File Edit Tool - Let AI Modify Your Files
Makes targeted edits to existing files on your Mac. Unlike File Write which replaces entire files, File Edit performs surgical modifications - changing specific lines, adding sections, removing code, or updating values while preserving the rest of the file intact.
What It Does
Makes targeted edits to existing files on your Mac. Unlike File Write which replaces entire files, File Edit performs surgical modifications - changing specific lines, adding sections, removing code, or updating values while preserving the rest of the file intact.
Why It Matters
When an AI suggests a code fix, you normally have to find the right file, locate the right line, make the change manually, and hope you didn't break anything. File Edit automates this - the AI identifies what needs to change and makes the precise edit, keeping everything else untouched.
Example Prompts
Fix the null pointer exception on line 42 of src/utils/parser.ts Add error handling to the fetch call in api/users.js Update the database connection string in config.yaml to use the production host Refactor this function to use async/await instead of callbacks Add TypeScript types to all the function parameters in this file Remove all console.log statements from src/services/ Example Output
Edited: src/utils/parser.ts Changed line 42: - const value = data.items[0].name; + const value = data.items?.[0]?.name ?? 'unknown'; Added null check with optional chaining and fallback value.
Safety & Control
Every file edit requires your approval before being applied. The AI shows you a diff of what will change - exactly which lines are being modified, added, or removed. You can review the change and reject it if needed. The original file state is preserved in your editor's undo history or version control.
vs Other AI Apps
ChatGPT and Claude can suggest code changes, but you have to apply them yourself - finding the right file, locating the right lines, and making the edits manually. Chapeta's File Edit tool applies changes directly to your files with a clear diff preview. It's the difference between reading a recipe and having a chef cook for you.
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