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Building your own CLI coding agent with Pydantic-AI

news.ycombinator.com Ben O'Mahony 2025-10-27 08:34:29

Learning by doing Ben O’Mahony is Principal AI Engineer at Thoughtworks. He is a results-driven AI/Engineering leader with a track record of building high-performing teams and shipping business-critical AI, ML and data products and platforms at scale. He has deep expertise across the full Engineering and Data lifecycle from research to production deployment. Ben is adept at defining technical strategy, driving execution and partnering cross-functionally to deliver measurable impact. Recently Be

Topics: agent code mcp run tests

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Launch HN: Dedalus Labs (YC S25) – Vercel for Agents

news.ycombinator.com Unknown 2025-10-27 21:22:02

Hey HN! We are Windsor and Cathy of Dedalus Labs ( https://www.dedaluslabs.ai/ ), a cloud platform for developers to build agentic AI applications. Our SDK allows you to connect any LLM to any MCP tools – local or hosted by us. No Dockerfiles or YAML configs required. Here’s a demo: https://youtu.be/s2khf1Monho?si=yiWnZh5OP4HQcAwL&t=11 Last October, I (Windsor) was trying to build a stateful code execution sandbox in the cloud that LLMs could tool-call into. This was before MCP was released, a

Topics: ai dedalus https mcp tools

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Birth of 86-DOS – By Nemanja Trifunovic

news.ycombinator.com Nemanja Trifunovic 2025-10-25 01:48:08

Forty-five years ago, in April 1980, a young employee at Seattle Computer Products began developing a small disk operating system for the new Intel 8086-based board. Against all odds, this modest project evolved into software that would power the PC industry for over a decade: Microsoft’s MS-DOS. This is a story about development of 86-DOS, better known by its code name QDOS before it was sold to Microsoft. The two main sources I used are Tim Paterson's blogs from 2007 and Vintage Computer Fed

Topics: 86 cp dos microsoft paterson

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Honor launches the world’s thinnest foldable in Europe

theverge.com Dominic Preston 2025-10-28 05:30:00

is a news editor with over a decade’s experience in journalism. He previously worked at Android Police and Tech Advisor. Posts from this author will be added to your daily email digest and your homepage feed. Honor is bringing the Magic V5 — the world’s thinnest foldable phone, though only just — to Europe, where it’s available to order now following its Chinese launch last month. It’s joined by a new MagicPad 3 tablet and MagicBook Art 14 laptop. I’ve just reviewed the Magic V5, which is a w

Topics: 14 99 honor magicpad v5

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Like Intel before it, AMD blames motherboard makers for burnt-out CPUs

news.ycombinator.com Unknown 2025-10-25 21:54:42

AMD's X3D-series Ryzen chips have become popular with PC gamers because games in particular happen to benefit disproportionately from the chips' extra 64MB of L3 cache memory. But that extra memory occasionally comes with extra headaches. Not long after they were released earlier this year, some early adopters started having problems with their CPUs, ranging from failure to boot to actual physical scorching and burnout—the problems were particularly common for users of the 9800X3D processor in A

Topics: amd chips cpu motherboards problems

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GMP damaging Zen 5 CPUs?

news.ycombinator.com Unknown 2025-10-29 19:24:12

GMP damaging Zen 5 CPUs? Background We have fried two Ryzen 9950X CPUs in a few months by running GMP tests. This is not expected, of course. In this page, we provide as much information as possible to help analysing the problem. What causes these CPUs to die while running GMP is unknown to us. While similar, it is not the widely reported Asrock motherboard problem, as the motherboards we use are of a different make (see below). It might be that the Zen 5 CPUs pull more power than specified w

Topics: 2nd cpu cpus ddr5 mem

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Over 28,000 Citrix devices vulnerable to new exploited RCE flaw

bleepingcomputer.com Unknown 2025-10-30 05:48:00

More than 28,200 Citrix instances are vulnerable to a critical remote code execution vulnerability tracked as CVE-2025-7775 that is already being exploited in the wild. The vulnerability affects NetScaler ADC and NetScaler Gateway and the vendor addressed it in updates released yesterday. According to the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Citrix, the security issue has been exploited as a zero-day vulnerability. The versions affected by CVE-2025-7775 are 14.1 be

Topics: 13 2025 citrix cve ndcpp

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The McPhee method for writing deeply reported nonfiction

news.ycombinator.com Unknown 2025-10-31 15:17:40

When I first started writing for a real publication, I taught myself “reporting” with a simple self-made curriculum unfolding over six or seven articles. The first two pieces I wrote from my head, with reference to things I already knew or to books I’d read. For the third, I actually got out of the house, but didn’t yet have to play the journalist; I just wrote about taking a flying lesson in a small airplane. The fourth article required more gumption: I decided to shadow a friend of mine for a

Topics: file mcphee notes time writing

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Like Intel before it, AMD blames motherboard makers for burnt-out CPUs

arstechnica.com Unknown 2025-11-03 14:37:50

AMD's X3D-series Ryzen chips have become popular with PC gamers because games in particular happen to benefit disproportionately from the chips' extra 64MB of L3 cache memory. But that extra memory occasionally comes with extra headaches. Not long after they were released earlier this year, some early adopters started having problems with their CPUs, ranging from failure to boot to actual physical scorching and burnout—the problems were particularly common for users of the 9800X3D processor in A

Topics: amd chips cpu motherboards problems

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MCP Gateway and Registry

news.ycombinator.com Unknown 2025-11-05 04:30:00

MCP Gateway Model Context Protocol gateway & proxy - unify REST, MCP, and A2A with federation, virtual servers, retries, security, and an optional admin UI. ContextForge MCP Gateway is a feature-rich gateway, proxy and MCP Registry that federates MCP and REST services - unifying discovery, auth, rate-limiting, observability, virtual servers, multi-transport protocols, and an optional Admin UI into one clean endpoint for your AI clients. It runs as a fully compliant MCP server, deployable via P

Topics: 4444 http localhost mcp mcpgateway_bearer_token

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Developers lose focus 1,200 times a day — how MCP could change that

venturebeat.com Sylvain Kalache 2025-11-04 22:15:00

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Software developers spend most of their time not writing code; recent industry research found that actual coding accounts for as little as 16% of developers’ working hours, with the rest consumed by operational and supportive tasks. As engineering teams are pressured to “do more with less” and CEOs are bragging about how much of their codeb

Topics: ai context developers mcp tools

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It is worth it to buy the fast CPU

news.ycombinator.com Unknown 2025-11-04 12:03:15

In the past few years, CPUs have gotten really fast. Shockingly fast! Yet most people are stuck on previous generation mobile chips (whether by choice, or by their companies choice), at a huge detriment to their productivity. Meanwhile, AI coding subscriptions like Cursor are all the rage these days. I'll skip the debate on exactly how useful these tools are, and focus on the pricing. Cursor is $480/year for the team plan (the cheapest corporate plan), and other providers are around the same, s

Topics: 3x buy cpu cpus end

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DeepCode: Open Agentic Coding

news.ycombinator.com Unknown 2025-11-04 18:09:06

██████╗ ███████╗███████╗██████╗ ██████╗ ██████╗ ██████╗ ███████╗ ██╔══██╗██╔════╝██╔════╝██╔══██╗██╔════╝██╔═══██╗██╔══██╗██╔════╝ ██║ ██║█████╗ █████╗ ██████╔╝██║ ██║ ██║██║ ██║█████╗ ██║ ██║██╔══╝ ██╔══╝ ██╔═══╝ ██║ ██║ ██║██║ ██║██╔══╝ ██████╔╝███████╗███████╗██║ ╚██████╗╚██████╔╝██████╔╝███████╗ ╚═════╝ ╚══════╝╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚══════╝ DeepCode: Open Agentic Coding Advancing Code Generation with Multi-Agent Systems 🖥️ Interface Showcase 🖥️ CLI Interface Terminal-Based Dev

Topics: analysis code document mcp search

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Acronis True Image costs performance when not used

news.ycombinator.com View All Posts Brucedawson 2025-10-31 23:00:14

Over two years ago I installed Acronis True Image for Crucial in order to migrate my data to a new SSD I had just purchased. It worked. I then left True Image installed “just in case”, and what harm could that possibly cause. Well, funny you should ask. I recently noticed that whenever I plugged or unplugged my external monitor Explorer.exe would consume a lot of CPU time – dozens of seconds of it. It was enough CPU time to make my computer noticeably sluggish until things calmed down which co

Topics: acronis cpu dll exe explorer

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MCP-Universe benchmark shows GPT-5 fails more than half of real-world orchestration tasks

venturebeat.com Emilia David 2025-11-05 08:50:55

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now The adoption of interoperability standards, such as the Model Context Protocol (MCP), can provide enterprises with insights into how agents and models function outside their walled confines. However, many benchmarks fail to capture real-life interactions with MCP. Salesforce AI Research developed a new open-source benchmark it calls MCP-Un

Topics: mcp models real tasks universe

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Does MHz Still Matter?

news.ycombinator.com Unknown 2025-11-06 00:47:05

Does MHz still matter? Furkan Sahin Senior Software Engineer To provide VMs of any size, we slice bare metal into smaller VMs, sometimes even 1 vCPU. So, the performance of one fast core matters a lot. We evaluated new servers from Hetzner with AMD EPYC and Ryzen CPUs to add to our fleet. Ryzen is a CPU from AMD’s gaming line-up and it has better single core performance numbers compared to the EPYC which is a standard datacenter CPU. We weren’t sure if Ryzen’s single core edge would show up in

Topics: core cpu performance ryzen single

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Universal Tool Calling Protocol (UTCP)

news.ycombinator.com Unknown 2025-11-07 02:56:03

Universal Tool Calling Protocol (UTCP) 1.0.1 Introduction The Universal Tool Calling Protocol (UTCP) is a modern, flexible, and scalable standard for defining and interacting with tools across a wide variety of communication protocols. UTCP 1.0.0 introduces a modular core with a plugin-based architecture, making it more extensible, testable, and easier to package. In contrast to other protocols, UTCP places a strong emphasis on: Scalability : UTCP is designed to handle a large number of tool

Topics: http optional required tool utcp

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Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025

news.ycombinator.com Unknown 2025-11-13 03:27:29

1. Introduction Between approximately 00:34 and 01:48 (Beijing Time, UTC+8) on August 20, 2025, the Great Firewall of China (GFW) exhibited anomalous behavior by unconditionally injecting forged TCP RST+ACK packets to disrupt all connections on TCP port 443. This incident caused massive disruption of the Internet connections between China and the rest of the world (source1 and source2). This report documents our measurements and analysis of this temporary, widespread blocking event. Our primar

Topics: ack flags ip length tcp

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Docker container for running Claude Code in "dangerously skip permissions" mode

news.ycombinator.com Unknown 2025-11-12 23:34:36

Claude Code Container A Docker container for running Claude Code in "dangerously skip permissions" mode. claude-container3.mp4 Build the docker container and execute run_claude.sh to run an isolated version of claude code with access to the current working dir ( readOnly:/workspace/input ). /workspace/ ├── input/ # Host input files (read-only mount of $PWD) ├── output/ # Analysis results (writable mount to host) ├── data/ # Reference data (optional read-only mount) ├── temp/ # Temporary file

Topics: claude code container mcp sh

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MCP tools with dependent types

news.ycombinator.com Unknown 2025-11-18 06:02:31

August 17, 2025 MCP tools with dependent types This summer, I’ve been playing a bit with writing an MCP server for Defold editor. The idea was to give Claude access to evaluating Lua code in the editor scripting context, so it can use the APIs available for querying and modifying game content. The best word to describe the experience is entertaining — it has a very vague idea of the available APIs, and prefers to experiment by evaluating code instead of browsing documentation, which results in

Topics: json mcp properties resource type

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MCP doesn't need tools, it needs code

news.ycombinator.com Unknown 2025-11-18 05:53:03

Your MCP Doesn’t Need 30 Tools: It Needs Code I wrote a while back about why code performs better than MCP (Model Context Protocol) for some tasks. In particular, I pointed out that if you have command line tools available, agentic coding tools seem very happy to use those. In the meantime, I learned a few more things that put some nuance to this. There are a handful of challenges with CLI-based tools that are rather hard to resolve and require further examination. In this blog post, I want to

Topics: child code lldb mcp pexpect

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MCP Tools and Dependent Types

news.ycombinator.com Unknown 2025-11-18 18:02:31

August 17, 2025 MCP tools with dependent types This summer, I’ve been playing a bit with writing an MCP server for Defold editor. The idea was to give Claude access to evaluating Lua code in the editor scripting context, so it can use the APIs available for querying and modifying game content. The best word to describe the experience is entertaining — it has a very vague idea of the available APIs, and prefers to experiment by evaluating code instead of browsing documentation, which results in

Topics: json mcp properties resource type

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MCP Doesn't Need 30 Tools: It Needs Code

news.ycombinator.com Unknown 2025-11-18 17:53:03

Your MCP Doesn’t Need 30 Tools: It Needs Code I wrote a while back about why code performs better than MCP (Model Context Protocol) for some tasks. In particular, I pointed out that if you have command line tools available, agentic coding tools seem very happy to use those. In the meantime, I learned a few more things that put some nuance to this. There are a handful of challenges with CLI-based tools that are rather hard to resolve and require further examination. In this blog post, I want to

Topics: child code lldb mcp pexpect

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An Argument for Increasing TCP's Initial Congestion Window Again

news.ycombinator.com Unknown 2025-11-14 00:23:11

An Argument for Increasing TCP's Initial Congestion Window ... Again Published September 2, 2024 Introduction Google has a long history of performing networking research, making changes, and pushing those changes to the entire internet. In 2011, they published one of my favorite papers, which described their decision to increase the TCP initial congestion window from 1 to 10 on their entire infrastructure. This was soon followed by an RFC filed with the IETF, and eventually became an internet

Topics: congestion initial internet tcp window

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Lessons learned from buying an open source repo

news.ycombinator.com Unknown 2025-11-17 10:35:07

Our tiny startup recently acquired the most popular open-source Unity MCP repo on GitHub, and things didn’t quite go as planned. Here are the lessons we learned for anyone considering buying an open source repo. Why we bought the repo First, we like open source and want Unity MCP to stay relevant and open source indefinitely. Second, there’s distribution: being the name behind the project. If you don’t want to set up MCP yourself, you can one-click install Coplay for a premium experience. Wh

Topics: github mcp open repo unity

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Show HN: MCP Security Suite

news.ycombinator.com Unknown 2025-11-21 17:01:33

MCP Security Suite 🛡️ Unified security framework for Model Context Protocol (MCP) servers 📖 Quick Start Guide - Get up and running in 3 minutes! ⚠️ Important Note for Scanning This Project: This repository contains intentionally malicious test files in mcp_test_cases/ and tests/ directories to validate our detection capabilities. When scanning this project: To exclude test files : python3 mighty_mcp.py check . --profile production : To force fresh scan (bypass cache) : python3 mighty_mcp.py

Topics: analysis check mighty_mcp py python3

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Linux Address Space Isolation Revived After Lowering 70% Performance Hit to 13%

news.ycombinator.com Unknown 2025-11-23 08:14:21

Several years ago Google engineers began exploring address space isolation for the Linux kernel and ultimately proposing Linux ASI for better dealing with CPU speculative execution attacks . While the hope was it would better cope with the ever growing list of CPU speculative execution vulnerabilities, the effort was thwarted initially by I/O throughput seeing a 70% performance hit . That level of performance cost was unsustainable. But now that I/O overhead has been reduced to just 13%.Google e

Topics: asi better cpu google linux

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NeoLogic wants to build more energy-efficient CPUs for AI data centers

techcrunch.com Rebecca Szkutak 2025-11-26 03:00:00

When NeoLogic started building its more energy-efficient CPUs for AI servers, folks in the industry told its founders Avi Messica and Ziv Leshem that their idea wasn’t viable. “Most of the people that we have met say it’s impossible,” Messica told TechCrunch. “Some of them told us, at the time, that the innovation is impossible because you cannot innovate in logic synthesis. You can’t innovate in circuit design. It’s too mature.” Israel-based NeoLogic nevertheless set out to prove them wrong,

Topics: cpus disrupt messica neologic years

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Nexus: An Open-Source AI Router for Governance, Control and Observability

news.ycombinator.com Unknown 2025-11-28 06:41:12

Today, we're excited to introduce Nexus - a powerful AI router designed to optimize how AI agents interact with multiple MCP tools and Large Language Models. Nexus serves as a central hub that aggregates Model Context Protocol (MCP) servers while providing intelligent LLM routing, security and governance capabilities. Nexus is an AI router that solves two critical challenges in the AI ecosystem: MCP Server Aggregation: Instead of managing connections to multiple MCP servers individually, Nexus

Topics: ai mcp models nexus routing

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Operation Costs in CPU Clock Cycles (2016)

news.ycombinator.com No Bugs 2025-12-01 11:55:30

Author: “No Bugs” Hare Follow: Job Title: Sarcastic Architect Hobbies: Thinking Aloud, Arguing with Managers, Annoying HRs, Calling a Spade a Spade, Keeping Tongue in Cheek UPDATED: TLB and CAS/atomics (including different NUMA node) added Click to enlarge NB: scale is logarithmic! Premature Pessimization Easy on yourself, easy on the code: All other things being equal, notably code complexity and readability, certain efficient design patterns and coding idioms should just flow naturally

Topics: cost costs cpu cycles memory

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Latest Tech News

Building your own CLI coding agent with Pydantic-AI

Launch HN: Dedalus Labs (YC S25) – Vercel for Agents

Birth of 86-DOS – By Nemanja Trifunovic

Honor launches the world’s thinnest foldable in Europe

Like Intel before it, AMD blames motherboard makers for burnt-out CPUs

GMP damaging Zen 5 CPUs?

Over 28,000 Citrix devices vulnerable to new exploited RCE flaw

The McPhee method for writing deeply reported nonfiction

Like Intel before it, AMD blames motherboard makers for burnt-out CPUs

MCP Gateway and Registry

Developers lose focus 1,200 times a day — how MCP could change that

It is worth it to buy the fast CPU

DeepCode: Open Agentic Coding

Acronis True Image costs performance when not used

MCP-Universe benchmark shows GPT-5 fails more than half of real-world orchestration tasks

Does MHz Still Matter?

Universal Tool Calling Protocol (UTCP)

Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025

Docker container for running Claude Code in "dangerously skip permissions" mode

MCP tools with dependent types

MCP doesn't need tools, it needs code

MCP Tools and Dependent Types

MCP Doesn't Need 30 Tools: It Needs Code

An Argument for Increasing TCP's Initial Congestion Window Again

Lessons learned from buying an open source repo

Show HN: MCP Security Suite

Linux Address Space Isolation Revived After Lowering 70% Performance Hit to 13%

NeoLogic wants to build more energy-efficient CPUs for AI data centers

Nexus: An Open-Source AI Router for Governance, Control and Observability

Operation Costs in CPU Clock Cycles (2016)

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