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Agents2026-08-27 · source-backed
@mastra/[redacted], released August 26, adds an optional SandboxComputer capability to workspaces covering screenshots, mouse and keyboard control, display info and wait tools, with providers in @mastra/daytona and a new @mastra/e2b-desktop package bundling E2B command, process and filesystem access plus authenticated noVNC (GitHub). Sandboxes now own a runtime env via MastraSandbox({ env }), and Mastra.shutdown() stops rather than destroys remote sandboxes while Workspace.stop() supports suspend and resume without teardown. Two breaking changes to read: Mastra Code LSP is opt-in behind "lsp": true, and persistPartialOnAbort is gone because canceled runs now retain transcript history unconditionally.
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A spec is a press release until someone who didn't write it implements it. GitHub made Agent Plugins 1.0 generally available on August 12 across VS Code, Copilot CLI, the Copilot SDK, and the Copilot app on all plans. The spec, published August 6, was co-authored by AWS, Anysp...
Firecracker + CoW mmap forking spawns KVM-isolated sandboxes in 0.79ms p50 with 265KB memory per instance — versus E2B's ~150ms and ~128MB. At this scale, sandboxed code execution becomes viable inside interactive agent loops where latency directly impacts UX. GitHub ---
Three things happened this month that only make sense together. Agent Plugins 1.0 shipped co-signed by six competitors: AWS, Anysphere, Microsoft, OpenAI, Vercel and Google (GitHub Changelog). It makes skills-plus-MCP bundles portable across clients. OpenAI's August 11 Codex c...
If you wrote an MCP server before July, it's on a protocol shape the maintainers have already removed. Not deprecated-with-a-migration-window. Removed from the spec. MCP lead maintainers David Soria Parra and Den Delimarsky published an updated roadmap on August 22, and the re...
Six clients. One manifest. Zero vendor lock. Vercel published Agent Plugins 1.0.0 on August 6, an openly licensed spec that bundles Agent Skills and MCP servers behind a single portable manifest. The shape is deliberately boring: a plugin.json requiring only schemaVersion and...
The TypeScript framework added a v1 ToolProvider runtime for managing OAuth-backed connections, @mastra/mysql as a first-class storage backend, and a VercelMicroVMSandbox built on ephemeral Firecracker microVMs (GitHub). The MicroVM sandbox is the standout. Per-session isolate...
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