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Overwrite

Pack your entire repo in a single prompt
Available on
VS CodeCursorCursorWindsurf
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See Overwrite in Action

Watch a two-minute guided tour of Overwrite’s structured AI workflows in action

Simple 4-Step Workflow

A better way to code with AI – fast, focused and effective.

Step 1: Select & Copy

Select & Copy

Pick your files, add a short brief, and copy a clean XML prompt – ready for any model.

Select & Copy Demo

What Can You Build With Overwrite?

Turn complex coding tasks into simple conversations.

QA & Code Review

Find security issues and code problems instantly

The Problem

Manual code review misses vulnerabilities across multiple files.

Overwrite Solution

AI finds security issues, weak patterns, and suggests fixes.

1Select Relevant Files

Selected files for: Security audit of authentication system
src/auth/login.ts
src/auth/middleware.ts
src/models/user.ts
src/routes/auth.ts
src/config/security.ts

2User Instruction

Find security vulnerabilities in this auth system. Check for SQL injection, XSS, weak passwords, and session issues.

3AI Analysis & Results

Security Analysis Report
🚨 CRITICAL: SQL Injection Risk in login.ts:23 ❌ Direct string interpolation in user query ✅ Fix: Use parameterized queries ⚠️ HIGH: Weak session configuration ❌ Missing httpOnly and secure flags ✅ Fix: Update session middleware ✅ GOOD: Password hashing implemented correctly ✅ GOOD: Input validation on registration ✅ GOOD: Rate limiting configured 📋 RECOMMENDATIONS: • Implement CSRF protection • Add request ID logging • Consider 2FA implementation

OPX: The XML Protocol That Powers Everything

Overwrite uses OPX (Overwrite Patch XML) to describe precise file operations. From creating new files to complex code patches, OPX makes AI-driven development predictable and reliable.

Create Files

Create a new utility module for string operations

1Before

File does not exist
File does not exist

2After

src/utils/strings.ts
export function titleCase(s: string): string {
  return s.split(/\s+/).map(w => (
    w ? w[0]!.toUpperCase() + w.slice(1) : w
  )).join(' ');
}

export function kebabCase(s: string): string {
  return s.toLowerCase().replace(/\s+/g, '-');
}

3OPX Command

<edit file="src/utils/strings.ts" op="new">
  <why>Create a string utilities module</why>
  <put>
<<<
export function titleCase(s: string): string {
  return s.split(/\s+/).map(w => (
    w ? w[0]!.toUpperCase() + w.slice(1) : w
  )).join(' ');
}

export function kebabCase(s: string): string {
  return s.toLowerCase().replace(/\s+/g, '-');
}
>>>
  </put>
</edit>

Creates a brand new file with the specified content.

Precise Control

Target exact code blocks with surgical precision. No guesswork, no broken code.

Safe Operations

Preview changes before applying. Built-in safety checks and undo support.

Universal Format

Works with any AI model. Standardized XML format ensures consistency.

Developer workspace with AI tooling

Try Overwrite now

Every great change begins with a good prompt

Install for VS CodeTry in Cursor/Windsuft
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