Blog — Aug 2025 till Jul 2025
Updates, tutorials, and engineering deep-dives on building AI agents, workflows, and TypeScript tooling with Mastra.
Mastra Changelog 2025-08-08
Introducing Scorer API, critical fixes for message handling and parallel workflows, plus improvements to memory filtering and type safety across the board. Plus, we're announcing our first ever conference: TypeScript AI
Introducing Scorers in Mastra
We're excited to announce the release of scorers in Mastra, a new way to evaluate and rank the quality of your agent's responses.
Building low-latency guardrails to secure your agents
How we built a suite of out-of-the-box input processors and optimized them from 5000ms to under 500ms per request.
Mastra Changelog 2025-07-30
Improvements to Agents, Memory, and more.
Nested streaming support in Mastra
Mastra's nested streaming support provides real-time visibility into agent and workflow execution, with comprehensive cost tracking and a unified messaging interfaces.
Mastra Changelog 2025-07-24
Introducing Mastra Templates, MASTRA.BUILD hackathon, StreamVNext protocol, complete eval scores system, and major improvements across the board.
Introducing Mastra Templates
Announcing Mastra Templates: pre-built, production-ready, customizable agent and workflow projects. Plus: join our MASTRA.BUILD hackathon to create and showcase your own templates.
Mastra Changelog 2025-07-17
New memory improvements, new CLI templates, reasoning display in playground, and major improvements across the board.
Yes, you can use RAG for agent memory
How we spent $8k to prove RAG isn’t dead
Mastra is now Apache 2.0 licensed!
Mastra is now licensed under Apache 2.0, making it easier for everyone to use, modify, and contribute.
Mastra Changelog 2025-07-09
Mastra is now Apache-2.0 licensed, Playground goes multi-modal, new memory and RAG features, and more.
Mastra Changelog 2025-07-03
Agent Network (vNext), workflow cancellation, and custom memory model support highlight this week's Mastra updates.