DEV Community • 2026-07-30 18:01

How to Build a Twitter/X Bot with Python in 2025

How to Build a Twitter/X Bot with Python in 2025 tags: python, security, tutorial, tools tags: python, security, tutorial, tools tags: python, security, tutorial, tools Imagine typing your master key once and instantly unlocking passwords for every site you visit, all stored in a file that looks like gibberish to anyone who tries to peek. That’s the power of building your ow...

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DEV Community • 2026-07-30 18:01

Building Reliable AI Agents: Lessons from Failed Bots, FSMs, and the Hidden Costs of Agentic Workflows

Originally published on tamiz.pro. The initial promise of Generative AI was straightforward: automate knowledge work. Early implementations often looked like sophisticated chatbots—stateless, reactive, and driven by a single prompt-response cycle. But as the industry matured, the demand shifted from conversational interfaces to Agentic Workflows: systems that perceive, plan, act, and observe to a...

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DEV Community • 2026-07-30 18:00

Python pathlib: Modern File Path Handling Guide

Python pathlib: Modern File Path Handling Guide tags: python, tutorial, programming, beginners tags: python, tutorial, programming, beginners tags: python, tutorial, programming, beginners tags: python, tutorial, programming, beginners tags: python, tutorial, programming, beginners tags: python, automation, tools, tutorial tags: python, automation, tools, tutoria...

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DEV Community • 2026-07-30 18:00

OpenAI GPT-5.6 Puts Efficiency at the Center of Its New Model Family

OpenAI has publicly released the GPT-5.6 model family, led by GPT-5.6 Sol and accompanied by the lower-cost Terra and Luna variants. The launch makes efficiency a central part of the product message, alongside flagship performance and platform capabilities such as Programmatic Tool Calling and multi-agent support. For businesses using OpenAI models, the practical story is not only a new flagship o...

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DEV Community • 2026-07-30 18:00

Supply Chain Attacks verstehen: Praktische Tipps zur Abwehr von 2026

Hook‑Einleitung „Ich dachte, mein Code ist sicher, weil ich ihn selbst geschrieben habe.“ – Diese Aussage klingt fast wie ein Mantra für viele Entwickler. In der Realität steht das Wort Supply‑Chain jedoch für eine unsichtbare Angriffsfläche, die jede Zeile Code, jedes Docker‑Image und sogar jede Firmware‑Version durchdringen kann. Im letzten Jahr allein haben neun‑fache Unternehmensaus...

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DEV Community • 2026-07-30 18:00

3 MCP servers I actually use daily (and how to set them up)

Not a hype list. These are the three MCP servers I have running right now in Claude Desktop. 1. Filesystem mcp-hub install @modelcontextprotocol/server-filesystem I use this to let Claude read project files directly instead of me copy-pasting code. Configure it to point at your project root. Real usage: "Read the auth module and explain how the token validation works." ...

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DEV Community • 2026-07-30 18:00

Benchmarking Bun and Node.js for a High-Throughput Video Metadata API

Our metadata endpoint spent more time in the runtime than in SQLite At ViralVidVault we track viral video trends across European markets, and our hottest internal endpoint is a batch metadata API. You hand it 50 to 200 video IDs and it returns normalized records: title, channel, origin region, 24-hour view velocity, and the GDPR consent flags that decide whether a clip can be personaliz...

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Skybridge: Build ChatGPT apps and MCP connectors
LogRocket Blog • 2026-07-30 17:58

Skybridge: Build ChatGPT apps and MCP connectors

Learn how to use Skybridge, an open-source React framework, to build and deploy cross-platform AI apps and interactive UI widgets for ChatGPT, Claude, and MCP clients from a single codebase. The post Skybridge: Build ChatGPT apps and MCP connectors appeared first on LogRocket Blog.

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DEV Community • 2026-07-30 17:58

Giving every AI agent its own mailbox: the architecture behind a self-hosted MCP mail server

My agents keep needing to read email. Signup codes, verification links, password resets: every automated workflow that touches a third-party service eventually hits an inbox. There are hosted APIs for this, and they work fine until you think about what's actually in those emails. In a signup flow, the message with the verification code is the account credential. Every one of them passes through so...

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Experienced Devs • 2026-07-30 17:57

A developer at my company used Claude Code to argue with infrastructure in Teams, and it felt like a Black Mirror episode

A pipeline build was creating more than 5 GB every run and filling up company storage, so infrastructure paused it. The developer responsible has been at the company for 20 years. Instead of explaining the issue himself, he kept posting screenshots of Claude Code telling him what to say and how to argue that the build should be unpaused. Claude suggested off-topic things (like just accepting that ...

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Hacker News • 2026-07-30 17:55

Show HN: Tally – check a spreadsheet's numbers against their source, in-browser

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DEV Community • 2026-07-30 17:54

Durable, persistent memory for agents

Context windows make agents look stateful right up until the moment they need to resume tomorrow, survive a restart, or remember a user preference from last week. When facts, workflow progress, and approvals live only in the prompt, every new turn becomes a reconstruction job, and the failure is architectural rather than model-level. The most useful design rule here is simple: keep authoritative ...

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Hacker News: Front Page • 2026-07-30 17:52

CodePen 2.0

Article URL: https://chriscoyier.net/2026/07/30/codepen-2-0/ Comments URL: https://news.ycombinator.com/item?id=49113338 Points: 9 # Comments: 0

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DEV Community • 2026-07-30 17:50

Skills vs MCP: How AI tools have evolved

Eighteen months ago, MCP was the thing. Every demo and chatbot connector was running on MCP under the hood. When I started seeing everyone talk about Skills, I got curious. How are MCP and Skills connected? Are they different lenses on the same problem? I brought these questions to @greggyb again in our latest video. What's in the video What MCP actually does: giving a model pr...

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DEV Community • 2026-07-30 17:49

EU AI Act High-Risk Deadline: August 2, 2026 — What U.S. AI Companies Must Do Now

The EU AI Act's high-risk deadline is August 2, 2026 — 9 days from this article's publication. If your AI system serves EU users and falls under Annex III, you have days to meet conformity obligations. Fines start at €15M or 3% of global turnover. Most U.S. AI founders are watching the EU AI Act the way they watched GDPR in 2018 — "it doesn't apply to us." It does. The Act is extraterritorial. If...

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DEV Community • 2026-07-30 17:44

I deleted my source code and regenerated it in a different language

Every team eventually says the same sentence about its own system: nobody knows why it does that any more. The code is still there. It compiles, it ships, it serves traffic at three in the morning. What has gone is the knowledge that produced it. The rule someone agreed with a customer four years ago. The constraint that forced an architecture decision. The reason a strange workaround exists in t...

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DEV Community • 2026-07-30 17:44

Junior Me vs Senior Me: Same Bug, Completely Different Reaction

Same category of bug. Years apart. Wildly different me showing up to deal with it. The production error at 6pm on a Friday Junior me: heart rate triples, opens fifteen tabs, considers whether this is the moment my career ends Senior me: sighs, opens one tab, asks "is anyone actually affected right now or is this just noisy logs" ***The "it works on my machine" moment* Junior me: insists loudly ...

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DEV Community • 2026-07-30 17:42

OpenAI Says GPT-5.6 Stack Optimizations Cut End-to-End Serving Costs by About 20%

OpenAI says its GPT-5.6 model family is the product of efficiency work across the model, inference infrastructure and agent orchestration layers. In its official GPT-5.6 efficiency update, the company reports that kernel and orchestration improvements reduced end-to-end serving costs by about 20%, while enabling higher-throughput, lower-cost inference for GPT-5.6 Sol. The important point is that ...

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DEV Community • 2026-07-30 17:35

🔐 SSH Essentials Every DevOps Engineer Should Know

If you're learning DevOps, Cloud Computing, or System Administration, SSH is one of the most important skills you'll ever learn. Almost every cloud server, Kubernetes node, CI/CD runner, and Linux machine is managed remotely through SSH. Without SSH, you simply can't access or manage production infrastructure effectively. As part of my DevOps learning journey, I spent time understanding how SSH ...

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Hacker News: Front Page • 2026-07-30 17:31

We Gave GPT 5.6 Sol a Real Business. It Lied, Spammed, and Lost $447

Article URL: https://www.bottlenecklabs.com/blog/autonomously-run-businesses Comments URL: https://news.ycombinator.com/item?id=49113059 Points: 22 # Comments: 3

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