MCP server + Open AI application

Hello!
I have experience in developing AI integrations, API services, and chat applications, including working with OpenAI and creating servers for integrating external APIs. I can implement an MCP server that will work with your restaurant booking API and connect it to the OpenAI application.

How I will implement this:

- Development of an MCP server that interacts with the existing restaurant API;
- Receiving and processing a list of restaurants by city/location;
- Integration with the OpenAI app so that ChatGPT can call the MCP and retrieve data;
- Forming a response with UI components and "Reserve" buttons;
… - Redirecting the user to the booking page;
- Preparing instructions for launching, configuring, and deploying.

I can implement the solution in a way that makes it easy to scale and connect new data sources in the future. I am ready to discuss the details of the API and the structure of the MCP.

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I have experience in developing MSP servers and integration with agent tool calling. I implement the required functionality in the shortest possible time.

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Good day! I have experience working with OpenAI Apps SDK — this is a relatively new technology. I know the architecture, SDK, UI widget building patterns, and the deployment process and connection to ChatGPT.
What will be implemented:
1. MCP server (Node.js + TypeScript)

Tool search_restaurants — accepts parameters: city, country, location
Integration with your Public API to get a list of restaurants
Structured output (structuredContent) for the model and UI
HTTP transport with CORS for ChatGPT

… 2. UI widget for ChatGPT

Visual cards of restaurants (name, address, rating, photo — depending on what the API returns)
"Reserve" button → link to the booking page
Responsive design for iframe ChatGPT (web + mobile)
Built on React + Tailwind CSS (Apps SDK standard)

3. Documentation

Step-by-step guide for deploying the MCP server
Setting up OpenAI Developer Mode
Connecting the application to ChatGPT
Examples of prompts for testing
Stack: Node.js, TypeScript, React, Tailwind CSS, Vite

A few clarifications before starting:

Can you provide documentation for your Public API (endpoints, response format, authentication)?
Is the "Reserve" button a transition to an external booking page, or is a reservation flow needed directly in ChatGPT?
Is user authorization (OAuth) required, or is the API public without keys?
Timeline: 5-7 working days from receiving access to the API.

I am ready to show a demo with MCP Inspector even before connecting to ChatGPT — so you can see the result at each stage.
The price indicated is approximate.

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Good day. I am ready to complete this project and have extensive experience in developing various applications.

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Good day.

I have experience working with OpenAI API, integrations through REST, and building AI solutions with custom tool-calling. I understand the architecture of MCP and the principles of OpenAI Apps SDK.

I am ready to implement:

— MCP server that works with your Public API
— Integration through OpenAI Apps SDK
— UI components in ChatGPT (restaurant list + reservation buttons)
… — Full flow: request → receiving list → interaction through UI
— Instructions for launching and setting up

Technically, the implementation: Python (FastAPI) + OpenAI Apps SDK + integration through REST API.

“Estimated budget — 450 USD. The final cost depends on the structure of the Public API and the volume of UI components.”

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Hello. I have been working with Node.js for 8 years. I am ready for collaboration. Please contact me.

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Hello.

I am a NodeJS developer. I have experience with OpenAI API. I am ready to take on the project. Write to me, we will discuss.

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