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Exposed MCP servers across the internet

news.ycombinator.com Knostic Team 2025-07-20 00:29:50

Knostic’s research team conducted a systematic study to locate exposed MCP servers on the internet. Leveraging Shodan and custom Python tools, we fingerprinted and mapped production MCP servers. All servers we discovered were insecure and revealed their capabilities to anyone asking. In this series of posts, we are sharing our findings, along with a guide detailing how we fingerprinted MCP servers. We identified a total of 1,862 MCP servers exposed to the internet. From this set, we manually v

Topics: exposed mcp server servers tools

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Exposing the Unseen: Mapping MCP Servers Across the Internet

news.ycombinator.com Knostic Team 2025-07-20 15:29:50

Knostic’s research team conducted a systematic study to locate exposed MCP servers on the internet. Leveraging Shodan and custom Python tools, we fingerprinted and mapped production MCP servers. All servers we discovered were insecure and revealed their capabilities to anyone asking. In this series of posts, we are sharing our findings, along with a guide detailing how we fingerprinted MCP servers. We identified a total of 1,862 MCP servers exposed to the internet. From this set, we manually v

Topics: exposed mcp server servers tools

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Upcoming coordinated security fix for all Matrix server implementations

news.ycombinator.com Unknown 2025-07-23 16:49:58

Hi all, Over the last 6 months a major project has been underway by the Element server team and the Matrix.org Foundation security team to investigate “state resets”: scenarios where Matrix’s state resolution algorithm can give unexpected results. As part of this work we’ve identified two high severity protocol vulnerabilities (CVE-2025-49090; the other not yet allocated a CVE). Given the security implications of a federation protocol vulnerability, we’ve shared details under embargo over the

Topics: matrix room rooms server upgrade

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Show HN: An MCP server that gives LLMs temporal awareness and time calculation

news.ycombinator.com Unknown 2025-07-24 17:55:31

"Passage of Time" Model Context Protocol (MCP) Server 🕐 An MCP server that gives language models temporal awareness and time calculation abilities. Teaching LLMs the significance of the passage of time through collaborative tool development. 📖 The Story This project emerged from a philosophical question: "Can AI perceive the passage of time?" What started as an exploration of machine consciousness became a practical solution to a real problem - LLMs can't reliably calculate time differences.

Topics: http human server sse time

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Show HN: I gave Claude a sundial and it built a calendar

news.ycombinator.com Unknown 2025-07-25 03:55:31

"Passage of Time" Model Context Protocol (MCP) Server 🕐 An MCP server that gives language models temporal awareness and time calculation abilities. Teaching LLMs the significance of the passage of time through collaborative tool development. 📖 The Story This project emerged from a philosophical question: "Can AI perceive the passage of time?" What started as an exploration of machine consciousness became a practical solution to a real problem - LLMs can't reliably calculate time differences.

Topics: http human server sse time

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The best free VPNs of 2025: Secure, safe, and fast VPNs

zdnet.com Charlie Osborne 2025-07-25 08:32:00

My top pick for free VPNs available in 2025 is Proton VPN, which, despite its limits, will suit many users who do not want to subscribe. Why we like it: The free version of Proton VPN offers many useful features that are paid for through other services and VPN subscribers. This is important when it comes to free VPN services, as it provides a measure of security and data protection that some shady services do not. After all, if your information is being sold in return for a VPN connection, this

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Show HN: CallFS – S3-style object store in one Go binary (MIT)

news.ycombinator.com Unknown 2025-07-28 06:43:57

CallFS: A High-Performance, Distributed REST API Filesystem CallFS is an ultra-lightweight, high-performance REST API filesystem that provides precise Linux filesystem semantics over various backends, including local storage, Amazon S3, and a distributed peer-to-peer network. It is designed for speed, reliability, and horizontal scalability. 🚀 Key Features Multi-Backend Storage : Seamlessly use Local Filesystem, Amazon S3, or other S3-compatible services (like MinIO) as storage backends. : S

Topics: api callfs file metadata server

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Show HN: asyncmcp – Run MCP over async transport via AWS SNS+SQS

news.ycombinator.com Unknown 2025-08-02 20:04:00

asyncmcp - Async transport layers for MCP Overview A regular MCP Server but working over queues : queue-based-mcp-example.mov Quoting from the official description : MCP is an open protocol that standardizes how applications provide context to LLMs. But a lot of this context is not always readily available and takes time for the applications to process - think batch processing APIs, webhooks or queues. In these cases with the current transport layers, the MCP server would have to expose

Topics: async client mcp server transport

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Red Hat Technical Writing Style Guide

news.ycombinator.com Unknown 2025-08-02 23:01:42

Use the full description "IBM S/390". Do not use "s390", "S390", or any other variations. The correct abbreviation for "Software-as-a-Service". Refer also to PaaS Correct. Do not use "samba" or "SAMBA". Correct. Do not use "s-record", "Record", "s-Record", or any other variations. n. Use this term, and write as one word. Do not use other terms or variations. ⁠ screen saver n. Do not use "screensaver". n. Do not use "scroll bar" or "scroll-bar". secure Instead of stating that a product o

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Microsoft Patch Tuesday, July 2025 Edition

krebsonsecurity.com Unknown 2025-08-04 06:53:33

Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be actively exploited, but 14 of the flaws earned Microsoft’s most-dire “critical” rating, meaning they could be exploited to seize control over vulnerable Windows PCs with little or no help from users. While not listed as critical, CVE-2025-49719 is a publicly disclosed information disclosure vulnerabilit

Topics: 2025 cve microsoft server windows

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Surfing on a Matchbox (1999)

news.ycombinator.com Unknown 2025-08-04 11:05:32

It is one tenth the size of a Palm Pilot and dwarfed by a typical desktop computer, which is 3,000 times larger. The matchbox-sized server was built from standard components by Professor Vaughan Pratt, a computer scientist at Stanford University, California. "It's basically a powerful little computer and we could have set it up for a number of different uses," he said. "But, because most people think of servers as mysterious boxes, located in dark basements, I thought making it into a web serv

Topics: computer mb pratt professor server

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tinymcp: Let LLMs control embedded devices via the Model Context Protocol

news.ycombinator.com Unknown 2025-08-09 23:37:28

tinymcp Let LLMs control embedded devices via the Model Context Protocol. Warning tinymcp is an experimental project. Expect frequent breaking changes. Extreme caution should be taken when delegating physical capabilities to AI systems. Background The tinymcp project includes an MCP server, which is executed locally, but communicates with remote devices via the Golioth management API. It uses two existing device services on the Golioth platform, LightDB State and Remote Procedure Calls (RPCs

Topics: device golioth mcp server tinymcp

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Show HN: A Language Server Implementation for SystemD Unit Files

news.ycombinator.com Unknown 2025-08-10 19:57:25

A Language Server Protocol (LSP) implementation for systemd unit files, providing editing support with syntax highlighting, diagnostics, autocompletion, and documentation. Features Core Language Server Features Syntax Analysis - Complete parsing of systemd unit file structure - Complete parsing of systemd unit file structure Diagnostics - Error detection and validation for sections, directives, directive fields and warnings for non-conventional configurations - Error detection and validatio

Topics: binary lsp server systemd unit

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Rust and WASM for Form Validation

news.ycombinator.com Sebastian Lauwers 2025-08-12 06:24:50

In recent years, Rust and WebAssembly have become much more usable for pure backend-style engineers. When I say “pure backend-style”, I mean people who never wrapped their heads around React, SPAs, and all that stuff. This, unsurprisingly, includes me. For a very long time, in order to use WASM you were strongly guided towards using Webpack and a whole array of Node-related tools in order to just get started. These days, luckily, the story has become much more streamlined. In today’s tutorial,

Topics: form login rocket server wasm

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Microsoft: Exchange Server Subscription Edition now available

bleepingcomputer.com Unknown 2025-08-15 00:03:23

Microsoft has announced that the Exchange Server Subscription Edition (SE) is now available to all customers of its enterprise email service. As the company explained, the Exchange Server SE RTM build released this week can be installed as a cumulative update (CU) on servers running Exchange Server 2019 CU15 or CU14, and it can also be joined to existing Exchange Server 2019 or Exchange Server 2016 organizations. While Exchange Server SE does not include major code upgrades or changes, and doe

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I built something that changed my friend group's social fabric

news.ycombinator.com Unknown 2025-08-17 01:49:35

This is a story that started back in 2022, but I think its a perfect time to reflect on the impact that it has had on my friend group still to this day. A year or so before COVID, our friend group dispersed across the world - I moved to Vancouver, one friend moved to the UK and another one moved to the United States. The rest of them still lived in Melbourne. Once COVID hit, like many others, we looked to find a way to keep in contact and still hang out. We have always been a big gaming group

Topics: channel discord friends joined server

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How proxy servers actually work, and why they're so valuable

zdnet.com David Gewirtz 2025-08-22 08:00:12

Getty/sasha85ru Let's talk about proxy servers. Proxy servers are often confused with virtual private networks (VPNs) because their network architectures are very similar. But proxies and VPNs are very different beasts. Don't worry: Below, I'll introduce you to proxy servers, compare and contrast them to VPNs, and describe the many different types of proxy servers and how they're used. Also: The best proxy server services of 2025 Defining proxy servers If you look at Webster's three definit

Topics: proxies proxy server servers traffic

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NordVPN review 2025: Innovative features, a few missteps

engadget.com Unknown 2025-08-23 04:06:50

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . NordVPN is as fast as it claims, but its apps sometimes get in their own way. When we say that NordVPN is a good VPN that's not quite great, it's important to put that in perspective. Building a good VPN is hard, as evidenced by all the shovelware VPNs flooding the market. NordVPN may

Topics: nordvpn security server servers vpn

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NordVPN Review 2025: Innovative features, a few missteps

engadget.com Unknown 2025-08-23 08:52:37

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . NordVPN is as fast as it claims, but its apps sometimes get in their own way. When we say that NordVPN is a good VPN that's not quite great, it's important to put that in perspective. Building a good VPN is hard, as evidenced by all the shovelware VPNs flooding the market. NordVPN may

Topics: nordvpn security server servers vpn

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Why is the Rust compiler so slow?

news.ycombinator.com Unknown 2025-08-23 02:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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IVPN review: This VPN takes privacy to the next level

zdnet.com Kennedy Otieno 2025-08-24 08:30:14

ZDNET's key takeaways IVPN is an open-source VPN with strong security protocols It's easy to set up, and doesn't require an email or credit card to sign up It's also pricier than other comparable VPN options that also offer faster speeds View now at IVPN I came across IVPN while researching the best VPNs for Linux. The provider claims that it doesn't need to pay for fake reviews or visibility because the app speaks for itself. And after testing it myself, I was impressed. It checked a lot of

Topics: app ivpn like server vpn

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“Why is the Rust compiler so slow?”

news.ycombinator.com Unknown 2025-08-23 22:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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Actively exploited vulnerability gives extraordinary control over server fleets

arstechnica.com Unknown 2025-08-24 11:52:42

Hackers are exploiting a maximum-severity vulnerability that has the potential to give them complete control over thousands of servers, many of which handle mission-critical tasks inside data centers, the US Cybersecurity and Infrastructure Security Agency is warning. The vulnerability, carrying a severity rating of 10 out of a possible 10, resides in the AMI MegaRAC, a widely used firmware package that allows large fleets of servers to be remotely accessed and managed even when power is unavai

Topics: 10 bmcs compromise servers vulnerability

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Active exploitation of AMI management tool imperils thousands of servers

arstechnica.com Unknown 2025-08-24 16:52:42

Hackers are exploiting a maximum-severity vulnerability that has the potential to give them complete control over thousands of servers, many of which handle mission-critical tasks inside data centers, the US Cybersecurity and Infrastructure Security Agency is warning. The vulnerability, carrying a severity rating of 10 out of a possible 10, resides in the AMI MegaRAC, a widely used firmware package that allows large fleets of servers to be remotely accessed and managed even when power is unavai

Topics: 10 bmcs compromise servers vulnerability

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"Why is the Rust compiler so slow?"

news.ycombinator.com Unknown 2025-08-24 23:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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MCP in LM Studio

news.ycombinator.com Unknown 2025-08-25 23:27:35

LM Studio 0.3.17 introduces Model Context Protocol (MCP) support, allowing you to connect your favorite MCP servers to the app and use them with local models. LM Studio supports both local and remote MCP servers. You can add MCPs by editing the app's mcp.json file or via the new "Add to LM Studio" Button, when available. Also new in this release: Support for 11 new languages, thanks to our community localizers. LM Studio is now available in 33 languages. Many bug fixes, as well as improvemen

Topics: lm mcp servers studio tool

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LM Studio is now an MCP Host

news.ycombinator.com Unknown 2025-08-27 20:27:35

LM Studio 0.3.17 introduces Model Context Protocol (MCP) support, allowing you to connect your favorite MCP servers to the app and use them with local models. LM Studio supports both local and remote MCP servers. You can add MCPs by editing the app's mcp.json file or via the new "Add to LM Studio" Button, when available. Also new in this release: Support for 11 new languages, thanks to our community localizers. LM Studio is now available in 33 languages. Many bug fixes, as well as improvemen

Topics: lm mcp servers studio tool

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The X Window System didn't immediately have X terminals

news.ycombinator.com Unknown 2025-09-02 14:50:24

For a while, X terminals were a reasonably popular way to give people comparatively inexpensive X desktops. These X terminals relied on X's network transparency so that only the X server had to run on the X terminal itself, with all of your terminal windows and other programs running on a server somewhere and just displaying on the X terminal. For a long time, using a big server and a lab full of X terminals was significantly cheaper than setting up a lab full of actual workstations (until inexp

Topics: didn people server terminal terminals

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Remote MCP Support in Claude Code

news.ycombinator.com Unknown 2025-08-29 20:52:24

Today, we’re announcing support for remote MCP servers in Claude Code. Connect your favorite tools and data sources to personalize your coding experience without needing to manage local servers. Using Claude Code as your primary development interface Claude Code can access both tools and resources exposed by MCP servers, giving it the ability to pull context from your third-party services—such as dev tools, project management systems, and knowledge bases—and take actions within those services.

Topics: claude code linear mcp servers

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Delta Chat is a decentralized and secure messenger app

news.ycombinator.com Unknown 2025-09-02 04:29:00

Delta Chat is a decentralized and secure messenger app 💬 Reliable instant messaging with multi-profile and multi-device support ⚡️ Sign up to secure fast chatmail servers or use classic e-mail servers 🥳 Interactive web apps in chats for gaming and collaboration 🔒 Audited end-to-end encryption safe against network and server attacks 👉 FOSS software, built on Internet Standards, avoiding xkcd927 :) Download Available on mobile and desktop.

Topics: available end multi secure servers

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Latest Tech News

Exposed MCP servers across the internet

Exposing the Unseen: Mapping MCP Servers Across the Internet

Upcoming coordinated security fix for all Matrix server implementations

Show HN: An MCP server that gives LLMs temporal awareness and time calculation

Show HN: I gave Claude a sundial and it built a calendar

The best free VPNs of 2025: Secure, safe, and fast VPNs

Show HN: CallFS – S3-style object store in one Go binary (MIT)

Show HN: asyncmcp – Run MCP over async transport via AWS SNS+SQS

Red Hat Technical Writing Style Guide

Microsoft Patch Tuesday, July 2025 Edition

Surfing on a Matchbox (1999)

tinymcp: Let LLMs control embedded devices via the Model Context Protocol

Show HN: A Language Server Implementation for SystemD Unit Files

Rust and WASM for Form Validation

Microsoft: Exchange Server Subscription Edition now available

I built something that changed my friend group's social fabric

How proxy servers actually work, and why they're so valuable

NordVPN review 2025: Innovative features, a few missteps

NordVPN Review 2025: Innovative features, a few missteps

Why is the Rust compiler so slow?

IVPN review: This VPN takes privacy to the next level

“Why is the Rust compiler so slow?”

Actively exploited vulnerability gives extraordinary control over server fleets

Active exploitation of AMI management tool imperils thousands of servers

"Why is the Rust compiler so slow?"

MCP in LM Studio

LM Studio is now an MCP Host

The X Window System didn't immediately have X terminals

Remote MCP Support in Claude Code

Delta Chat is a decentralized and secure messenger app

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