⚡️ F# Weekly #31, 2026

A new issue of the F# Weekly digest is out. The spotlight is on Microsoft's announcements for .NET developers: the MCP C# SDK 2.0 release, a new agent for unit-testing polyglot projects, integration of the MSBuild binary log (binlog) analyzer into VS Code, Agent Framework updates for discovering MCP server skills, and the July Visual Studio update with agents powered by the GitHub Copilot SDK. Notable ecosystem projects include MongrelDB-FSharp (a pure-F# client for an embedded database with SQL and vector search), the Axial typed-results library, the reactive Fable.Reactive, and Fable.Giraffe. The issue also covers ten fresh package releases, including Mibo 3.0, plus pieces on Result type design and enterprise AI patterns.

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