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Sam Bhagwat
Mastra
14.9K posts
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Sam Bhagwat
Mastra
@calcsam
building @mastra. author principles of building ai agents, the "most popular book in SF right now". prev cofounder @gatsbyjs
mastra.ai/book
Joined August 2012
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  • Pinned
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    Sam Bhagwat
    Mastra
    @calcsam
    Apr 9
    We’re excited to announce today that @mastra has raised a $22M Series A led by Spark Capital. This brings our total capital raised to $35M:
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    225K
  • user avatar
    Sam Bhagwat
    Mastra
    @calcsam
    Aug 1
    In July, we shipped 17 features: - real-time notif. - browser recording - custom signal providers - schedules - 1st-class skills - file-based agents - gates + verdicts - tool hooks - goals - memory extractors - agent factory - Trace Intelligence - Envs - Regions - rubric scorers
    7.6K
  • user avatar
    Sam Bhagwat
    Mastra
    @calcsam
    Jul 30
    Today we're excited to launch rubric scorers in Mastra The LLM-as-judge scores your agent's output as meeting (say) 7 of 11 criteria With failed checks getting fed back to the agent to re-run:
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    13K
  • user avatar
    Sam Bhagwat
    Mastra
    @calcsam
    Jul 29
    MASTRA LAUNCH WEEK RELEASE #3 *AND* #4 Incredibly stoked to announce Environments and Regions Deploy a project to prod, staging, and preview. Get three diff URLs, each w/ its own env vars and DB Pin it the US or EU, and your server, DB, and traces all live there together
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    5.8K
  • user avatar
    Sam Bhagwat
    Mastra
    @calcsam
    Jul 28
    Today we're incredibly excited to launch Trace Intelligence. Teams shipping agents can spend months reviewing traces. So we auto-group traces into clusters and identify common patterns. Watch how your agent is actually doing:
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    365K
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