Blog — Mar 2026 till Feb 2026
Updates, tutorials, and engineering deep-dives on building AI agents, workflows, and TypeScript tooling with Mastra.
Change, Run, and Compare with Experiments in Mastra Studio
Run test cases against agents and workflows, score the results, and track quality over time.
Mastra Changelog 2026-02-26
Supervisor pattern for multi-agent coordination, metadata-only vector queries, more flexible runEvals options, LSP diagnostics after workspace edits, and a new Blaxel sandbox provider.
Announcing Mastra Code: A coding agent that never compacts
An open-source TUI coding agent with observational memory that compresses context without losing it.
Mastra Changelog 2026-02-24
Background process management in workspaces and sandboxes, runtime tool configuration via Workspace.setToolsConfig(), and observational memory reliability and introspection improvements.
Mastra Changelog 2026-02-23
AST-based workspace edits, real-time streaming tool argument previews, built-in task tracking tools for Harness, and improved Observational Memory continuity
Mastra Changelog 2026-02-19
A new reusable Harness orchestration layer for agent apps, versioned workspaces and skills, pluggable blob storage, security and discovery upgrades, plus improved tool I/O and streaming behavior, including better chunk handling.
Introducing Datasets in Mastra Studio
Define test cases, run experiments, and track response quality for every change you make.
How to Structure Projects for AI Agents and LLMs
Learn how Mastra is optimized for modern AI systems, and how to implement a similar approach.
Mastra Changelog 2026-02-13
Datasets and experiments for evaluations, workspace and filesystem lifecycle improvements with safer introspection, and workflow foreach progress streaming.
Mastra Changelog 2026-02-11
Observational memory async buffering (default-on) with new structured streaming events, workspace mounts with CompositeFilesystem for unified multi-provider file access.
Mastra Changelog 2026-02-11
Observational memory async buffering (default-on) with new structured streaming events, workspace mounts with CompositeFilesystem for unified multi-provider file access.
Announcing Observational Memory
A human-inspired memory system that scores ~95% on LongMemEval — with a completely stable context window.
