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act101

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tree-based navigation, semantic refactoring, codebase analysis, and language porting tools for coding agents supporting 163 grammars

Byact101
LaunchedFriday, May 22, 2026

What is act101?

act101 is an advanced development tool that enables AI agents to refactor and port code across multiple programming languages efficiently. It provides language-aware code operations, allowing seamless code transformations without losing context or comments.

How to use it

To use act101, install the app and set up the built-in MCP server for your preferred AI coding client. You can then invoke various agent skills using simple commands, such as '/skill-name', to perform refactoring, porting, or analysis on your codebase. The agent will execute operations with automatic checkpointing and instant undo features.

Background

Developed as a pioneering solution in AI coding tools, act101 integrates 163 grammars and numerous refactor operations to streamline the coding process. It focuses on providing structural analysis and language migration while ensuring that users maintain control over their code. The app operates entirely locally, minimizing security risks and preserving user privacy.

Frequently Asked Questions

What programming languages does act101 support?

act101 supports 163 programming languages, allowing for diverse code refactoring and porting operations across various coding environments.

Is my code safe when using act101?

Yes, your code remains on your machine while using act101, ensuring that it stays private and secure without any telemetry or external data sharing.

Can I undo operations performed by the AI agent?

Yes, act101 features instant undo functionality, allowing you to revert any changes made by the AI agent if something doesn't look right.

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