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Agents2026-08-02 · source-backed
Core 1.55.0 lets Code Mode transports declare requiresSandbox: false, with the new @mastra/isolated-vm package supplying an in-process V8 isolate: no filesystem, network, or process access, reachable only through bridged external_* tools. The quieter fix matters more: the generated Code Mode instructions previously always claimed full sandboxing regardless of configured transport. The model was being told it was sandboxed when it wasn't.
Each link below shares sources, entities, or timing with this story.
OneMCP posted to Show HN on August 23, unifying 20+ MCP servers behind one portal endpoint exposing only search, describe and execute, letting the model script against tools in code rather than reading every schema. The page credits Cloudflare's Code Mode portal pattern as pri...
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...
Cloudflare published Code Mode for MCP, and the numbers are the kind that change how you architect things. Instead of exposing MCP tools individually to an LLM (each tool call requires a round trip through the model), Code Mode converts your entire MCP server into a typed Type...
This is the agent-security story of the week, and it needs no code to work. Noma Security disclosed GitLost (CVE-2026-44246) on July 6. An unauthenticated attacker posts a crafted issue on a public org repo. The AI agent (Claude or Copilot) triggers on issues.assigned, reads t...
Hudson Rock got hold of the archive and counted it. 433,909 files. 118,829 CI runner dumps traced to 2,488 corporate domains. AWS keys, Salesforce client secrets, Slack signing secrets, Azure environment variables, and AI provider API keys belonging to NVIDIA, Volkswagen, Micr...
RyanAlberts/best-of-Agent-Harnesses is a weekly-rescored ranking that also ships an MCP server, llms.txt, and JSON, so agents themselves can query and recommend harnesses. It's two things at once: a useful landscape reference for picking a harness, and a clean example of the "...
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