Agents
Context Isolation
Context isolation gives each delegated unit of work its own scoped context window.
The boundary between units carries a structured handoff, not the parent's raw transcript.
That handoff states what was asked, what was decided, and what is still open.
What crosses the boundary is an explicit allowlist, not an open channel.
Skipping isolation is a common, quiet source of an agent doing the wrong thing for unexplained reasons.
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Agent (Agentic AI) An agent is an LLM given a loop, memory, and tools it can call. Tool Calling Tool calling lets a model request a structured action instead of only generating text. Model Context Protocol (MCP) MCP is an open standard for connecting LLM applications to tools and data sources. Tool Contract A tool contract is the schema a tool exposes to a model.