OpenAI o3 Search
Provides web search capabilities using OpenAI's o3 model with configurable reasoning effort levels f...
Log in to your OpenAI account
- Visit https://platform.openai.com/account/api-keys and sign in, or create an account if you don't have one.
Navigate to the API Keys page
- Once logged in, go to the "API Keys" section.
Create a new API key
- Click the "Create new secret key" button.
- Give your key a relevant name for tracking purposes, then confirm.
Copy the API key
- Copy the key displayed immediately after creation. You won't be able to see it again!
Fill in the FastMCP connection interface
- In your FastMCP setup, use the "Install Now" button to add ENVs.
- Enter your copied key as the value for
OPENAI_API_KEY. - Optionally, you may specify:
SEARCH_CONTEXT_SIZE(values:low,medium,high; default:medium)REASONING_EFFORT(values:low,medium,high; default:medium)OPENAI_API_TIMEOUT(e.g.,60000for 60 seconds)OPENAI_MAX_RETRIES(default:3)
Save your configuration
- Confirm and save the environment variables in FastMCP to complete the setup.
How to Install OpenAI o3 Search
Install OpenAI o3 Search 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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started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
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