Smart copy-paste operations for AI workflows - Save 60-90% tokens by avoiding full file regeneration
Ever needed to modify just a few lines of code but AI regenerated the entire file? The traditional approach wastes massive amounts of tokens:
- Manual copy-paste - Loses formatting and requires complex prompts
- Full file regeneration - AI rewrites 200 lines to change 3 lines
- No precise targeting - "Add a function after line 42" becomes guesswork
- Indentation nightmares - Manual formatting breaks code structure
AITokenSave-MCP solves this:
- ✅ Extract specific line ranges with surgical precision
- ✅ Insert content at exact positions with auto-indentation
- ✅ Replace code blocks without touching surrounding content
- ✅ Save 60-90% tokens in typical code modification tasks
1. Tell AI What You Need
"Add this Express route after line 15"
2. AI Uses Precise Tools
{
"tool": "insert-at-line",
"line": 15,
"content": "app.get('/api/users', ...)"
}3. Perfect Result
- ✅ Exact positioning
- ✅ Auto-indented code
- ✅ Zero regeneration
- ✅ 90% fewer tokens
| Task | Before (Full Regeneration) | After (Precise Tools) | Savings |
|---|---|---|---|
| Add function | 2000+ tokens | 200 tokens | 90% |
| Replace config | 1500+ tokens | 150 tokens | 90% |
| Extract snippet | 1200+ tokens | 100 tokens | 92% |
npx aitoken-save-mcpAdd to your claude_desktop_config.json:
{
"mcpServers": {
"aitoken-save": {
"command": "npx",
"args": ["aitoken-save-mcp"],
"transport": "stdio"
}
}
}npm install -g aitoken-save-mcp
aitoken-save-mcp{
"text": "source code",
"start_line": 10,
"end_line": 20
}{
"text": "original code",
"content": "new code",
"line": 25,
"replace_lines": 3
}{
"text": "source code",
"start_line": 5,
"end_line": 15,
"trim": true
}Express Route: insert-at-line with exact positioning → 90% token savings
Config Update: replace-lines targeting specific block → 87% token savings
Extract Function: extract-lines with perfect preservation → 85% token savings
# Copy-paste workflow
extract-lines: start_line=45, end_line=60
insert-at-line: line=25, content=extracted_code
# Smart positioning
line: 0 # Beginning line: -1 # End line: 42 # After line 42Minimal by Design: Only 3 tools, zero config, auto-indentation Built for Efficiency: ~50KB bundle, <5s install, memory efficient
# Development setup
git clone <repository-url> && cd aitoken-save-mcp
npm install && npm run devAuto-indentation: Detects surrounding code style automatically
Line numbering: 1-based indexing (line 1 = first line)
Language support: Works with any programming language
MCP compatibility: Claude Desktop, Cursor, VS Code, etc.
- Keep tools minimal and focused
- Auto-indentation must always work
- No breaking changes to existing tools
- Comprehensive examples for new features
MIT License - Free for commercial and personal use
⭐ Stop wasting tokens on full file regeneration - Start using precision tools!
Built for efficiency. Designed for developers. Optimized for AI workflows. 🤖✨