AI agent concepts, in plain language
Each entry includes a direct answer, practical checklist, common questions, and sources for verification.
What is an MCP server?
A plain-language explanation of MCP servers, their role in agent workflows, and what to check before connecting one.
What is an agent skill?
Learn how reusable agent skills package instructions, resources, and workflows for recurring tasks.
What is AGENTS.md?
Understand how AGENTS.md gives coding agents repository-specific setup, testing, and contribution instructions.
What is context engineering?
A practical definition of context engineering for agent workflows, including selection, structure, and evaluation.
What is tool calling?
Learn how models request structured tool actions and why validation, permissions, and result handling matter.
What is a local-first agent?
Understand local-first agent workflows, their trust boundaries, tradeoffs, and evaluation checklist.