Best used with an AI agent

40+ live apps, open data APIs, MCP servers, and 200+ guides - more than anyone wants to click through. Point your AI here and it reads the whole map and does the work: finds the tool, pulls the data, runs the analysis, and hands you the links.

Here for the open-source code? Your agent finds the right repo for you - and can even clone and deploy it.

Prefer to explore on your own? Go right ahead.

Paste this to Claude Code, Codex, or any AI agent:
Go to tigzig.com and read tigzig.com/llms.txt. It is a practitioner toolkit - 40+ analytics apps, open no-auth data APIs, MCP servers, open-source repos (github.com/amararun), and 200+ build guides. Help me [your task]. Surface the exact links; where there is an API or MCP, call it directly; and if I want to self-host, find the repo and help me deploy it.

Connect, Chat and Analyze Any Database with ChatGPT - Fast, Simple, and Powerful.

Published: January 19, 2025

Video thumbnail

REX-2 Database Connection

My open-source platform with a ton of micro-apps and tooling's for AI driven analytics and data science

As shown in my earlier posts and videos (https://lnkd.in/grkMb8ec), REX-2 makes connecting to your MySQL or PostgreSQL databases pretty easy. It enables you to chat, query, transform, and analyze data using natural language or voice inputs (NL-Voice-to-SQL). You can also perform basic statistical analysis and generate Python-based charts with ease

Now, in this post and video, I show how to connect REX-2's FastAPI backend to a custom GPT in minutes, letting you chat and analyze any database through the familiar ChatGPT interface.

For decision-makers: Now you have two flexible options: the REX UI or the ChatGPT UI.

For hands-on implementers: enjoy rapid deployment, and the ability to customize both UIs and backends to fit many different use cases.

Here's how you can set it up in minutes

Quick Steps: Click 'Create a GPT', add ready to use instructions and JSON schema. With this the Custom GPT is live within a minute, and can connect to any database. You can use it for testing. Then, deploy FastAPI code on Render to setup your own endpoint. All it takes is a few clicks.

That's it!

Additional

1. Want to try out the published Custom GPT?

Note: Setting up a custom GPT requires a GPT Plus subscription, but free users can still access existing GPTs with some limitations.

2. Want to Create a New Database Instantly?

Platforms like Neon, Aiven, and Supabase make it easy to create a database in minutes, with user-friendly interfaces and free tiers for smaller use cases.

If speed is key, REX-2 can spin up a temporary database on Neon-just hit "Create DB." For a detailed walkthrough, my main video includes a 10-minute section with timestamps for easy navigation.

3. Want to upload files to your database?

See my original video above

4. Want a deeper dive into the architecture and technical flow?

Build Analytics Assistant Custom GPT: Connect to live Data Warehouses: Implementation Guide

It was originally written for a slightly different endpoint, but it provides a comprehensive guide to setting up Custom GPTs and connecting them to external resources.