Twitter/X

Redline is an open-source developer tool announced by @alexatallah on March 23…

Brief

Redline is an open-source developer tool announced by @alexatallah on March 23, 2026. Its core pitch is automatic reviews from Codex without leaving Claude Code, suggesting a tightly integrated code-review workflow. The tweet is brief, but it clearly frames Redline as a GitHub-hosted project for developers who want cross-model review inside their existing environment.

Source evidence

title: @alexatallah: Just open-sourced a personal project, Redline:

Automatic reviews from Codex, without leaving Claude...
author: @alexatallah
contenttype: tweet
publication: Twitter/X
published: 2026-03-23T15:16:57+00:00
source
url: https://x.com/alexatallah/status/2036099891878047994

word_count: 23

Just open-sourced a personal project, Redline:

Automatic reviews from Codex, without leaving Claude Code. github.com/alexanderatallah/…

A few design choices to be aware of: