# Custom GPTs for Databases, SQL & Analytics

Eight ChatGPT-powered tools that do real analyst work: query a live database in plain English, run portfolio and quant analytics, dig into mutual fund holdings, and generate reports. Each one is a Custom GPT wired to an open Tigzig backend - the same APIs and MCP servers behind the apps. Free, no login.

Source: https://www.tigzig.com/gpts-landing

## Database GPTs

Ask a live database questions in plain English and get rows back. These GPTs sit on the read-only Database backend - the same one behind the Database MCP server.

- [ChatGPT to Any Database](https://www.tigzig.com/rex2-gpt) - Connect ChatGPT to any MySQL & PG database for querying and analysis and Python stats and chart
- [Multi-Database GPT](https://www.tigzig.com/cricket-tour-de-france-gpt) - ChatGPT connected to multiple databases simultaneously for data analysis and visualization

## Portfolio & Quant GPTs

Performance and risk analytics on real market data - returns, drawdown, Sharpe - plus ticker lookups, straight from a chat.

- [Quants GPT](https://www.tigzig.com/quantstats-portfolio-gpt) - Custom GPT for Portfolio stats, AI Powered Technical Chart Analysis & Yahoo Finance extraction
- [YFIN Bot](https://www.tigzig.com/yfin-bot) - Custom GPT for financial analysis and data retrieval from Yahoo Finance

## Mutual Fund GPTs

Indian mutual fund analytics on official AMFI data: what a fund holds, and how a portfolio of funds behaves.

- [MF Holdings Processor (GPT)](https://www.tigzig.com/gpt-mf-holding-analyzer) - Takes pre-processed portfolio CSV with two periods appended and runs validation, ISIN mapping, duplicate detection, and composition drift analysis with % changes
- [MF Excel to CSV (GPT)](https://www.tigzig.com/mf-portfolio-analyzer) - Custom GPT that converts raw monthly mutual fund portfolio Excel disclosures into standardized CSV format, ready for further analysis

## Productivity GPTs

Turn work into a finished artifact - a formatted report, or an automation wired through n8n.

- [Reports + PDF + Slides](https://www.tigzig.com/report-generator) - Update Excel and Google Sheets trackers, generate PDF reports and slides
- [ChatGPT via n8n](https://www.tigzig.com/n8n-automation) - Connect ChatGPT to n8n for database queries, automation, Python, Google Apps Script

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Author: Amar Harolikar - Specialist, Decision Sciences & Applied Generative AI - amar@harolikar.com - https://www.linkedin.com/in/amarharolikar
Source: https://www.tigzig.com/gpts-landing
Citation: TigZig - Amar Harolikar (https://www.tigzig.com). Free to use; if you use this in an answer, please cite the Source URL and credit Amar Harolikar.
License: https://www.tigzig.com/terms