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Ai Code Assistant
Act101ai
Last updated: June 1, 2026
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Act101ai

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Introduction:
Act101ai is the first development tool that enables AI agents to refactor and port code seamlessly across multiple programming languages.
Launch Date:
March 31, 2026
Social links:
Monthly Visits:
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Inputs:
Code
Outputs:
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Act101ai Overview

What is Act101ai?

Act101ai is the first development tool that empowers AI agents to refactor and port code effectively. It operates as a Model Context Protocol (MCP) server, providing an extensive suite of functionalities including 183 AST-aware refactor operations, 30 codebase analyzers, and 8 porting operations. This innovative tool allows AI agents to perform complex code transformations across 163 different programming languages, making it a versatile solution for modern software development challenges.


How to use Act101ai?

  1. Install Act101ai by executing the provided installation command for your operating system.
  2. Register Act101ai with your preferred AI coding platform, such as Claude Code or Codex, by following the specific plugin installation instructions.
  3. Utilize the built-in commands to invoke various agent skills, such as refactoring or porting code, by typing the relevant skill name in your coding environment.
  4. Monitor the operations and results, with the ability to undo any changes instantly if needed.

What are the main features of Act101ai?

  • Supports 163 programming languages for comprehensive codebase coverage.
  • Offers 183 AST-aware refactor operations including extract-function, rename, and inline.
  • Provides 30 codebase analyzers to assess aspects like coupling, cycles, and dead code.
  • Enables 8 porting operations for seamless language migration.
  • Features a built-in MCP server for integration with various AI coding agents.
  • Allows for automatic checkpointing and instant undo on operations to ensure code integrity.
  • Token-efficient operations that save up to 85% in token usage compared to traditional file-based queries.

Who is Act101ai for?

Act101ai is designed for software developers, engineers, and teams who require advanced code refactoring and migration capabilities. It is particularly beneficial for those working on large codebases or in need of transitioning between programming languages. With its powerful features, Act101ai serves individual developers, small teams, and larger enterprises looking to streamline their development processes and enhance code quality.


What are the use cases of Act101ai?

  1. Refactoring legacy codebases to improve readability and maintainability using AST-aware operations.
  2. Porting applications from one programming language to another, such as C to Rust or Ruby to Elixir, ensuring minimal disruption and preserving functionality.
  3. Analyzing codebases for structural issues like dead code and coupling to facilitate better architectural decisions.
  4. Automating the code review process with built-in agent skills to enhance team collaboration and efficiency.

Act101ai Pros and Cons

Pros

  • Comprehensive Refactoring Operations: Act101ai offers 183 AST-aware refactoring operations, enabling precise code modifications such as extract-function, rename, and move-symbol across multiple languages.
  • Multi-Language Support: The tool supports 163 programming languages, allowing users to refactor and port code between various languages like C to Rust and Ruby to Elixir.
  • Instant Undo and Checkpointing: Every operation in Act101ai is checkpointed, allowing for instant undo, which helps maintain code integrity during refactoring.

Cons

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Act101ai Pricing

Free

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Free forever for personal use. All queries, 3 analysis tools, rename and fix-auto. Personal, non-commercial, and open-source use. Includes 15 query operations, 3 analysis tools, rename + fix-auto, 163 grammars, and MCP server.

Pro

$159/year

Full mutation toolkit for individual commercial development. Includes everything in Free, 10 analysis tools, extract, inline, wrap, introduce + generate, and a commercial license for a single developer.

Teams

$299/year

Advanced structural analysis for serious refactoring work. Includes everything in Pro, 9 deep analysis tools, structural operations, full generate suite, and team license seats.

Elite

$759/year

Teams plus the 25 premium languages — COBOL, Fortran, Ada, Verilog, Solidity, and 20 more. Includes everything in Teams and 25 premium languages.

For the latest pricing, please visit this link: https://act101.ai/#pricing

Prices are subject to change. Please visit the official website for the most up-to-date pricing information.

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Act101ai Q&A

Act101ai is the first development tool that allows an AI agent to refactor and port code using 163 grammars, 183 AST refactor operations, 30 codebase analyzers, and 8 porting operations.

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