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Announcing Mastra Platform

Studio, Server, and Memory Gateway. Everything you need to run your agents at scale.

Apr 9, 2026

We raised a $22M Series A to help every developer build agents

Mastra raises a $22M Series A led by Spark Capital, bringing total funding to $35M. Plus: the Mastra platform launches today.

Apr 9, 2026

Announcing Agent Editor

Edit agent instructions, tools, and display conditions from Studio with draft/publish versioning, or programmatically through the editor API.

Apr 8, 2026

Announcing Metrics and Logs

Mastra Studio now supports logs, traces, and metrics, so you can understand how your agents behave in production.

Apr 1, 2026

Mastra Changelog 2026-03-23

Token-aware model routing for observational memory, MongoDB-backed versioned datasets and experiments, Okta SSO auth with RBAC, workflow upgrades, tool suspension handling, and observability improvements.

Mar 23, 2026

Announcing Studio Auth: Secure, Team-Friendly Access for Deployed Mastra Studios

Secure your deployed Mastra Studio with login screens, third-party identity providers, and role-based permissions.

Mar 17, 2026

Mastra Changelog 2026-03-17

AI Gateway tool support in the agentic loop, more reliable observational memory, MCP client diagnostics and per-server control, and improved tracing with spanId, working memory and schema fixes.

Mar 17, 2026

Mastra Changelog 2026-03-13

Persistent agent workspace filesystem, observability pipeline upgrades, type-safe server route inference, lower token costs for long-running Observational Memory, and breaking changes to metrics, scores, and ObservabilityBus configuration

Mar 13, 2026

Mastra Changelog 2026-03-12

Cloudflare Durable Objects storage adapter,improved observability for MCP tooling, more reliable agent loops and token budgeting, sandbox and workspace extensibility via provider-specific getters and string PIDs

Mar 12, 2026

Safely Execute Untrusted Code with Remote Sandboxes

Three new sandbox providers for safely running agent code in isolated cloud containers.

Mar 11, 2026

Mastra Changelog 2026-03-11

Dynamic model fallback arrays, Standard Schema normalization with Zod v4 compatibility, customizable request validation for server adapters, and end-to-end RequestContext support for tracing and datasets/experiments.

Mar 11, 2026

Mastra Changelog 2026-03-05

Improve tool-call accuracy, MCP fetch hooks receive RequestContext, and reliability updates surface streaming errors, preserve history in stateless tool runs, and clean up orphaned vector embeddings.

Mar 5, 2026