Claude Mods arrive for testing in Claude Code, Dario Amodei calls for slowing frontier model progress and Cohere pushes back, ElevenLabs opens its MCP to creation
September 14: Boris Cherny announces that Claude Mods, available for testing since the 9th, are arriving in Claude Code, Aidan Gomez (Cohere) challenges the three-step plan published on the 12th by Dario Amodei to slow frontier model progress, and ElevenLabs opens its MCP to voice, music, images, and videos.