
Overview
What is Morph for? Morph Fast Apply looks like a new edit_file tool you give your agent access to. That’s it. Claude will output lazily into this tool when it wants to make an edit. In the tools execution, the Morph API will merge the lazy edit output by Claude/Gemini/etc. into the file. If you like using Cursor - you already like the Fast Apply UX. Fast Apply is a concept used in Cursor.
How to use Morph Fast Apply
Try the API Playground
Test the Apply Model with live examples in our interactive playground
Next Steps
Ready to start building with Morph? Here’s what to do next:
Explore the Apply API
Learn about the Apply API endpoints for production use
Build Agentic Tools
Create edit_file tools for AI agents and development environments
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