Directory / Agent Frameworks & Builders
Mastra
The Javascript framework for building AI agents, from the Gatsby devs
Headcount
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——3m · 6m
X followers
15K
——7d · 30d
src: X API public metrics 2026-11-04
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// profile
Product
- Agent type
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- Integrations
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- MCP support
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- HQ
- San Francisco, CA, USA; Remote
- Founded
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// capital
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// team
Hiring
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- Growth 3m / 6m
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- X mentions this week
- 157
- X handle
- @mastra
src: X API public metrics 2026-11-04
// x.com
Top launch posts
- Oct 28, 2026 · launch · 41 eng.You can't improve your agents if you can't see what's going wrong. So we shipped span queries. It's a new way for your coding agent to find, filter and fix problematic tool calls across every trace.
- Nov 2, 2026 · launch · 24 eng.Last week, we launched: 1/ Mastra Knowledge in early access 2/ Support for MCP events 3/ Span queries 4/ Observational Memory's score on BEAM 5/ Support for 7 new vector stores + a lot of smaller imp
- Oct 30, 2026 · launch · 15 eng.NEW: For display-only tools, set 𝚛𝚎𝚗𝚍𝚎𝚛𝙾𝚗𝚕𝚢: 𝚝𝚛𝚞𝚎 instead of defining 𝚎𝚡𝚎𝚌𝚞𝚝𝚎. https://t.co/bfulfU6Izw
// press
Recent news
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No news tracked yet
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// provenance
Sources
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- X metrics
- X API public metrics 2026-11-04
- X handle (homepage-verified)
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- x_buzz
- X API recent counts, 7 days to 2026-11-04
// faq
About Mastra
What does Mastra do?+
The Javascript framework for building AI agents, from the Gatsby devs