Claude Code is Anthropic’s agentic coding tool for reading codebases, editing files, running commands, and integrating with development tools from terminal, IDE, desktop, and browser surfaces.[1]
Anthropic documents multi-file feature work, bug fixing, testing, shell execution, Git workflows, and automation through the composable CLI.[1]
02
Extensions and coordination
CLAUDE.md supplies project instructions, while MCP, skills, hooks, plugins, custom agents, and agent teams extend or coordinate the tool.[1][2]
Choose the interface
Official interfaces
Use the documented interface that matches the deployment boundary, then pin the agent, model, permissions, and extension configuration before comparing results.[1][2]