Nov 21-27

Launch Week

A week of new features releases focused on collaboratively tracing, evaluating, and iterating on agents


Starting Thursday, November 21, we’ll ship one new feature every workday for five days straight.


Better Agents CLI

Build reliable AI agents with Better Agents CLI by LangWatch. Add AI agent testing, evaluations, prompt versioning, and structure to any framework and deploy production-grade agents with confidence.

Day 4: Tuesday, November 25

Read the blog post

Go to docs

Scenario MCP

Instead of manually writing tests, we'll have your back with Scenario MCP - writing tests automatically for you.

Day 3: Monday, November 24

Read the blog post

Go to docs

Voice Agent Testing just got real

Automated voice-to-voice scenario tests
with multi-turn conversations, timing, and realistic simulation.

Day 2: Friday, November 21

Changelog

Go to docs

Role-Based-Access Control

We’ve fully rebuilt RBAC in LangWatch to give teams fine-grained control across: Prompts Datasets, Traces, Evaluations. Projects and environments

Day 1: Thursday, November 20

Read the blog post

Changelog

Go to docs

Introducing Prompt Playground
Scaling agents with multiple prompts is hard.

We made it easier.
Version, test, and validate changes using real user conversations.