Claude Code 2.0: The Only Guide You Need

The latest version of Cloud Code, 2.0, introduces significant enhancements, including a complete rewrite of its VS Code extension and CLI. Key new features allow users to access previous checkpoints, monitor current usage and context window, and search past prompts. The update also brings a VS Code extension with powerful integrated features and a CLI that offers even more advanced capabilities, including the ability to interact with various MCP servers.

A notable addition is the /context command, which visualizes current context window usage, detailing token allocation for system prompts and available free tokens. Users can also switch between models, with Sonnet 4.5 being the recommended default for complex tasks, especially when the "thinking" mode is enabled. The CLI version further expands functionality by offering more commands than the VS Code extension, with options like /model, /context, /usage, /controlr for searching conversations, and /revine to revert to previous checkpoints, akin to version control history.

Furthermore, Cloud Code 2.0 integrates with MCP servers, enabling advanced functionalities like security vulnerability scanning. By connecting a locally running Sneak MCP server, users can scan their codebase for vulnerabilities. The tool can then generate a plan to mitigate these issues, emphasizing the benefit of using "plan mode" for creating and reviewing detailed mitigation strategies before implementation.

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