Agents / Company profile

Mastra

Company overview

What Mastra does

Mastra is a TypeScript/JavaScript-first agent framework and emerging agent infrastructure platform for building, evaluating, and operating AI agents in production. The core framework is open-source (Apache 2.0) and is positioned as a “modern TypeScript framework for AI-powered applications and agents,” with building blocks for agent/tool orchestration, memory, observability (logs, traces, evaluation datasets/experiments), and developer workflow (local dev/playground, CLI scaffolding, and templates).

Company monitoring

News

Company record

Sep 11, 2026 · Official · Mastra BlogIntroducing Filesystem Skills for Mastra Workspaces

Mastra announced reusable “filesystem skills” for multi-agent systems, including configuration options for shared or agent-scoped skills and support for multiple filesystem providers in a workspace.

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Sep 08, 2026 · Official · Mastra BlogIntroducing Filesystem Mounts for Mastra Workspaces

Mastra announced filesystem mounts so a single workspace can read/write to multiple filesystems using the same file interface, enabling teams to mix local and remote storage providers.

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Aug 05, 2026 · Official · Mastra BlogIntroducing Ephemeral Sandbox Deployments for Mastra Server and Studio

Mastra announced the ability to deploy Mastra Server/Studio projects to ephemeral sandboxes (starting with E2B, Daytona, and Vercel Sandbox) with configurable runtime limits and separate public URLs for Studio and API testing.

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Jul 01, 2026 · Official · Mastra BlogIntroducing File-Based Agents for Mastra

Mastra announced “file-based agents,” showing a structure for defining agents under a src/mastra/agents directory (as described in the post).

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Apr 09, 2026 · Official · Mastra BlogAnnouncing Mastra Platform

Mastra announced the Mastra platform, bundling Mastra Studio, Mastra Server, and Memory Gateway, and described Studio’s evals/logs/traces/datasets/metrics, Server’s deployment capabilities, and Memory Gateway for persistent memory via a gateway.

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Apr 09, 2026 · Official · Mastra BlogWe raised a $22M Series A to help every developer build agents (platform launch same day)

Mastra announced a $22M Series A led by Spark Capital (total funding to $35M) and described the same-day launch of Mastra Studio, Mastra Server, and Memory Gateway.

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Apr 09, 2026 · Official · Mastra BlogMastra raises $22M Series A led by Spark Capital (announcement page)

Mastra’s Series A announcement page reiterates that the Mastra platform launches the same day as the funding announcement, with Studio, Server, and Memory Gateway described as the platform components.

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Mar 17, 2026 · Official · Mastra BlogIntroducing Studio Auth: Secure, Team-Friendly Access for Deployed Mastra Studios

Mastra announced Studio Auth to add authentication and role-based permissions to deployed Mastra Studio instances that are shared via URL.

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Show 4 earlier updates

Feb 05, 2026 · Official · Mastra BlogIntroducing Mastra Skills

Mastra announced Mastra Skills, including documentation/markdown handling changes described in the announcement post.

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Oct 08, 2025 · Official · Mastra BlogAnnouncing our $13m seed round from YC, pg, Gradient, Amjad, Guillermo, Balaji, and 120+ others

Mastra announced a $13M seed round and included a detailed list of named investor participants in the post.

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Date not disclosed · Official · Mastra BlogAnnouncing Mastra 1.0!

Mastra announced release of Mastra 1.0, describing full support for AI SDK v6 (including LanguageModelV3 and ToolLoopAgent), as well as production usage signals and community stats cited in the announcement.

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Date not disclosed · Official · Mastra BlogIntroducing Mastra’s Agent Studio

Mastra announced “Mastra’s Agent Studio,” describing the Studio experience as it evolved toward production-oriented agent development and operations.

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Source map · 2 recurring channels · 38 references

Still resolving: Newsroom · Official X

Capital

Funding

Latest disclosed valuationNot disclosed

Tracked capital$35M2 sourced rounds

DateRoundRaisedValuationLead / investorsEvidence

Apr 09, 2026Series A$22M—

Spark Capital

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Oct 08, 2025Seed$13M—

Not attributed

+76 investors

Adrien Treuille · Streamlit Adrien Treuille (Streamlit)Alex Atallah · OpenSea Alex Atallah (OpenSea)Alex Chantavy · Subimage Alex Chantavy & Kunaal Sikka (Subimage)Alexey Taktarov · Fira Alexey Taktarov (Fira)Amjad Masad · Replit Amjad Masad (Replit)Arash Ferdowsi · Dropbox Arash Ferdowsi (Dropbox)Balaji Srinivasan · Network School Balaji Srinivasan (Network School)Bob Remeika · Ragie Bob Remeika (Ragie)Dan Robinson · Detail Dan Robinson (Detail)David Cramer · Sentry David Cramer (Sentry)Diogo Valdivieso · Waffle Flo Crivello · Lindy Flo Crivello (Lindy)Gabriel Kho Guillermo Rauch · Vercel Guillermo Rauch (Vercel)Hari Raghavan · Autograph Hari Raghavan (Autograph)Henry Liu · Span Henry Liu (Span)John Laxson (Reveal)Josh Schlisserman · stealth Josh Schlisserman (stealth)Kenny Stone · Plangrid Kenny Stone (Plangrid)Kulveer Taggar · Zeus Kulveer Taggar (Zeus)Kunaal Sikka · Subimage Lorcan O Cathain · Lua Lorcan O Cathain (Lua)Manuj Mishra · Waffle Manuj Mishra & Diogo Valdivieso (Waffle)Matt Lenhard (Stealth)Matt Slotnick · Poggio Matt Slotnick (Poggio)Michelle Valentine · Anrok Michelle Valentine (Anrok)Ozgun Erogan · Citus Paul Graham · YC Paul Graham (YC)Rafael Garcia · Clever Rafael Garcia (Clever)Ralph Gootee Ravi Chachra (8vdx)Rich Aberman · WePay Rich Aberman (WePay)Robin Choy · HireSweet Robin Choy (HireSweet)Ryan Noon · Material Security Ryan Noon (Material Security)Ryan Sutton-Gee Samvit Ramadurgam · Forge Samvit Ramadurgam (Forge)Shay Banon · Elastic Shay Banon (Elastic)Taro Fukayama · Fond Taro Fukayama (Fond)Tracy Young Trent Hazy · Flax Trent Hazy (Flax)Trevor McKendrick · Seis Trevor McKendrick (Seis)Tristan Handy · dbt Tristan Handy (dbt)Umur Cubukcu · Citus Umur Cubukcu & Ozgun Erogan (Citus)

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Products & focus

What it builds

Mastra (open-source framework)

Mastra provides an open-source TypeScript framework for building AI-powered applications and agents, including primitives for agent workflows and integration into a production workflow (e.g., observability/evals and deployable agent patterns).

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Mastra Studio

Mastra Studio is the collaborative workspace for developing and operating agents, including agent editor capabilities and production-oriented observability such as traces, logs, datasets/experiments, and metrics/cost tracking.

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Mastra Server

Mastra Server deploys Mastra agents and workflows.

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Memory Gateway

Memory Gateway provides state-of-the-art agent memory as a service so that applications and agents can obtain persistent memory via a gateway even when using frameworks other than Mastra’s core.

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People

Leadership

Sam BhagwatFounder & CEO Abhi AiyerCTO Shane ThomasCo-founder & Chief Product Officer

Operating signals

Key metrics

Team size35+ peopleSep 12, 2026 Headcount age noteTeam is spread across the globe; Mastra is based in San FranciscoSep 12, 2026 npm downloadsMillions of downloads each monthSep 12, 2026 Weekly npm downloads (historical comparison stated in seed post)From Oct 2024→Oct 2025: growth from ~190k weekly downloads (Gatsby baseline) to sustained ~150k weekly downloads for Mastra after one yearSep 12, 2026 GitHub stars~19.8k GitHub starsSep 12, 2026 GitHub contributors300+ contributorsSep 12, 2026 Discord community size~4,800 developers on DiscordSep 12, 2026 Weekly npm downloadsOver 300k weekly npm downloadsSep 12, 2026 Ongoing usage evidence cited in platform/1.0 postsMastra states teams at Replit, PayPal, Sanity, Marsh McLennan, and others have Mastra agents in production (examples cited in posts)Sep 12, 2026 Mastra platform components availableStudio (evals/logs/traces/datasets/metrics), Server (deploy agents/workflows), Memory Gateway (persistent memory via gateway) are described as available with free Starter tiersSep 12, 2026

Company history

Milestones & partnerships

Sep 11, 2026

Filesystem Skills for Mastra Workspaces

Mastra introduced filesystem skills as reusable skills for multi-agent systems.

↗Sep 08, 2026

Filesystem Mounts for Mastra Workspaces

Mastra introduced filesystem mounts so a workspace can access multiple filesystems via a unified interface.

↗Aug 05, 2026

Ephemeral sandbox deployments

Mastra introduced ephemeral sandbox deployments for Mastra Server and Studio on multiple sandbox providers.

↗Jul 01, 2026

File-based agents introduced

Mastra introduced file-based agents, including guidance for agent folder structure in a Mastra project.

↗Apr 09, 2026

Mastra platform launch (Studio, Server, Memory Gateway)

Mastra announced the Mastra platform and described the three platform components and what they provide.

↗Apr 09, 2026

Series A announced alongside platform launch

Mastra announced a $22M Series A led by Spark Capital alongside the platform launch.

↗Mar 17, 2026

Studio Auth introduced for deployed Studio instances

Mastra introduced authentication and role-based permissions for deployed Mastra Studio.

↗Feb 05, 2026

Mastra Skills introduced

Mastra announced “Mastra Skills,” positioned as reusable capabilities for agent systems.

↗Nov 14, 2025

Mastra moved to Apache 2.0 licensed framework (announced as a production-ready milestone)

Mastra’s announcements category includes a post noting the framework is now Apache 2.0 licensed.

↗Nov 14, 2025

Mastra v1 beta (production-ready release milestone)

Mastra’s announcements category includes a post announcing Mastra v1 beta.

↗Oct 08, 2025

Seed round announced

Mastra publicly announced the $13m seed round and included the named investor list.

↗Jan 01, 2024

Mastra started (company origin)

Mastra states it started in 2024 and emphasizes continuity with the earlier Gatsby team.

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