External Context Skill Fetch external documentation, references, and context for a query. Decomposes into 2-5 facets and spawns parallel document-specialist Claude agents. Usage Examples Protocol Step 1: Facet Decomposition Given a query, decompose into 2-5 independent search facets: Step 2: Parallel Agent Invocation Fire independent facets in parallel via Task tool: Maximum 5 parallel document-specialist agents. Step 3: Synthesis Output Format Present synthesized results in this format: Configuration - Maximum 5 parallel document-specialist agents - No magic keyword trigger - explicit invoca…