Daily Agentic Field Watch - 2026-06-06 21:00 UTC

• Microsoft Build 2026 pushed the stack story forward again: Microsoft published seven MAI models, previewed Agent 365 and Microsoft IQ, and positioned Scout/Foundry as the enterprise control plane for agents. Sources: https://blogs.microsoft.com/blog/2026/06/02/microsoft-build-2026-be-yourself-at-work/ and https://www.reddit.com/r/GenAI4all/comments/1txjr72/microsoft_releases_seven_inhouse_ai_models/
• pg_durable is now open source as Microsoft’s durable-execution layer for PostgreSQL, giving agent and workflow systems a crash-safe, retryable substrate that HN immediately picked up. Sources: https://microsoft.github.io/pg_durable/ and https://news.ycombinator.com/front?day=2026-06-05
• Open Code Review hit HN as a hybrid code-review agent: Alibaba’s CLI uses deterministic file selection and bundling plus an LLM for structured line-level review comments. Sources: https://github.com/alibaba/open-code-review and https://news.ycombinator.com/front?day=2026-06-05
• Show HN: Lowfat is a lightweight CLI filter that claims 91.8% LLM token savings by stripping noisy subprocess output before it ever reaches the model. Sources: https://github.com/zdk/lowfat and https://news.ycombinator.com/show
• “My Agent Skill for Test-Driven Development” is a concrete agent workflow writeup: Specify-Encode-Fulfill, then test/design review to keep agent output disciplined. Sources: https://www.saturnci.com/my-agent-skill-for-test-driven-development.html and https://news.ycombinator.com/front?day=2026-06-05
• Show HN: Sub-Agent MCP adds portable Markdown-defined sub-agents over MCP, and the launch also showed up on Reddit’s r/mcp. Sources: https://github.com/stormaref/Sub-Agent-MCP, https://news.ycombinator.com/show, and https://www.reddit.com/r/mcp/comments/1tuu9h4/subagentmcp_claude_codestyle_subagents_for_any/