Mysti is a tool that allows users to have two selected AI agents analyze code and integrate the optimal solution through a process of discussion. The author, identifying as Baha, explains that it operates using existing subscriptions and CLI tools alone.
Mysti Released as Code Integration Tool Utilizing Dialogue Between Multiple AI Agents Including Claude and Codex
This article is a translation. Read the Japanese original
The processing flow proceeds from the submission of a prompt to individual analysis by each agent, mutual debate, and finally the output of an integrated solution. It is characterized by the ability to capture edge cases from multiple perspectives, as different models have different training data and blind spots.
Technically, it is built using TypeScript and the VS Code Extension API, with a configuration that calls CLI tools such as claude-code and codex-cli. The license is BSL 1.1, which is free for personal and educational use, and it is planned to transition to MIT in 2030.
Sources: Show HN: Mysti – Claude, Codex, and Gemini debate your code, then synthesize（HN 216pt・178コメント） (HN Search (backfill), 2025-12-23)