Claude Code is Anthropic’s agentic coding tool: instead of copy-pasting snippets into a chat window, you let Claude work directly in your codebase, terminal, and IDE, running commands, editing files, and shipping changes. Here’s how developers get the most out of it.
What Claude Code actually is
It’s a command-line tool (with IDE integrations) that turns Claude into a hands-on coding agent. You describe what you want, and it reads your project, plans, edits files, runs tests, and iterates, asking before it does anything risky. There’s also a Claude Agent SDK for developers who want to build their own custom agents on the same foundation.
7 Claude Code tips and secrets
1. Give it a CLAUDE.md
Drop a CLAUDE.md file in your repo with your conventions, architecture notes, and “how we do things here.” Claude Code reads it automatically, so every session starts with your context instead of generic guesses.
2. Use plan mode before big changes
For anything non-trivial, have Claude propose a plan first and approve it before it touches code. You catch wrong turns before they become commits.
3. Delegate to subagents
Spin up focused subagents for parallel or specialized work, like a dedicated reviewer or an explorer that searches a large codebase, so the main thread stays clean and fast.
4. Add Skills and MCP servers
Skills package reusable expertise; MCP (Model Context Protocol) servers connect Claude Code to external tools and data sources. Together they let it work with your real stack, not just files on disk.
5. Wire up hooks
Hooks let you run your own commands at key moments, for example auto-formatting or running tests after every edit, so quality checks happen without you asking.
6. Build your own slash commands and plugins
Turn repeated workflows into custom slash commands, and bundle commands, skills, and MCP servers into installable plugins to share across your team.
7. Let it run the tests
Don’t just ask for code, ask Claude Code to write it, run the test suite, read the failures, and fix them. The agentic loop is where it shines.
Commands worth trying
Review the changes on this branch for bugs, security issues, and missing tests. Group findings by severity.
Find every place we call the old payments API and list the files. Don’t change anything yet, just give me the plan.
Write unit tests for this module, run them, and fix anything that fails until they pass.
The bottom line
Claude Code is most powerful when you treat it as an autonomous teammate with guardrails: give it context (CLAUDE.md), make it plan, let it run tools, and review its work. Teams that adopt this loop ship faster with fewer regressions, which is exactly the kind of DevOps automation mindset modern engineering runs on.
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