MCP server frameworks compared: FastMCP vs the official Model Context Protocol SDKs vs alternatives - transports, auth, ergonomics, deployment. 2026 decision guide.
MCP server security architecture: tool poisoning, indirect prompt injection, OAuth 2.1, sandboxing, least privilege, and a defense-in-depth model for Model Context Protocol.
Multi-agent orchestration in 2026 — MCP for tools, A2A for agent-to-agent, LangGraph for stateful flows. Reference architecture, picking criteria, and production patterns.
Inside Anthropic Cowork mode — desktop agent architecture, MCP plugin model, sandboxed shell, computer use tier system, and how it differs from Claude Code in 2026.
How Anthropic Claude Skills inject narrow, on-demand capabilities into production LLM agents without bloating the system prompt. Architecture, patterns, trade-offs.