Glossary
The vocabulary of shipping Claude Cowork.
Short, plain-language definitions of the terms that show up when you're rolling Claude Cowork out across a team — MCP servers, hooks, session replay, redaction, audit trails. Each entry links to the guide that goes deeper.
What is an MCP server?
An MCP server is a process that speaks the Model Context Protocol — exposing tools and resources to a Claude session. Each MCP a user installs adds a capability surface and a new audit boundary.
What is Claude Cowork?
Claude Cowork is Anthropic's sandboxed desktop agent runtime — a virtualized environment where Claude can read files, run tools, and execute multi-step work without leaving the user's machine.