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Mastra

used in
4
stacks

TypeScript-first agent framework with workflows, RAG, memory, evals.

open source free https://mastra.ai ↗ repo ↗ 
Mastra is a popular TypeScript framework spanning agents, workflows, RAG, memory, evals, and observability. Provider-agnostic. Popular with teams on the Node/Vercel ecosystem.

Strengths

  • First-class TypeScript / Node ergonomics
  • Provider-agnostic from day one
  • Batteries-included (RAG, memory, evals)

Tradeoffs

  • Younger ecosystem vs LangChain/LangGraph
  • Less Python community overlap

Used in 4 stacks

Reference: Contract Extraction Pipeline reference
document-processing
Reference: Brand-Voice Content Generation reference
marketing-content
Public: Mastra cookbook RAG reference researched
rag-over-docs
Reference: Mid-Scale RAG Over Internal Docs reference
rag-over-docs

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