Claude Code

Claude Code is Anthropic's CLI tool for working with Claude directly in your terminal. It reads your codebase, runs commands, edits files, and handles multi-step engineering tasks autonomously.

6 articles

One Claude Code Binary, Ten Different Agents — Shell Aliases as Workflow Modes Shell aliases that set model, effort level, and system prompt turn one Claude Code install into specialized agents for planning, review, coding, and content.
Write the Plan with One Agent, Break It with Another — The Review Loop That Catches Real Bugs One Claude session can't review its own work. A second session with a different system prompt finds critical gaps in under 60 seconds.
Claude Code's Deny Rules Don't Protect You — Here's What Actually Does Deny rules only block Claude's built-in tools. Bash subprocesses bypass them entirely. Sandbox mode is the real security boundary.
Official AI Agent Skills Are Here — Install Stripe and Cloudflare Best Practices in One File Companies now ship SKILL.md files that encode their engineering team's best practices. Here's which ones exist and how to install the three that matter most.
MCP Tool Schemas Accept Plain Objects — But Only Zod Actually Works The MCP SDK silently accepts plain JSON Schema objects for tool parameters. Inputs arrive as undefined. Only Zod schemas validate at runtime.
Your MCP Server Isn't Broken — Your Config Is in the Wrong File Claude Code silently ignores env vars in settings.json for MCP servers. Move them to .mcp.json at your project root or nothing works.