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Tyler Barnes

@tylbar • 1,925 subscribers

Founding Engineer @mastra, formerly staff+ engineer @netlify and @gatsbyjs

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🚨 Announcing a new SOTA memory system, Observational Memory (OM), available in latest Mastra version now. It achieves the highest scores ever recorded on LongMemEval (gpt-4o 84.2%, gpt-5-mini 94.9%) No RAG, no graphs, no input based retrieval, just a simple constantly evolving text blob that outperforms every other memory system available. 🧵1/4

🚨 Announcing a new SOTA memory system, Observational Memory (OM), available in latest Mastra version now. It achieves the highest scores ever recorded on LongMemEval (gpt-4o 84.2%, gpt-5-mini 94.9%) No RAG, no graphs, no input based retrieval, just a simple constantly evolving text blob that outperforms every other memory system available. 🧵1/4

146,282 views • 8 months ago

🚨 Announcing a new coding agent that rivals Claude Code but with no compaction needed 🚨 The feeling of using it: run your coding sessions forever, don't worry at all, and get shit done! We're calling it Mastra Code, it's powered by Mastra's new observational memory, and we've been using it internally Mastra to do all our work 1/4 🧵

🚨 Announcing a new coding agent that rivals Claude Code but with no compaction needed 🚨 The feeling of using it: run your coding sessions forever, don't worry at all, and get shit done! We're calling it Mastra Code, it's powered by Mastra's new observational memory, and we've been using it internally Mastra to do all our work 1/4 🧵

66,748 views • 7 months ago

I'm excited to share we're shipping a new model router at today! Use 600+ models from 45 providers with a single API 🧵

I'm excited to share we're shipping a new model router at today! Use 600+ models from 45 providers with a single API 🧵

56,381 views • 1 year ago

🚨We shipped a new context engineering primitive Mastra today, Agent Signals! (alpha) 🔓Unlocks: multiplayer steering, dynamic cacheable system prompts, agent notifications (gh/email/etc), and automatic behavior guidance 🧵

🚨We shipped a new context engineering primitive Mastra today, Agent Signals! (alpha) 🔓Unlocks: multiplayer steering, dynamic cacheable system prompts, agent notifications (gh/email/etc), and automatic behavior guidance 🧵

25,265 views • 4 months ago

Introducing ’s MCP documentation server: turn any AI assistant or IDE that has MCP support ( Cursor, @windsurf, Cline, etc ) into an expert on Mastra’s complete knowledge base.

Introducing ’s MCP documentation server: turn any AI assistant or IDE that has MCP support ( Cursor, @windsurf, Cline, etc ) into an expert on Mastra’s complete knowledge base.

52,426 views • 1 year ago

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