February 20th, 2026

Clerk Chat MCP Server

We’ve launched Clerk Chat MCP server. You can now use our features right in ChatGPT and Claude. The Clerk Chat MCP Server now supports OAuth 2.0 with PKCE for improved security. Documentation is available at https://docs.clerk.chat/integrations/mcp, and early access is available by contacting sales@clerk.chat.

Background & Thinking Noises for AI Agents

You can now configure background and thinking noises for AI agents directly in Inbox Voice Settings, including independent volume controls. Background noise plays continuously during a call, while thinking noise plays when the agent is generating a response.

Speak Tool (Deterministic Audio in Agent Flows)

The new Speak Tool allows you to play deterministic text or audio at any point in an agent flow. This ensures specific messages are delivered exactly as written when precision and consistency are required.

Voice Previews in Inbox Settings

You can now preview voices directly from Inbox Voice Settings before selecting or saving a model. Simply click the play button next to a voice to hear a sample instantly.

New Voice LLM Option: Claude Haiku 4.5

Anthropic Claude Haiku 4.5 is now available as a voice LLM option. This model offers fast, high-quality responses optimized for voice interactions.

Twilio Call Recording Support

Twilio is now supported as a provider for call recording. This enables more flexible voice and call recording workflows.

Language Selection in Call Tester

The Call Tester now supports language selection. This makes it easier to test and validate multilingual voice experiences.

Improved LLM Variable Support

LLM variables now work more reliably across objects and skills, including embedded objects. This improves flexibility when building dynamic agent logic.