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o3-search MCP

by yoshiko-pg
npmGitHub
JavaScript
MIT License
667
153
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o3-search-mcp

An MCP (Model Context Protocol) server that provides web search capabilities using OpenAI's o3 model. The o3-search tool accepts text queries and returns AI-powered search results.

Installation

Claude Code:

$ claude mcp add o3 -s user \ -e OPENAI_API_KEY=your-api-key \ -e SEARCH_CONTEXT_SIZE=medium \ -e REASONING_EFFORT=medium \ -e OPENAI_API_TIMEOUT=60000 \ -e OPENAI_MAX_RETRIES=3 \ -- npx o3-search-mcp

json:

{ "mcpServers": { "o3-search": { "command": "npx", "args": ["o3-search-mcp"], "env": { "OPENAI_API_KEY": "your-api-key", // Optional: low, medium, high (default: medium) "SEARCH_CONTEXT_SIZE": "medium", "REASONING_EFFORT": "medium", // Optional: API timeout in milliseconds (default: 60000) "OPENAI_API_TIMEOUT": "60000", // Optional: Maximum retry attempts (default: 3) "OPENAI_MAX_RETRIES": "3" } } } }

Local Development Setup

If you want to download and run the code locally:

# setup git clone git@github.com:yoshiko-pg/o3-search-mcp.git cd o3-search-mcp pnpm install pnpm build

Claude Code:

$ claude mcp add o3 -s user \ -e OPENAI_API_KEY=your-api-key \ -e SEARCH_CONTEXT_SIZE=medium \ -e REASONING_EFFORT=medium \ -e OPENAI_API_TIMEOUT=60000 \ -e OPENAI_MAX_RETRIES=3 \ -- node /path/to/o3-search-mcp/build/index.js

json:

{ "mcpServers": { "o3-search": { "command": "node", "args": ["/path/to/o3-search-mcp/build/index.js"], "env": { "OPENAI_API_KEY": "your-api-key", // Optional: low, medium, high (default: medium) "SEARCH_CONTEXT_SIZE": "medium", "REASONING_EFFORT": "medium", // Optional: API timeout in milliseconds (default: 60000) "OPENAI_API_TIMEOUT": "60000", // Optional: Maximum retry attempts (default: 3) "OPENAI_MAX_RETRIES": "3" } } } }

Configuration

Environment Variables

  • OPENAI_API_KEY (required): Your OpenAI API key
  • SEARCH_CONTEXT_SIZE (optional): Controls the search context size
    • Values: low, medium, high
    • Default: medium
  • REASONING_EFFORT (optional): Controls the reasoning effort level
    • Values: low, medium, high
    • Default: medium
  • OPENAI_API_TIMEOUT (optional): API request timeout in milliseconds
    • Default: 60000 (60 seconds)
    • Example: 120000 for 2 minutes
  • OPENAI_MAX_RETRIES (optional): Maximum number of retry attempts for failed requests
    • Default: 3
    • The SDK automatically retries on rate limits (429), server errors (5xx), and connection errors
Install Server
A
security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

An MCP server that enables web search capabilities using OpenAI's o3 model, allowing AI assistants to perform text-based web searches and return AI-powered results.

  1. Installation
    1. Using npx (Recommended)
    2. Local Development Setup
  2. Configuration
    1. Environment Variables

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