Not a chat window. Not a tab you switch to. Claude Code lives in your terminal
and writes, edits, and fixes your code directly.
HOW IT WORKS
Open your terminal
Type "claude" and press Enter
Tell it what to do
In plain English โ no code syntax needed
Review & approve
Claude shows you what it'll change before doing it
WHAT IT CAN DO
Describe what you want in plain English. Claude writes the function, component, or script โ then explains what it did.
Point it at a broken file. Claude reads the code, spots the issue, and patches it โ usually in under 10 seconds.
Got code that works but looks terrible? Claude cleans it up, renames variables, removes duplication โ keeps the logic intact.
Give it a function. Get back unit tests. Claude covers edge cases you'd forget to write yourself.
Drop into a new repo and ask "what does this do?" Claude reads the files and explains it in plain English.
"Add auth, update the database schema, and write the API endpoints." One instruction. Claude handles the whole chain.
BEFORE VS AFTER