import requests

def search_github(query, max_results=3):
    url = f"https://api.github.com/search/repositories?q={query}&sort=stars&order=desc"
    response = requests.get(url)
    if response.status_code == 200:
        items = response.json().get('items', [])[:max_results]
        repo_data = []
        for item in items:
            readme_url = f"https://raw.githubusercontent.com/{item['full_name']}/main/README.md"
            readme_content = "README not found."
            r_readme = requests.get(readme_url)
            if r_readme.status_code == 200:
                readme_content = r_readme.text[:1500]
            
            repo_data.append({
                "name": item['full_name'],
                "description": item['description'],
                "url": item['html_url'],
                "stars": item['stargazers_count'],
                "readme": readme_content
            })
        return repo_data
    return "Failed to search GitHub."