Exa Web Search (Free)

Free AI search via Exa MCP. Web search for news and code search for docs and examples

Exa Web Search (Free) is a community skill for AI-powered web search, covering general information retrieval, news search, code documentation lookup, GitHub repository search, and Stack Overflow query integration for comprehensive knowledge discovery.

What Is This?

Overview

Exa Web Search provides AI agents with free access to advanced web search capabilities optimized for machine consumption through the Exa search API via Model Context Protocol. It covers general information retrieval that searches the public web for current facts, explanations, and reference material on any topic, news search that filters results to recent articles and breaking developments with time-based filtering options, code documentation lookup that finds API references, tutorials, and technical guides from official documentation sites, GitHub repository search that discovers open source projects, code examples, and implementation patterns matching specific technologies, and Stack Overflow integration that retrieves programming solutions, error troubleshooting guides, and community-validated best practices. The skill enables agents to access current information beyond training data cutoffs.

Who Should Use This

This skill serves AI agent developers adding real-time web knowledge, developers searching for code examples and documentation, and research automation tools requiring current information access.

Why Use It?

Problems It Solves

AI agents cannot answer questions about events or information published after their training data cutoff dates, limiting practical usefulness. Searching for code examples and documentation across multiple sources requires manual navigation and result filtering. Standard web search returns results optimized for human browsing with advertisements and formatting that wastes tokens when passed to language models. Building custom search integrations for documentation sites and developer resources requires significant engineering effort and API key management overhead.

Core Highlights

Web search engine retrieves current information optimized for AI consumption. News filter restricts results to recent articles with time-based queries. Documentation finder searches technical guides and API references efficiently. Code search discovers GitHub repos and Stack Overflow solutions.

How to Use It?

Basic Usage

from exa_search import search

results = search(
    'Python 3.13 new features'
)

for result in results:
    print(f'{result.title}')
    print(f'{result.snippet}\n')

news = search(
    'AI regulation Europe',
    category='news',
    days=7
)

Real-World Examples

docs = search(
    'FastAPI dependency injection',
    sources=['github', 'docs']
)

repos = search(
    'Rust async web framework',
    category='code',
    source='github'
)

for repo in repos:
    print(f'{repo.title}')
    print(f'Stars: {repo.stars}')

solutions = search(
    'JWT token validation error',
    source='stackoverflow'
)

Advanced Tips

Combine category filters with time ranges to build focused news monitoring agents that track specific topics with daily updates. Use source filters to search only authoritative documentation sites when accuracy matters more than breadth of results. Chain multiple searches with different filters to aggregate comprehensive results from web, code, and news sources into single reports.

When to Use It?

Use Cases

Build research assistants that answer questions using current web information beyond AI training cutoffs. Create developer tools that find code examples, documentation, and GitHub repositories matching specific technologies and frameworks. Develop news monitoring agents that track breaking developments in specific industries with automated daily summaries and trend analysis.

Related Topics

Web search APIs, AI-powered search, code discovery, documentation lookup, news monitoring, information retrieval, and knowledge augmentation.

Important Notes

Requirements

Exa API access configured through Model Context Protocol integration for search functionality. Network access to Exa API endpoints for submitting queries and retrieving results. Understanding of search query formulation to get relevant results matching your information needs.

Usage Recommendations

Do: use category filters to separate general knowledge searches from news and code queries for better relevance. Specify time ranges for news searches to get the most recent information available. Combine multiple search sources to aggregate comprehensive results covering different information types and perspectives.

Don't: rely on search results for critical decisions without verifying information from authoritative primary sources. Send sensitive queries since search terms are processed by external servers. Assume all web content is indexed since some sites block crawlers or require authentication access.

Limitations

Free tier usage may have rate limits restricting the number of queries per hour or day. Search results depend on web indexing and may not include very recently published content. Result quality varies based on query specificity and available indexed content for specialized topics. Some websites require authentication or block crawlers, making their content unavailable through search APIs.