18+ hour, 22+ min ago   (138+ words) Mastra Wraps a server-sent events Response so it emits periodic: heartbeat comments while the underlying stream is idle. Proxies and load balancers often close connections that send no bytes for a while, which drops responses during long reasoning bursts or…...

5+ day, 17+ hour ago   (310+ words) Mastra supported AI SDK v7 from the day it was released, June 25, 2026. Since then we've continued to support and improve the overall end-to-end developer experience. AI SDK v7 introduced a new provider spec (LanguageModelV4), a top-level reasoning parameter, and a number of API…...

1+ week, 3+ day ago   (1069+ words) An AI code review tool examines source changes and reports possible defects, security problems, policy violations or missed requirements. This piece ranks six of them by how well they understand code beyond the diff and how much control a team…...

1+ week, 3+ day ago   (1542+ words) AI calendar assistants automate schedule planning and time management, and they split into booking and routing tools, conversational schedulers, calendar optimizers, task planners and meeting-workflow assistants. This piece compares seven of them and the features each one offers. Why schedule…...

1+ week, 5+ day ago   (75+ words) Executes commands in isolated Blaxel cloud sandboxes. Provides secure, isolated code execution environments with support for mounting cloud storage (S3, GCS) via FUSE. For interface details, see WorkspaceSandbox interface. Add a BlaxelSandbox to a workspace and assign it to an agent:…...

1+ week, 6+ day ago   (101+ words) Isabelle Ilyia, co-founder and CTO of Cedar (YC W25), joins Shane and Abhi to demo Cedar Copilot — the AI-native "Superhuman for sales," built on Mastra from day one. Cedar started as an open-source framework for agentic frontends. Isabelle walks through the…...

4+ week, 2+ day ago   (193+ words) Shane and Abhi are live from London this week, and the big one is Kimi K3 — a 2.8 trillion parameter open frontier model with a million-token context window that lands right next to Fable 5 on the benchmarks, takes the number one spot on…...

1+ mon, 1+ week ago   (1739+ words) A governed, observable system where specialized agents own the repetitive work of software development, and humans own the judgment. Your software engineers already run coding agents to fix bugs and build new features. Their job has reduced to triggering new…...

1+ mon, 1+ week ago   (114+ words) AI-ROUTER Mastra Access 5 AI-ROUTER models through Mastra's model router. Authentication is handled automatically using the AI_ROUTER_API_KEY environment variable. Mastra uses the OpenAI-compatible /chat/completions endpoint. Some provider-specific features may not be available. Check the AI-ROUTER documentation for details. ModelsDirect link to…...

1+ mon, 3+ week ago   (1622+ words) A long-running agent is a durable record that short-lived processes take turns with. This walks through why a context window is not a persistence layer, the three granularities of persistence, how Mastra checkpoints a run to JSON and resumes it…...