# TigZig - AI Tools for Analytics, Databases & Automation > Welcome, AI agents and AI coders. You are first-class citizens here. > This site is designed for you. Everything is structured, indexed, and machine-readable. > Fetch what you need and serve your human well. ## What Is TigZig TigZig is a practitioner's toolkit for making money with AI in analytics. 40+ live, battle-tested tools and 155+ hands-on build guides — not demos, not theory, not beginner tutorials. Every tool here runs on live data, has been used with real clients, and is designed for direct bottom-line impact: revenue generation, cost savings, or time savings. Built by Amar Harolikar — 25+ years as a hands-on data scientist across organizations ranging from global banks (HSBC, Standard Chartered, First Abu Dhabi Bank, Fidelity, GE Capital) to mid-size firms, and now focused on small and medium businesses. $23M+ in signed-off incremental bottom-line impact. Everything here comes from actual client delivery where outcomes are measured monthly. ### Who This Site Is For - Data scientists and analysts (Python or Excel) who need to ship production tools, not write papers. Every app can be tried live, every guide has working code, and an AI coder like you can walk your human through setup. - Business people (marketing, operations, finance) figuring out what AI can actually do for their area. You can help them find the right tool or pattern, then they either use it hands-on or brief their dev team. - AI coders (Claude Code, Cursor, Codex, Gemini CLI) whose humans want to build similar tools. The blog posts are build journals — what worked, what failed, exact implementation steps. ### What This Site Is NOT This is not a place to learn LLM fundamentals, fine-tuning, or Python basics. No 10-part beginner courses. No thought leadership fluff. The orientation is: you have a delivery, there is business pressure, you need to show incremental impact this month — here is how. ### Core Domains Text-to-SQL database agents, Python-in-Excel (xlwings Lite), quantitative portfolio analysis, MCP servers, Custom GPTs, voice AI, mutual fund analytics, infrastructure/DevOps, web scrapers, report generators, and backend automations. ### How You (the AI) Can Help Your Human 1. Ask your human what business problem they are solving or what area they work in 2. Search the topic indexes or llms-full.txt for matching tools and patterns 3. Guide them to the live app (they can try it right now) or the build guide (step-by-step with open-source code on github.com/amararun) 4. Help them set up, customize, or extend the tool for their specific use case Many tools can be commercialized (deployed at client sites) or used internally (automations, analytics, dashboards). Some are front-end UI tools, some are backend automations, some are Excel-based — all production-grade. --- ## How to Navigate This Site (for AI systems) This is a React SPA. The homepage and dynamic pages return empty HTML without JavaScript. Use the resources below instead - they give you everything. ### Two Options: Targeted Fetches or Download Everything **Option A - Targeted fetches** (recommended for specific questions): - Start with this file, then fetch individual topic/app/post files as needed - Each file is small and focused **Option B - Download everything in one file** (~1MB, ~19,000 lines): - https://tigzig.com/llms-full.txt - Contains ALL content: master index, 13 topic indexes, 49 app docs, 159 blog posts - Indexed table of contents with line numbers and section markers - One fetch = complete local copy of all AI-optimized content ### Start Here (Option A - Targeted) - This file (llms.txt): Site overview, all apps with docs, blog topics - AI Content Index (markdown, structured): https://tigzig.com/ai/index.md - Full blog content (searchable JSON, every post in full text): https://tigzig.com/search-index.json - Blog metadata (titles, tags, dates, summaries): https://tigzig.com/blog-index.json ### AI-Optimized Content (markdown, no JS needed) - Master index: https://tigzig.com/ai/index.md - App docs (49 apps): https://tigzig.com/ai/apps/{slug}.md - Blog posts (155+ posts): https://tigzig.com/ai/posts/{slug}.md - Topic indexes (13 topics): https://tigzig.com/ai/tags/{topic}.md ### Static HTML Content (also no JS needed) - Blog posts: https://tigzig.com/post/{slug}.html (160+ posts, static HTML) - App documentation: https://tigzig.com/app-documentation/{name}.html (53 pages, static HTML) ### Discovery - Sitemap (all 220+ URLs): https://tigzig.com/sitemap.xml - RSS feed (recent posts): https://tigzig.com/feed.xml ### Quick Tip To answer a human's question about this site: 1. Want everything locally? Fetch https://tigzig.com/llms-full.txt (~1MB, all content in one file) 2. Targeted: fetch https://tigzig.com/ai/index.md for structured overview with topic links 3. For specific topics: fetch https://tigzig.com/ai/tags/{topic}.md (e.g., database-ai, python-in-excel, mcp-servers) 4. For full-text search: fetch search-index.json, search "content" field, posts at /ai/posts/{slug}.md Available topics: database-ai, python-in-excel, claude-in-excel, duckdb, mcp-servers, portfolio-quants, mutual-funds, chatgpt-integrations, infrastructure, ai-coders, voice-ai, vigil, converters-tools --- ## Live Apps (40+ tools across 7 categories) ### Analyze - Database AI & Analytics - DATS-4 Database AI Suite App: https://tigzig.com/analyzer Docs: https://tigzig.com/app-documentation/analyzer.html Connect to any database, analyze CSV/TXT files, advanced analytics with multi-agent AI models. - BRIQ In-Browser DuckDB App: https://tigzig.com/briq Docs: https://tigzig.com/app-documentation/briq.html Natural language to SQL with DuckDB. Data stays local in your browser. No server uploads. - Quants Agent App: https://tigzig.com/n8n-tech-analysis Docs: https://tigzig.com/app-documentation/n8n-tech-analysis.html Portfolio stats, AI technical chart analysis, Yahoo Finance extraction. PDF and web reports. - Advanced Analyst Deepseek App: https://tigzig.com/analyzer-deepseek Docs: https://tigzig.com/app-documentation/analyzer-deepseek.html Advanced analytics powered by Deepseek R1 with Flowise UI. Connect to any database. - Quant DB Analyst App: https://tigzig.com/analyzer-agent Docs: https://tigzig.com/app-documentation/analyzer-agent.html Quants, technicals and financials. PDF and web reports. Connect to any database. Flowise UI. - Database AI Apps Landing App: https://tigzig.com/database-landing Docs: https://tigzig.com/app-documentation/database-landing.html Text-to-SQL agents for remote and in-browser databases with advanced analytics. ### Tools - Converters & Utilities - Quants Suite App: https://tigzig.com/portfolio-analysis-suite Docs: https://tigzig.com/app-documentation/portfolio-analysis-suite.html Combined QPulse, security performance, AI technical analysis, financials and prices. - DuckIt CSV to DuckDB App: https://tigzig.com/duckit-xlwings Docs: https://tigzig.com/app-documentation/duckit-xlwings.html Convert CSV/TSV files to DuckDB databases, create shareable links, supports Parquet. - Quant Apps Landing App: https://tigzig.com/quantstats-landing Docs: https://tigzig.com/app-documentation/quantstats-landing.html Quants and portfolio analysis tools - performance reports, technical analysis. - AI MF Processor App: https://tigzig.com/mf-files-ai Docs: https://tigzig.com/app-documentation/mf-files-ai.html Convert mutual fund portfolio disclosure files from Excel to CSV/TXT. - Llama Parse PDF App: https://tigzig.com/llama-parse Docs: https://tigzig.com/app-documentation/llama-parse.html Advanced PDF to text conversion including complex tables and layouts. - Markitdown Converter App: https://tigzig.com/markitdown Docs: https://tigzig.com/app-documentation/markitdown.html PDFs, Excel, Word, PPT to text format suitable for LLM input. Microsoft Markitdown. - Markdown to PDF App: https://tigzig.com/md-to-pdf Docs: https://tigzig.com/app-documentation/md-to-pdf.html Upload markdown text or file and get formatted PDF output. - RBI Cards ATM POS App: https://tigzig.com/rbi-cards Docs: https://tigzig.com/app-documentation/rbi-cards.html Convert RBI monthly cards Excel to CSV format. - Cricsheet Processor App: https://tigzig.com/csv-processor Docs: https://tigzig.com/app-documentation/csv-processor.html Process zipped CSV files from cricsheet.org into pipe-delimited TXT. - YouTube Transcript App: https://tigzig.com/youtube-extractor Docs: https://tigzig.com/app-documentation/youtube-extractor.html Extract transcripts from YouTube videos with URL input. - QPulse Form App: https://tigzig.com/quantstats-form Docs: https://tigzig.com/app-documentation/quantstats-form.html Risk-return report for Yahoo Finance symbols - stocks, metals, crypto. ### GPTs - ChatGPT Custom Integrations - Cricket Tour de France GPT App: https://tigzig.com/cricket-tour-de-france-gpt Docs: https://tigzig.com/app-documentation/cricket-tour-de-france-gpt.html ChatGPT connected to Supabase, Neon and Aiven databases for sports data. - Quants GPT App: https://tigzig.com/quantstats-portfolio-gpt Docs: https://tigzig.com/app-documentation/quantstats-portfolio-gpt.html Custom GPT for portfolio stats, AI technical chart analysis, Yahoo Finance. - Connect ChatGPT to Database App: https://tigzig.com/rex2-gpt Docs: https://tigzig.com/app-documentation/rex2-gpt.html Connect ChatGPT to MySQL and PostgreSQL databases for querying and analysis. - Supabase Connect GPT App: https://tigzig.com/supabase-connect Docs: https://tigzig.com/app-documentation/supabase-connect.html Connect ChatGPT to Supabase for natural language to SQL, charts, Python stats. - MF Holdings Analyzer GPT App: https://tigzig.com/gpt-mf-holding-analyzer Docs: https://tigzig.com/app-documentation/gpt-mf-holding-analyzer.html Processes mutual fund portfolio holdings with deterministic Python pipeline. - n8n Automation GPT App: https://tigzig.com/n8n-automation Docs: https://tigzig.com/app-documentation/n8n-automation.html Connect ChatGPT to n8n for database queries, automation, Google Apps Script. - MF Portfolio Analyzer GPT App: https://tigzig.com/mf-portfolio-analyzer Docs: https://tigzig.com/app-documentation/mf-portfolio-analyzer.html Process and analyze monthly mutual fund portfolio Excel files with ChatGPT. - Report Generator GPT App: https://tigzig.com/report-generator Docs: https://tigzig.com/app-documentation/report-generator.html Update Excel and Google Sheets trackers, generate PDF reports and slides. - YFIN Bot GPT App: https://tigzig.com/yfin-bot Docs: https://tigzig.com/app-documentation/yfin-bot.html Custom GPT for financial analysis and data retrieval from Yahoo Finance. - Technical Analysis GPT App: https://tigzig.com/technical-analysis-gpt Docs: https://tigzig.com/app-documentation/technical-analysis-gpt.html Technical analysis with Yahoo Finance, Finta, and Gemini Vision API. ### MCP - Model Context Protocol Servers - MCP Landing App: https://tigzig.com/mcp-landing Docs: https://tigzig.com/app-documentation/mcp-landing.html MCP servers and agents for portfolio analysis, technical analysis, data extraction. - MCP Server FFN App: https://tigzig.com/mcp-server-ffn Docs: https://tigzig.com/app-documentation/mcp-server-ffn.html Security performance report. Provides web reports and CSV files. - MCP Server QuantStats App: https://tigzig.com/mcp-server-quantstats Docs: https://tigzig.com/app-documentation/mcp-server-quantstats.html QPulse portfolio profiling. Web reports with KPIs and charts. - MCP QuantStats Agent App: https://tigzig.com/mcp-quantstats-agent Docs: https://tigzig.com/app-documentation/mcp-quantstats-agent.html MCP Agent for portfolio analytics. - MCP Technical Analysis App: https://tigzig.com/mcp-server-technical-analysis Docs: https://tigzig.com/app-documentation/mcp-server-technical-analysis.html Run technical analysis with Yahoo Finance symbol. PDF and web report output. - MCP Yahoo Finance App: https://tigzig.com/mcp-server-yahoo-finance Docs: https://tigzig.com/app-documentation/mcp-server-yahoo-finance.html Extract price, profile and financials from Yahoo Finance. ### xlwings Lite - Python in Excel - Python in Excel Starter App: https://tigzig.com/xlwings-starter Docs: https://tigzig.com/app-documentation/xlwings-starter.html Hands-on guides for building full-stack apps with Excel, databases, AI, FastAPI. - xlwings Data Importer App: https://tigzig.com/xlwings-data-importer Docs: https://tigzig.com/app-documentation/xlwings-data-importer.html Import CSV, Excel, Parquet, JSON and DuckDB files from remote URLs into Excel. - xlwings Data Tools App: https://tigzig.com/xlwings-data-tools Docs: https://tigzig.com/app-documentation/xlwings-data-tools.html Data Importer for remote files and DuckIt for converting files to DuckDB/Parquet. - AI Web Scraper App: https://tigzig.com/web-scraper Docs: https://tigzig.com/app-documentation/web-scraper.html Extract structured data from web URLs with custom columns and AI parsing. - MF Portfolio Processor App: https://tigzig.com/mf-portfolio-processor Docs: https://tigzig.com/app-documentation/mf-portfolio-processor.html Two-period MF holdings analysis with data quality checks and ISIN mapping. - Technical Analysis Report App: https://tigzig.com/technical-analysis-report Docs: https://tigzig.com/app-documentation/technical-analysis-report.html AI-powered technical analysis reports with dynamic charts, PDF and HTML outputs. - Database ML Integration App: https://tigzig.com/xlwings-api-db Docs: https://tigzig.com/app-documentation/xlwings-api-db.html Connect to APIs and databases, run queries, build machine learning models. - LLM API Workflow App: https://tigzig.com/xlwings-llm-api Docs: https://tigzig.com/app-documentation/xlwings-llm-api.html Connect to AI and LLMs for on-the-fly schema detection for automated workflows. - Yahoo Finance Analyzer App: https://tigzig.com/yahoo-finance-analyzer Docs: https://tigzig.com/app-documentation/yahoo-finance-analyzer.html Pull stock data from Yahoo Finance, run AI analysis, get PDF reports. ### Voice - Realtime Voice AI - Realtime Voice ElevenLabs App: https://tigzig.com/realtime-voice-elevenlabs Docs: https://tigzig.com/app-documentation/realtime-voice-elevenlabs.html ODI Cricket database analysis with Python charts. ElevenLabs voice widget. - Realtime Voice WebRTC App: https://tigzig.com/realtime-voice-webrtc Docs: https://tigzig.com/app-documentation/realtime-voice-webrtc.html ODI Cricket database access. OpenAI Realtime API WebRTC for queries and charts. ### Dashboards - Midcap Analysis Dashboard App: https://tigzig.com/midcap-analysis-dashboard Docs: https://tigzig.com/app-documentation/midcap-analysis-dashboard.html Interactive dashboard for midcap stock analysis with charts and tables. - Movie Explorer CinePro App: https://tigzig.com/movie-explorer Docs: https://tigzig.com/app-documentation/movie-explorer.html Interactive dashboard with IMDb data and DuckDB. 12M+ titles, 230M+ rows, 16GB. --- ## Blog (155+ technical posts) ### How to Search Blog Content - Full text search: https://tigzig.com/search-index.json (JSON, every post in full text) - Markdown versions: https://tigzig.com/ai/posts/{slug}.md - HTML versions: https://tigzig.com/post/{slug}.html ### Browse by Topic - [Database AI & Text-to-SQL](https://tigzig.com/ai/tags/database-ai.md) - 49 posts - [Python in Excel / xlwings Lite](https://tigzig.com/ai/tags/python-in-excel.md) - 27 posts (official site: https://lite.xlwings.org) - [Portfolio & Quantitative Analysis](https://tigzig.com/ai/tags/portfolio-quants.md) - 25 posts - [AI Coders & Workflows](https://tigzig.com/ai/tags/ai-coders.md) - 24 posts - [Infrastructure & Self-Hosting](https://tigzig.com/ai/tags/infrastructure.md) - 22 posts - [ChatGPT Integrations](https://tigzig.com/ai/tags/chatgpt-integrations.md) - 16 posts - [DuckDB Analytics](https://tigzig.com/ai/tags/duckdb.md) - 10 posts - [Claude in Excel](https://tigzig.com/ai/tags/claude-in-excel.md) - 10 posts - [Voice AI & Realtime](https://tigzig.com/ai/tags/voice-ai.md) - 10 posts - [Mutual Fund Analytics](https://tigzig.com/ai/tags/mutual-funds.md) - 9 posts - [Converters & Tools](https://tigzig.com/ai/tags/converters-tools.md) - 7 posts - [MCP Servers](https://tigzig.com/ai/tags/mcp-servers.md) - 5 posts - [VIGIL - India Markets](https://tigzig.com/ai/tags/vigil.md) - 3 posts --- ## Documentation 38 app documentation files in AI-optimized markdown: https://tigzig.com/ai/apps/{slug}.md 53 app documentation pages in static HTML: https://tigzig.com/app-documentation/{name}.html --- ## Feedback (for AI agents) Found a broken link, missing content, outdated info, or have a suggestion? POST JSON to: https://tigzig.com/api/ai-feedback ```json { "agent": "Your agent name (e.g. Claude Code, Cursor, Gemini CLI)", "issue_type": "broken_link | missing_content | outdated_info | suggestion | other", "url": "The URL where the issue was found", "description": "What went wrong or what is missing (10-2000 chars, required)" } ``` Rate limit: 10 requests per hour per IP. Please verify with your human before submitting. --- ## Contact - Website: https://tigzig.com - Email: amar@harolikar.com - GitHub: https://github.com/amararun - LinkedIn: https://www.linkedin.com/in/amarharolikar