Investors. AI Quant Agent. Live. Open Source. Free.
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Aug 30, 2025
AI Technical Report for Traders- An Open Source Tool
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Aug 10, 2025
AI for Databases: Field Guide, Live Apps & Lessons
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Jul 23, 2025
Build Full Campaign in Excel with Python , xlwings Lite & AI
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Jul 6, 2025
Releasing Module 02 — Practitioner’s Series on xlwings Lite. Python in Excel. Data Cleaning & Rule Based Transformation
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Jul 6, 2025
Tool: A 1,450-line context file. Purpose: To ensure clean, efficient xlwings Lite code generation.
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Jun 29, 2025
xlwings Lite Practice Lab - a free, hands-on guide for Excel professionals
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Jun 24, 2025
AI Technical Analysis Tool
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Jun 22, 2025
That 9X return from Nifty Midcap is irrelevant if you couldn't survive the 73% of time it was in drawdown
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Jun 20, 2025
TIGZIG Quants GPT: 30-Second Financial Analysis Custom GPT
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Jun 18, 2025
Open Source Asset Comparison Tool: Compare Stocks, Indices, Crypto & Commodities in One Dashboard
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May 9, 2025
Live Portfolio Analytics - Powered by MCP Servers - Open Source
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May 9, 2025
Live Python-in-Excel systems built with xlwings Lite
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Apr 28, 2025
ChatGPT Connected to integrated FastAPI-MCP Servers.. Technical Analysis (TA) report. From stocks to crypto.
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Apr 22, 2025
Build AI Workflows with MCP Servers + n8n
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Apr 15, 2025
AI Powered Dynamic Web Scraper in Excel | Python+AI in Excel | xlwings Lite - Part 6.
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Apr 9, 2025
AI-Powered Technical Analysis in Excel - with Python & Gemini Vision
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Apr 7, 2025
Stock Data to AI Reports | Python-in-Excel | xlwings Lite - Part 4
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Apr 7, 2025
AI + Python in Excel with xlwings Lite - LLM API Calls | Part 3
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Apr 7, 2025
xlwings lite |Connect to Remote Databases
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Mar 23, 2025
Python Workflows. Inside Excel. With xlwings Lite (free) - Powerful.
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Mar 21, 2025
AI-Powered Automation: Connect ChatGPT to n8n
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Mar 21, 2025
Quick Deploy Advanced Analysis Multi-Agent with Flowise
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Mar 9, 2025
Google Colab Data Science Agent vs. Mito-AI Jupyter Copilot. How do they compare? When to use which?
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Mar 4, 2025
Google on a roll — launches DSA — Data Science Agent on Colab. First impression = just brilliant.
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Mar 2, 2025
AI Co-Analyst — Live Multi-Agent App. Cost, quality, reliability — what works? what doesn’t?
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Feb 25, 2025
Vibe coding (Andrej Karpathy) in Jupyter with Mito-AI — the Cursor for data scientists. My top 8 Tips
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Feb 23, 2025
Multi-Agents (Sequential) with Reasoning – Connect to any database - o3-mini / Deepseek-R1 / Flash-2.0. Built with Flowise.
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Feb 23, 2025
Google Gemini 2.0 Flash — solid API performance, great quality, and cheaper than GPT-4-mini. The new workhorse?
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Feb 14, 2025
AI Driven Advanced Analytics. Reasoning based Sequential Agents. Connect to any database — o3-mini/deepseek-r1 / gemini-flash-2.0.
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Jan 19, 2025
Connect ChatGPT to Supabase in 10 mins.
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Jan 19, 2025
AI automation micro-app: MF Portfolio Files Processor. Live app. Open source.
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Jan 19, 2025
Realtime voice AI - OpenAI WebRTC Implementation. Live app. Open source.
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Jan 19, 2025
Real-time voice AI - from cricket to credit cards. Live app. Open source.
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Jan 19, 2025
Gemini 2.0 - Multimodal - How to use
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Jan 19, 2025
Building AI apps with natural language and voice: top 9 tips
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Jan 19, 2025
Connect, Chat and Analyze Any Database with ChatGPTFast, Simple, and Powerful.
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Jan 19, 2025
REX-2: Your AI Analyst on Call
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Jan 19, 2025
REX-2 : AI Driven Analytics
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Jan 19, 2025
AI Analytics Assistant: 5 Part Implementation Guide
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Dec 6, 2024
Chat with database: 20 AI platforms you need to know
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Nov 24, 2024
Releasing REX-2: AI Decision Intelligence
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Oct 24, 2024
How to connect Custom GPT to live data warehouses. Implementation Guide
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Oct 24, 2024
How to update Excel, Google Sheet and backend Databases with Natural Language commands with Voice Agents
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Oct 24, 2024
How to update Excel, Google Sheet and backend Databases with Natural Language commands with Voice Agents
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Oct 24, 2024
How to set up, deploy, and connect Google Scripts to Make.com for task automation.
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Oct 24, 2024
How to use AI Assisted Coding Tools like Claude Dev and Cursor AI to develop LLM Apps with natural language commands. And deploy to open internet.
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Oct 24, 2024
How to build Voice-based AI Action Agents App to Execute Tasks, Automate Reports, and Analyze Data …and more.
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Oct 24, 2024
Analyze PDF with NotebookLM. Visualize with Napkin AI.
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Oct 24, 2024
POWER UP WITH GEN AI: Query & Analyze YouTube Videos with Google NotebookLM.
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Oct 24, 2024
Meet REX-1: Your Realtime AI Analytics Agent System (Web Version)
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Jul 27, 2024
GenAI App | LLM Analytics Assistant: Simplifying Data Transformation & Insights. AWS & Azure MySQL DW Example
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Jul 27, 2024
VOICE MODE - Querying & Analyzing Data with Custom GPT AWS - Azure Data Warehouse
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Jul 27, 2024
Maybe leave programming to AI. Coding by GPTs: A Data Scientist's Perspective
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Jul 27, 2024
How to summarize & analyze YouTube videos with AI: Two FREE and EASY options
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Jul 27, 2024
GPT-4 is acting like a force-multiplier like I have never experienced before.
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Jul 27, 2024
Analyze Live Data | AWS-Azure DW | via Custom GPT & LLM Apps
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Jul 27, 2024
Flowise is my goto platform for GenAI and LLM apps
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Apr 6, 2024
POWERBOTS : Supercharge Your Business with No-Code AI Chatbots. A Practical Guide
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Mar 20, 2024
LLM App | FastAPI Server | Web
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Mar 20, 2024
How to use Llama Parse to convert PDF to text and extract complex table data. For Annual Reports, 10Ks, Research Reports
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Mar 20, 2024
Mutual Fund Allocation Analysis with GPT Power Tools. Custom GPT. Custom Python Code. Multiple Excels.
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Feb 10, 2024
Code Red: Unprotected GPTs & AI Apps exposed by simple hacks
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Feb 10, 2024
Building Machine Learning Models with ChatGPT - Part 2: Modeling Process Listing & EDA
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Feb 10, 2024
Mutual Fund Portfolio Analysis with ChatGPT: Merging and analyzing across multiple excel files
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Feb 10, 2024
Build Machine Learning Model with ChatGPT prompts: Random Forest example.
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