msgblast: Open-Source Mac App to Blast One Prompt to Multiple AI Agents
msg · x · 2026-10-28
msgblast, an open-source Mac app, lets you send the same prompt to multiple AI assistants at once and compare their answers side by side — showing where agents agree, where they differ, and who to continue the conversation with.
It supports three kinds of integrations: web assistants (ChatGPT, Claude, Grok, etc.), existing chat agents in Messages (Instinct, Fo, Szn, etc.), and local CLIs (Codex CLI, Claudeude Code, OpenClaw). The app is free, open source, and includes an agent directory for discovering new assistants.
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