Mysti: VS Code Extension Where Claude Code and Codex Debate Solutions Before Writing Any Code
GitHub·medium signal
Mysti (1,009 GitHub stars) runs Claude Code and OpenAI Codex as collaborative VS Code agents — Brainstorm Mode has them debate alternative solutions and synthesize a best approach before writing code. This applies adversarial review at idea generation rather than post-hoc, mirroring VSDD's cross-model adversary pattern but embedded in the IDE. The dual-agent pre-synthesis step may reduce the confident-but-wrong failure mode common in single-agent workflows.