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AI Daily Brief — 11 April 2026

A focused Saturday update from OpenAI: the Codex CLI ships voice control via Realtime V2 and adds Model Context Protocol support — matching the connector-based access pattern previously limited to Claude-side and other MCP-enabled clients.

Top stories

  • OpenAI Codex CLI — voice + MCP. The CLI’s new Realtime V2 voice mode lets developers drive Codex by speech; the MCP integration opens it up to external tool servers, databases and APIs over the standardised protocol. via Fazm

Quiet corners

Open-source momentum continues from Wednesday’s Z.ai GLM-5.1. Industry attention turns to whether OpenAI matches Anthropic’s Mythos with a near-term GPT-5.5 preview.

By the numbers

  • MCP support adds one more major client to the protocol’s ecosystem

Compiled by AI Feed’s editor from publicly reported announcements on 11 April 2026.