Mastra

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Mastra

Mastra

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

DR 75Speed 522024Active53San Francisco, United States
5.0 (1)

About

Mastra is an open-source framework designed for building AI agents using TypeScript and JavaScript. Developed by the team behind Gatsby, it provides a comprehensive suite of AI primitives, including workflows for complex operations, agents for autonomous decision-making, Retrieval Augmented Generation (RAG) for knowledge integration, and evaluation tools for quality assurance.
Frequently asked

What does Mastra do?

Mastra is an open-source framework designed for building AI agents using TypeScript and JavaScript. Developed by the team behind Gatsby, it provides a comprehensive suite of AI primitives, including workflows for complex operations, agents for autonomous decision-making, Retrieval Augmented Generation (RAG) for knowledge integration, and evaluation tools for quality assurance.

What is Mastra's revenue?

StartupHub estimates Mastra's annual revenue at $7.6M (range $3.9M to $22.1M, 65% confidence), based on comparable companies in the sector.

What is Mastra's valuation?

StartupHub estimates Mastra's effective valuation at $305.0M (range $89.2M to $431.2M, 55% confidence), based on comparable companies in the sector.

How much funding has Mastra raised?

Mastra has raised a total of $36M in funding. The most recent round on record is Series A.

Where is Mastra headquartered?

Mastra is headquartered in San Francisco, United States.

When was Mastra founded?

Mastra was founded in 2024.

What industry does Mastra operate in?

Mastra operates in Agentic AI, AI Agents, Developer Tools, Open Source, Framework, TypeScript.

How many employees does Mastra have?

Mastra has approximately 53 people on record.

HEADCOUNT
53
DOMAIN RATING
75
New entrants in AI Agents
Last 90 days
3
New entrants
1.0
Per month
0.2
Per week

An entrant is a company tagged AI Agents whose domain was first registered in the window, counted from registry records in the StartupHub directory. Registry detection runs two to three weeks behind registration, so recent weeks are a floor.

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