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OpenAI Chat

Generate text using OpenAI's language models.

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Updated Nov 22, 2025
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Generate text using OpenAI's language models.
  1. Log in to your OpenAI account
    Go to https://platform.openai.com/api-keys and sign in with your OpenAI credentials.

  2. Create a new API key

    • Click the “Create new secret key” button.
    • Give it a name if prompted (for your reference).
    • Click “Create secret key”.
  3. Copy your new API key

    • The key will be displayed only once. Click to copy the key and keep it secure.
  4. Open FastMCP and install the MCP OpenAI server

    • Click the “Install Now” button for the OpenAI integration.
  5. Enter your OpenAI API key

    • In the FastMCP connection interface, find the input for OPENAI_API_KEY.
    • Paste your API key into this field.
  6. Save or confirm the configuration

    • Ensure you press “Save” or confirm the changes in the FastMCP connection interface.

Your OpenAI API key is now configured and you can start using OpenAI’s models with Claude.

How to Install OpenAI Chat

Install OpenAI Chat MCP server with one click through FastMCP. Choose your preferred AI development tool below:

Claude Desktop

Click "Claude Desktop" in Quick Start

Cursor IDE

Click "Cursor IDE" in Quick Start

VS Code

Click "VS Code" in Quick Start

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