# F# Weekly #49, 2025 - Oxpecker 2, fsi-mcp, LSP & AOC in F# **URL:** \ **Category:** General\ **Tags:** news\ **Created:** [December 6, 2025, 7:49pm UTC](https://forums.fsharp.org/t/f-weekly-49-2025-oxpecker-2-fsi-mcp-lsp-aoc-in-f/5003 "2025-12-06T19:49:17Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![sergey\_tihon](https://yyz2.discourse-cdn.com/flex030/user_avatar/forums.fsharp.org/sergey_tihon/32/25_2.png) [@sergey\_tihon](https://forums.fsharp.org/u/sergey_tihon)\ **Post date:** [December 6, 2025, 7:49pm UTC](https://forums.fsharp.org/t/f-weekly-49-2025-oxpecker-2-fsi-mcp-lsp-aoc-in-f/5003/1 "2025-12-06T19:49:17Z")
Welcome to F# Weekly, A roundup of F# content from this past week: **News** - [.NET Conf 2025 Recap - Celebrating .NET 10, Visual Studio 2026, AI, Community, & More - .NET Blog](https://devblogs.microsoft.com/dotnet/dotnet-conf-2025-recap/) - [Introducing Data Ingestion Building Blocks (Preview) - .NET Blog](https://devblogs.microsoft.com/dotnet/introducing-data-ingestion-building-blocks-preview/) - [Cross-Platform Age Verification in .NET MAUI Applications - .NET Blog](https://devblogs.microsoft.com/dotnet/cross-platform-age-verification-dotnet-maui/) - [Unlocking the Power of Web with Copilot Chat’s New URL Context - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/unlocking-the-power-of-web-with-copilot-chats-new-url-context/) - [Visual Studio 2026 November 2025 Update](https://devblogs.microsoft.com/visualstudio/visual-studio-november-update-visual-studio-2026-cloud-agent-preview-and-more/) - [Pipe dreams to pipeline realities: an Aspire Pipelines story | Aspire Blog](https://devblogs.microsoft.com/aspire/aspire-pipelines/) - [Introducing the VS Code Insiders Podcast](https://code.visualstudio.com/blogs/2025/12/03/introducing-vs-code-insiders-podcast) - [Progress on TypeScript 7 - December 2025 - TypeScript](https://devblogs.microsoft.com/typescript/progress-on-typescript-7-december-2025/) - [Profiler Agent - Delegate the analysis, not the performance - Visual Studio Blog](https://devblogs.microsoft.com/visualstudio/delegate-the-analysis-not-the-performance/) - [The "Golden Triangle" of Agentic Development with Microsoft Agent Framework: AG-UI, DevUI & OpenTelemetry Deep Dive | Semantic Kernel](https://devblogs.microsoft.com/semantic-kernel/the-golden-triangle-of-agentic-development-with-microsoft-agent-framework-ag-ui-devui-opentelemetry-deep-dive/) **Videos** > **[Jo Van Eyck (@jovaneyck.bsky.social)](https://bsky.app/profile/jovaneyck.bsky.social/post/3m76fkfiojs2f)** > > Link to blog post: https://jvaneyck.wordpress.com/2025/12/04/fsi-mcp-injecting-ai-coding-agents-into-my-f-repl-workflow/ > > Showcase video: https://youtu.be/\_AxsTQDxSbc?si=HDliVdyboG-BFK0v > > #fsharp #FsAdvent - [I built fsi-mcp and now all my LLM's think in F# code](https://www.youtube.com/watch?v=_AxsTQDxSbc) - Jo Van Eyck - [Cancellation Tokens with Stephen Toub](https://www.youtube.com/watch?v=h1GvSPaRQ-U&t=822s) - [🎄 Advent of code 2025 in F# - day 02](https://www.youtube.com/watch?v=AIuhrDGmuVA) - [🎄 Advent of code 2025 in F# - day 03](https://www.youtube.com/watch?v=HzB0MS5FDjI) - [🎄 Advent of code 2025 in F# - day 04](https://www.youtube.com/watch?v=RF-YIFsPe7A&t=1s) - [🎄 Advent of code 2025 in F# - day 05](https://www.youtube.com/watch?v=f3_Z-4e4X6o) - [🎄 Advent of code 2025 in F# - day 06](https://www.youtube.com/watch?v=N1xcGoSWXNY) - [ASP.NET Community Standup - .NET Conf 2025 release roundup](https://www.youtube.com/watch?v=DqoxPIDNWfA) - [.NET AI Community Standup - Build Cross-Platform .NET Apps with Uno Platform & AI!](https://www.youtube.com/watch?v=R7p_lGtNvMw) - [.NET MAUI Community Standup - .NET 10 Announcements Roundup](https://www.youtube.com/watch?v=LuA4WbZY7tw) **Blogs & FsAdvent** - [The Oxpecker 2](https://medium.com/@lanayx/the-oxpecker-2-dbeef82249f5) - The Oxpecker 2 - [Domain Modeling Made Denumerable](https://github.com/sgoguen/DenseCheck/blob/main/docs/2025/12/02-Happy-FS-Advent.md) - `Steve Goguen` - [Building ‘Ask AI’](https://speakez.tech/blog/building-ask-ai/) - Building ‘Ask AI’ - [Language Server Protocol in F#](https://git.samsmucny.com/ssmucny/FsharpLspExample) - Sam Smucny - [Parallelising Heterogeneous Async Calls](https://blair55.github.io/blog/parallel-hetero-async/) - Nick - [fsi-mcp: injecting AI coding agents into my F# REPL workflow](https://jvaneyck.wordpress.com/2025/12/04/fsi-mcp-injecting-ai-coding-agents-into-my-f-repl-workflow/) - Jo Van Eyck > **[Vladimir Shchur (@lanayx.bsky.social)](https://bsky.app/profile/lanayx.bsky.social/post/3m6vbwpo3zs2r)** > > Let the party begin! > https://medium.com/@lanayx/the-oxpecker-2-dbeef82249f5 > \#fsharp #FsAdvent #oxpecker **F# vNext** - [Nested field update syntax for records - field disambiguator · Issue #1456](https://github.com/fsharp/fslang-suggestions/issues/1456) - [Deprecate non-zero-based Array2Ds, fixing trimmability · Issue #1454](https://github.com/fsharp/fslang-suggestions/issues/1454) **Highlighted projects** - [sgoguen/DenseCheck: A .NET Library for Systematically Generating Test Cases for Your Domain Model](https://github.com/sgoguen/DenseCheck) - [ssmucny/FsharpLspExample -Language Server Protocol in F#](https://git.samsmucny.com/ssmucny/FsharpLspExample) - [totallymoney/FsCDK: AWS Cloud Development Kit (AWS CDK) For F#](https://github.com/totallymoney/FsCDK) - [dbrattli/Feliz.ViewEngine: Feliz DSL and engine for HTML generation and server side rendering (SSR)](https://github.com/dbrattli/Feliz.ViewEngine) **New Releases** - [Oxpecker 2.0.0](https://www.nuget.org/packages/Oxpecker) - [Feliz.ViewEngine 1.0.3](https://www.nuget.org/packages/Feliz.ViewEngine/1.0.3) - [DenseCheck 0.1.0](https://www.nuget.org/packages/DenseCheck) - [FSharp.Data.GraphQL.ProjectTemplates 3.0.0](https://www.nuget.org/packages/FSharp.Data.GraphQL.ProjectTemplates) - [FSharp.Data.GraphQL.Server 3.0.0](https://www.nuget.org/packages/FSharp.Data.GraphQL.Server) - [Farmer 1.9.26](https://www.nuget.org/packages/Farmer) - [FsiX.Cli 0.1.1](https://www.nuget.org/packages/FsiX.Cli) - [fantomas 7.0.5](https://www.nuget.org/packages/fantomas) - [FSharp.ReactiveWpf 0.0.8](https://www.nuget.org/packages/FSharp.ReactiveWpf) - [linq2db.FSharp 6.0.0](https://www.nuget.org/packages/linq2db.FSharp) - [FSharp.Azure.Quantum 1.2.5](https://www.nuget.org/packages/FSharp.Azure.Quantum) - [Mingine.Physics 1.2.0](https://www.nuget.org/packages/Mingine.Physics) - [Numerics.NET.FSharp 10.1.0](https://www.nuget.org/packages/Numerics.NET.FSharp) - [Hedgehog 1.1.0](https://www.nuget.org/packages/Hedgehog) - [Hedgehog.Xunit.v3 1.1.0](https://www.nuget.org/packages/Hedgehog.Xunit.v3) - [FSharp.Idioms 1.5.4](https://www.nuget.org/packages/FSharp.Idioms) - [Str 0.21.0](https://www.nuget.org/packages/Str) - [Fumble 2.0.1](https://www.nuget.org/packages/Fumble) - [Fabulous.AST 1.8.0](https://www.nuget.org/packages/Fabulous.AST) - [Fable.Electron 39.2.4](https://www.nuget.org/packages/Fable.Electron) - [SwaggerProvider 3.0.0-beta01](https://www.nuget.org/packages/SwaggerProvider/3.0.0-beta01) > **[JetBrains Rider (@jetbrains-rider.bsky.social)](https://bsky.app/profile/jetbrains-rider.bsky.social/post/3m73vgl44w62p)** > > ReSharper and Rider 2025.3 release party is incoming! 😃 > > 📅 December 9, Tue, 4pm UTC > 🗣️ Our .NET Advocates and @auduchinok.bsky.social > 🎁 Lots of new features! > 🤔 Bring all your questions! > > \#dotnet #devtools #ai #csharp #fsharp #ama That’s all for now. Have a great week. If you want to help keep F# Weekly going, [click here to jazz me with Coffee](https://www.buymeacoffee.com/sergeytihon)! [![Buy Me A Coffee](https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png)](https://www.buymeacoffee.com/sergeytihon)