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o3-search MCP

by yoshiko-pg
npmGitHub
JavaScript
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67
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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 \ -- 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" } } } }

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 \ -- 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" } } } }
Install Server
A
security – no known vulnerabilities
F
license - not found
A
quality - confirmed to work

How are these scores calculated?

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

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