TL;DR
The terms that matter for agents in 2026 — agent, MCP, A2A, RAG, Constitutional AI, LangGraph / CrewAI / AutoGen, and the 8 primitives on which agentic firms are built — defined with direct quotes from Anthropic, Google, NIST, the EU Commission, and Gartner. Foundational entries are flagged Foundational; live regulation is flagged In force; brand-new vocabulary is flagged Emerging 2026; contested entries carry a counter-claim. Use the search and category tabs below.
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