MCP-exa-code

exa-code

exa-code 介绍

https://github.com/exa-labs/exa-mcp-server

引入 exa-code，这是消除 LLM 代码幻觉的一大步。索引了超过 10 亿个文档页面、Github 代码库、StackOverflow 帖子等。给定一个查询，exa-code 会对这些数据进行混合搜索，将其分块，然后返回一个连接起来的、高效标记的字符串。在我们的代码幻觉评估中，exa-code 的表现优于所有流行的网络搜索工具（包括 Exa！）。

幻觉率排行，值越低表示幻觉率越低：

安装

Claude Code

• Local

# Mac
claude mcp add exa -e EXA_API_KEY=YOUR_API_KEY -- npx -y exa-mcp-server

# Windows

# 安装exa
npm install -g exa-mcp-server

# 添加MCP
claude mcp add exa "npx exa-mcp-server" -e EXA_API_KEY=d76cdd43-dc02-4804-8cba-ae85b77xxx

• 官方 (需要填写 API_KEY)

https://mcp.exa.ai/mcp?exaApiKey=YOUREXAKEY

claude mcp add --transport http exa "https://mcp.exa.ai/mcp?exaApiKey=8d52e07c-1ef3-4f7f-ab76-9e38b9218aa4"

获取 ApiKey: Exa API Dashboard

• Remote (smithery.ai)，不需要填写 API_KEY

https://smithery.ai/server/exa?code=c417056e-ea72-44d7-8f6c-cb7ac5080031

claude mcp add --transport http exa "https://server.smithery.ai/exa/mcp?api_key=fa231676-570f-429a-96f3-a2322e7db27b&profile=satisfactory-condor-MGWY80"

Available Tools

Tool	Description
get_code_context_exa	NEW! Search and get relevant code snippets, examples, and documentation from open source libraries, GitHub repositories, and programming frameworks. Perfect for finding up-to-date code documentation, implementation examples, API usage patterns, and best practices from real codebases
web_search_exa	Performs real-time web searches with optimized results and content extraction
deep_researcher_start	Start a smart AI researcher for complex questions. The AI will search the web, read many sources, and think deeply about your question to create a detailed research report
deep_researcher_check	Check if your research is ready and get the results. Use this after starting a research task to see if it’s done and get your comprehensive report
company_research	Comprehensive company research tool that crawls company websites to gather detailed information about businesses
crawling	Extracts content from specific URLs, useful for reading articles, PDFs, or any web page when you have the exact URL
linkedin_search	Search LinkedIn for companies and people using Exa AI. Simply include company names, person names, or specific LinkedIn URLs in your query

使用

在 prompt 后加上 use exa 即可；不加的话也可能能识别，但也有可能不识别，可能用 context7

示例

Code Search Examples

Show me how to use React hooks with TypeScript use exa

• “Find examples of how to implement authentication with NextJS”
• “Get documentation and examples for the pandas library”

Other Search Examples

• “Research the company exa.ai and find information about their pricing”
• “Start a deep research project on the impact of artificial intelligence on healthcare, then check when it’s complete to get a comprehensive report”