Exa MCP Skill

1. Clarify the research goal, scope, and output format. 2. Select one enabled tool using the guide below: `web_search_exa`, `web_search_advanced_exa`, `people_search_exa`. 3. Prefer the hosted Exa MCP endpoint with fixed tools in the URL query. 4. Return concise findings with links and explicit unknowns. 5. On rate limits (`429`), reduce query breadth or require an API key.