MCP servers can now set _meta: {"antigravity/alwaysLoad": true} on a tool so the agent gets it directly instead of discovering it on demand, and plugins can declare subagents in a root-level agents.json. The macOS sandbox also now blocks commands from reading ~/Library/Application Support, where desktop apps keep credentials, unless you allow it.
A new Fix item in JetBrains diagnostic menus hands the problem to Copilot in inline chat (agent mode when available), and a new setting stops MCP servers for Copilot and Claude from starting automatically. Enterprise admins can also set the default agent model, and the plugin now requires JetBrains IDE 2025.2 or later…
Muse Code installs as a native muse CLI that plans, edits, and runs commands with approvals and an OS sandbox on by default, plus a headless muse exec mode for CI. It ships with skills, hooks, MCP support, and a TypeScript SDK, defaulting to muse spark 1.2…
Tessary runs cheap classifiers over every agent trace, then sends only flagged ones to SOTA model agents for root cause triage; it ingests OTLP with the gen ai spec and can be self hosted. The team says it came out about 5x cheaper than sampled evals at 1M traces…
Anthropic now lets a Managed Agents agent write a workflow that runs many agents in phases and combines their output as a background run. Turn it on by setting the agent's multiagent field to multiagent 20261001 and track progress via workflow run. events…
Pi 1.1.0 lets terminals and agent dashboards see whether it's working, blocked on a login, done, or failed via OSC 7501, and pi t +codemode, write now tweaks the default tool set instead of replacing it. It also adds Claude Haiku 5.5 with adaptive thinking and runs GPT 6 Luna and llama.cpp decision models as classifiers…
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