AI & Agentic Software · AI assistants & chat

# ChatGPT App

A tailored app or connector that runs inside ChatGPT, Claude or another AI assistant, so the people using those assistants can find and use a business’s services without leaving the chat.

Also searched as: custom GPT · Claude connector · AI assistant app

## What it does

- Listing inside AI assistants
- Live data and actions through APIs
- Sign-in and payments where supported
- Brand voice and guardrails

### Who uses it

Businesses that want to be found and used inside AI assistants for booking, ordering, quoting and support.

### Well-known examples

ChatGPT apps (Apps SDK) · Custom GPTs · Claude connectors · Gemini Gems

How AI is changing it

As people ask AI assistants to research, book and buy, apps inside those assistants are becoming a new storefront, much like mobile apps were a decade ago.

## Buy, build or connect?

We build ChatGPT apps and MCP connectors so assistants can read your catalog, check availability and take orders.

- [ChatGPT Apps & Claude Connectors for Your Business](https://wisconsintechshop.com/ai-integration/chatgpt-app-development/): Put your business inside the AI assistants customers already use: ChatGPT apps, Claude connectors and MCP servers that let people check availability, get quotes, book or order right in the chat. (From $2,000)
- [MCP Servers & AI-Agent-Ready Business Data](https://wisconsintechshop.com/ai-integration/mcp-server-development/): Make your business usable by AI assistants and agents: MCP servers and APIs that let tools like Claude and ChatGPT check stock, book, quote or order, safely. (From $1,500)
- [Agentic Commerce: Sell Through AI Assistants](https://wisconsintechshop.com/payments/agentic-commerce/): Get your products and services ready to be found, compared and bought by AI shopping assistants, with clean product feeds, structured data and agent-ready checkout. (From $1,250)

## Related software

- [MCP Server](https://wisconsintechshop.com/software/ai-software/mcp-server/)
- [Agentic Commerce](https://wisconsintechshop.com/software/ai-software/agentic-commerce-platform/)
- [AI Chatbot Platform](https://wisconsintechshop.com/software/ai-software/ai-chatbot-platform/)
- [Enterprise AI Assistant](https://wisconsintechshop.com/software/ai-software/enterprise-ai-assistant/)
- [AI Copilot](https://wisconsintechshop.com/software/ai-software/ai-copilot/)
- [AI Answer Engine](https://wisconsintechshop.com/software/ai-software/ai-answer-engine/)
- [AI Knowledge Assistant](https://wisconsintechshop.com/software/ai-software/internal-knowledge-assistant/)

## Questions about ChatGPT apps

### What is a ChatGPT app?

A tailored app or connector that runs inside ChatGPT, Claude or another AI assistant, so the people using those assistants can find and use a business’s services without leaving the chat.

### How is AI changing ChatGPT apps?

As people ask AI assistants to research, book and buy, apps inside those assistants are becoming a new storefront, much like mobile apps were a decade ago.

### Should we buy a ChatGPT app or have it built?

We build ChatGPT apps and MCP connectors so assistants can read your catalog, check availability and take orders.

## Need a ChatGPT app set up, connected or built?

Tell us what you use today and what you need it to do. We will tell you honestly whether to buy, build or connect, with a fixed quote.

- Big projects and small ones are all welcome
- Fixed-price quotes, no surprise invoices
- You own your code, data and accounts
- A client portal to track progress, invoices and payments
- Rooted in Wisconsin, serving businesses nationwide

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Source: https://wisconsintechshop.com/software/ai-software/custom-gpt-app/
Contact: hello@wisconsintechshop.com · https://wisconsintechshop.com/contact/