Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs

Re:Show HN: Mastra 1.0, open-source JavaScript agent framewo... by scirob on Wednesday January 21, 2026 @11:45AM (#46708111)

Happy you guys are moving forward. Just to make the comment section a bit more balanced wanted to give my xp. Mastra is by design batteries included and opinionated when you don't fit into an existing pattern it is difficult to keep being productive. In our system several times we have needed to go out and create our own hono routes. We are currently have someone rebuilding everything with langgraph/langchain and will then write a detailed comparison.

For sure lots of good ideas in mastra, and happy that its JS TS first, I think you'll will continue to grow becuase of the TS first approach

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Re:Show HN: Mastra 1.0, open-source JavaScript agent framewo... by asaiyer on Wednesday January 21, 2026 @04:17PM (#46711679)

Thanks for the feedback! Our mission with Mastra is to make sure users can get further faster with the standard primitives of AI engineering! We learned over the last year that while we want to be opinionated, users need to be able to eject and adapt Mastra however they want! We added server adapters so users didn’t have to deal with our opinions on esbuild, we made storage more configurable and extendable, and invested more into our workflows engine which will be the foundation for distributed execution in the future! We are always willing to hear feedback and welcome changes! Would love to know what you learn from the langchain comparison and happy to improve Mastra from it! Thanks!

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