MCPでLLMに行動させる - Terraformを例とした tfmcp の紹介 - じゃあ、おうちで学べる
はじめに こんにちは！今回は、私が最近開発した tfmcp というツールを紹介します。これは Terraform を LLM（大規模言語モデル）から操作できるようにするツールで、Model Context Protocol (MCP) を活用しています。 github.com このブログが良ければ読者になったり、GitHub リポジトリにStarをいただけると開発の励みになります。nwiizoをフォロワーしてくれるのもありがたいです。より良いツール開発のためのフィードバックもお待ちしています！ MCP とは何か？ 記事を始める前に、まず MCP (Model Context Protocol) について簡単に説明しましょう。MCP についてより詳しい情報は、公式ドキュメント modelcontextprotocol.io や Anthropic の Model Context Protoc
Assessing Claude Mythos Preview’s cybersecurity capabilities April 7, 2026 Nicholas Carlini, Newton Cheng, Keane Lucas, Michael Moore, Milad Nasr, Vinay Prabhushankar, Winnie Xiao Hakeem Angulu, Evyatar Ben Asher, Jackie Bow, Keir Bradwell, Ben Buchanan, David Forsythe, Daniel Freeman, Alex Gaynor, Xinyang Ge, Logan Graham, Kyla Guru, Hasnain Lakhani, Matt McNiece, Mojtaba Mehrara, Renee Nichol, A
Today we’re excited to announce the release of TypeScript 5.2! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, issues with null and undefined, and more. Types also power TypeScript’s edi
Over the course of my Spring 2020 semester at Harvey Mudd College, I developed a self-hosting compiler entirely from scratch. This article walks through many interesting parts of the project. It’s laid out so you can just read from beginning to end, but if you’re more interested in a particular topic, feel free to jump there. Or, take a look at the project on GitHub. Table of contents What the pro
KDL is a small, pleasant document language with XML-like node semantics that looks like you're invoking a bunch of CLI commands! It's meant to be used both as a serialization format and a configuration language, much like JSON, YAML, or XML. It looks like this: package { name my-pkg version "1.2.3" dependencies { // Nodes can have standalone values as well as // key/value pairs. lodash "^3.2.1" op
Tier 4 Support § Support for these targets is entirely experimental. If this target is provided by LLVM, LLVM may have the target as an experimental target, which means that you need to use Zig-provided binaries for the target to be available, or build LLVM from source with special configure flags. zig targets will display the target if it is available. This target may be considered deprecated by
Original Zef Interpreter The original Zef interpreter was written with almost no regard for performance. Only two performance-aware choices were made: The value representation is a 64-bit tagged value that may hold a double, a 32-bit integer, or a Object*. Doubles are represented by offsetting them by 0x1000000000000 (a technique I learned from JavaScriptCore; the literature has taken to calling t
はじめに こんにちは、アソビューでバックエンドエンジニアをしている小原です。 アソビューのバックエンドはJava + Spring Bootで構築されており、プロダクトによってJava8かJava11が利用されています。 Java 8は、2014年3月に正式リリースされ、ラムダ式やStream、Optionalなどの機能が導入されました。皆さんもこれらの機能を活用されている事かと思われます。しかしながら、特にStreamは機能が多いためか、適切に使われてないケースをちらほら見てきました。今回は、StreamとOptionalをおさらいし、理解を深めていただければと思い、記事を書きました。 はじめに Stream 概要 特徴 Streamの生成 中間操作と終端操作 中間操作 filter() map() flatMap() distinct() sorted() peek() limit()
Try Mastering Emacs for free! Are you struggling with the basics? Have you mastered movement and editing yet? When you have read Mastering Emacs you will understand Emacs. It’s that time again: there’s a new major version of Emacs and, with it, a treasure trove of new features and changes. Notable features include the formal inclusion of native compilation, a technique that will greatly speed up y
Rust Language Cheat Sheet 26. August 2021 Contains clickable links to The Book , Rust by Example , Std Docs , Nomicon , Reference . Data Structures Data types and memory locations defined via keywords. Example Explanation struct S {} Define a struct with named fields. struct S { x: T } Define struct with named field x of type T. struct S (T); Define "tupled" struct with numbered field .0 of type
Twitter formerly known as X, a strange experience. It is the place where only the coolest of kids hang or so they say. The cool kids idle away their time smelling farts and fart like opinions. Sometimes I add my own to the mix but I usually lurk in the corners marinating in the warm miasma. Not all flatulence is created equal. Some, is rather nice, interesting even, and dare I say it can be quite
LispText.pdf
Lisp Common Lisp / Scheme 0.1 Copyright c � 2020, Katsunori Nakamura 2020 2 29 1 1 1.1 Common Lisp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3.1 Lisp . . . . . .
Following up from the last post, there is a lot more we need to cover. This was intended to be the post where we talk exclusively about benchmarks and numbers. But, I have unfortunately been perfectly taunted and status-locked, like a monster whose “aggro” was pulled by a tank. The reason, of course, is due to a few folks taking issue with my outright dismissal of the C and C++ APIs (and not showi
React Best Practices – Tips for Writing Better React Code
By Jean-Marc Möckel Two years ago, I started to learn and use React. And today I'm still using it at my day job as a Software Developer and in my own side projects. During that time I've come across a lot of "typical" issues. So I searched around and found some best practices that I've integrated into my workflow, and I've come up with things that have made my life or my team members' lives easier
The sad state of property-based testing libraries Posted on Jul 2, 2024 Property-based testing is a rare example of academic research that has made it to the mainstream in less than 30 years. Under the slogan “don’t write tests, generate them” property-based testing has gained support from a diverse group of programming language communities. In fact, the Wikipedia page of the original property-bas
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Logback components written for logback 1.2 should work without change in version 1.3. However, Joran, logback's configuration system, has been rewritten to use an internal representation model which can be processed separately. Thus, code depending on Joran needs to be adapted to changes in Joran (logback's internal configuration mechanism). As a result of enhancements to Joran, logback configurat
はじめに Kubernetes 1.30でValidating Admission Policyの機能がGAするなど、開発中の新機能にCELが組み込まれるケースが増えています。今後Kubernetesで使われる機会が増えそうなCELについて、使い所や記述方法をまとめてみました。 CELとは？ CEL(Common Expression Language)の概要は以下の通りです。 検証ルール、ポリシールール、その他の制約や条件を宣言するために使用される。CEL式はKubernetes APIサーバーで直接評価されるため、Admission WebhookのようなKubernetesのコントロールプレーンの外で拡張する仕組みに代わる便利な選択肢となる。構文は、C、C++、Java、JavaScript、Go の式に似ている。CEL式は、単一の値に評価される。 CEL 式は通常、Kubernet
From XML to JSON to CBOR - The CBOR, dCBOR, and Gordian Envelope Book
Press ← or → to navigate between chapters Press S or / to search in the book Press ? to show this help Press Esc to hide this help From XML to JSON to CBOR A Lingua Franca for Data? In modern computing, data exchange is foundational to everything from web browsing to microservices and IoT devices. The ability for different systems to represent, share, and interpret structured information drives ou
Renato Athaydes
How to write really slow Rust code How I tried to port Lisp code to Rust and managed to get a much slower program... and how to fix that! Photo by Sam Moqadam on Unsplash I have recently published a blog post that, as I had expected (actually, hoped for, as that would attract people to contribute to the “study”), generated quite some polemic on the Internet! The post was about an old study by Lutz
Automated tests are important. Without them, programmers waste a huge amount of time manually checking and fixing their code. Unfortunately, many automated tests also waste a huge amount of time. The easy, obvious way to write tests is to make broad tests that are automated versions of manual tests. But they’re flaky and slow. Folks in the know use mocks and spies (I say “mocks” for short in this
プログラミング言語の作り方 javascript/C言語/アセンブラを用い、 字句解析、構文解析、インタプリタ、コンパイラのプログラムをスクラッチから作りながら、 「プログラミング言語の作り方」を解説する。 目次 プログラミング言語とは 独自プログラミング言語の作り方 自作プログラミング言語のソースコード 自作字句解析の作り方 自作構文解析(パーサ)の作り方 自作パーサジェネレータ 抽象構文木ASTは階層構造データ 自作インタプリタの作り方 自作実行AST実行の作り方 自作コンパイラの作り方 自作バイナリフォーマット3izbin 独自プログラミング言語の作り方 別のプログラムが、プログラミング言語を理解するためには、「プログラミング言語の文法規則（ルール）」が必要だ。 文法規則といっても、プログラミング言語のルールは、とても機械的なので、プログラムで解析するのは難しくない。 自作プログラミ
LSP could have been better
Oct 12, 2023 We talk about programming like it is about writing code, but the code ends up being less important than the architecture, and the architecture ends up being less important than social issues. The Success and Failure of Ninja The Why LSP post discusses the “social issues” solved by LSP. LSP (as a part of overarching Microsoft strategy) is brilliant, because it moved the world to a new
C++ safety, in context
Scope. To talk about C++’s current safety problems and solutions well, I need to include the context of the broad landscape of security and safety threats facing all software. I chair the ISO C++ standards committee and I work for Microsoft, but these are my personal opinions and I hope they will invite more dialog across programming language and security communities. Acknowledgments. Many thanks
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Claude Mythos Preview \ red.anthropic.com
Announcing TypeScript 5.2 - TypeScript
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プログラミング言語の作り方