标签：#opensource

local + echo = locho Sometimes you don't need access to a machine. You don't need a shell. You...

GitHub热门项目 | 《深入理解 AI Agent：设计原理与工程实践》（李博杰 著）开源主仓库：全书正文、编译版 PDF 与按章配套代码 | Stars: 5,299 | 1,734 stars today | 语言: Python

This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry . Project Overview Formbricks is an open-source survey and experience management platform built with Next.js, TypeScript, React, and Tailwind CSS. It lets teams create and deploy surveys across websites, apps, and email. Developers can self-host it or use the cloud version. With over 12,000 GitHub stars and hundreds of contributors, it is one of the most actively maintained open source alternatives to Qualtrics. Bug Fix or Performance Improvement Formbricks supports custom regex validation rules on survey questions. A survey creator can set a pattern that user responses must match before they are accepted. The problem was in how that pattern was stored. The validation schema for regex pattern rules only checked that the input was a non-empty string: // Before the fix export const ZValidationRuleParamsPattern = z . object ({ pattern : z . string (). min ( 1 ), flags : z . string (). optional (), }); z.string().min(1) means "give me any string with at least one character." It does not verify that the string is actually a valid regular expression. So a survey creator could type [invalid as their pattern, the schema would accept it, it would be saved to the database, and then when a real user submitted a response, the system would try to run new RegExp("[invalid") , JavaScript would throw a SyntaxError , and the survey would crash silently at runtime. The bug never surfaced during setup. It only appeared when a real user was trying to submit a real response. Code Pull Request: github.com/Tobore005/formbricks/pull/1 Here is the fix: const isValidRegexPattern = ( pattern : string ): boolean => { try { new RegExp ( pattern ); return true ; } catch { return false ; } }; const isValidRegexFlags = ( flags : string | undefined ): boolean => { if ( flags === undefined ) return true ; try { new RegExp ( "" , flags ); return true ; } catch { return false ; } }; export const ZValidationRuleParamsPa

Are AI Agent Engrams Open Source or Proprietary? The short answer: both, and the split matters. The major agent-memory engines — Mem0, Letta, Cognee, Graphiti, LangMem, and PLUR — are all Apache-2.0 or MIT licensed on GitHub. But "open source" and "open format" are not the same thing. A project can ship under Apache-2.0 while storing your memories in opaque vector blobs you cannot read, edit, or export. The real question is not whether the software is open — it usually is — but whether your memories are. This distinction separates the field into three tiers: fully open (software + format + data you own), open-core (software is open, but the hosted memory is not portable), and fully proprietary (memory baked into a model provider's infrastructure, no export at all). Why this question exists AI agents face a brutal constraint: they forget. Every new session starts blank. Every context window overflows. The fix is persistent memory — but persistent where, and in whose format? The term "engram" comes from neuroscience. Richard Semon coined it in 1904 for the physical trace a memory leaves in biological tissue (Semon, 1904; cited in Wikipedia, "Engram (neuropsychology)"). Applied to AI agents, an engram is one discrete thing an agent has learned — a correction, a preference, a procedure — stored so it survives across sessions. The question "open source or proprietary?" asks two things at once: Is the engine that stores and retrieves engrams open source? Is the format those engrams are stored in open — readable, editable, portable? Conflating the two is how vendors end up with open-source repos and locked-in data. Tier 1: Fully open — software, format, and data These projects ship under permissive licenses (Apache-2.0 or MIT) AND store memory in a format you can inspect, edit, and export. Project License Stars (Jul 2026) Memory format Data ownership PLUR Apache-2.0 ~215 Human-readable YAML engrams Yours — plain files PLUR stores each engram as a plain-text YAML entry — an

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Part of a series on building cz-agents → under the hood. Where we left off In June, I compared the three camps of agentic payments here—x402, card tokens, and banks—and argued that x402 will take machine-to-machine micropayments, while cards and banks split the rest. I won't repeat the basics of the protocol, how the 402 status code works, or why cards don't add up economically on tiny amounts; anyone who needs a refresher will find it in that article. This piece is about something else. A few weeks have passed; the numbers and the big-player backing have both jumped by an order of magnitude, and for the first time, I can compare those figures against what I actually see in my own logs. The gap between the two is the entire point of what follows. The numbers are hard to miss I'll start with what speaks for x402, because that's the more honest approach. According to aggregate Chainalysis data, the protocol has processed over 169 million payments so far, between roughly 590,000 buyers and 100,000 sellers. That's no longer a conference demo. More interesting than the volume is the structural shift. The share of transactions above one dollar rose from 49% in early 2025 to roughly 95% in early 2026. In other words: x402 is ceasing to be a toy for micro-cents and is starting to handle amounts that actually show up on the books. Anyone who wrote the protocol off as a curiosity for paying fractions of a cent per API query is looking at an old snapshot. Above all, a lineup has assembled that is hard to dismiss as crypto-bubble enthusiasts: Stripe launched x402 support on February 10, 2026, in the preview of its Machine Payments product (USDC on the Base network). Ripple added native x402 to the XRP Ledger on June 21, 2026. AWS built x402 into Bedrock AgentCore Payments—together with Coinbase and Stripe—and also lets you monetize agent traffic on CloudFront and WAF. Sites behind Amazon's edge can charge agents right at the edge, without touching their core application. Google

I Built an Open-Source Lab to Learn the OWASP Top 10 for LLM Applications Over the past few months, I've been exploring the security challenges around Large Language Models. While there are plenty of articles explaining prompt injection, system prompt leakage, insecure tool usage, and other LLM vulnerabilities, I kept asking myself one question: Where can someone actually practice exploiting these vulnerabilities? That's what led me to build LLMVault . LLMVault is an open-source, intentionally vulnerable platform that helps developers and security professionals learn the OWASP Top 10 for LLM Applications (2025) through hands-on labs instead of theory. Each lab simulates a vulnerable AI application inspired by real-world LLM attack scenarios. Instead of reading about prompt injection, you'll exploit it yourself, capture flags, understand why it worked, and then review the recommended mitigation. The objective is to bridge the gap between theory and practical AI security. Why I built LLMVault When learning web security, platforms like DVWA, WebGoat, and Juice Shop made learning practical. For AI security, I couldn't find a similar project that was: Open source Self-hosted Free to use Designed around the OWASP LLM Top 10 Built as a hands-on learning environment So I decided to build one. What is LLMVault? LLMVault is a deliberately vulnerable AI application where every challenge demonstrates a real-world LLM security issue. Instead of simply reading about prompt injection or system prompt leakage, you exploit vulnerable AI assistants, capture flags, and learn why the attack works. Each challenge also includes defensive guidance so you understand how to prevent the same issue in production. Features 🛡️ OWASP Top 10 for LLM Applications (2025) 💥 CTF-style challenges 🔍 Realistic AI attack scenarios 📚 Defensive explanations 🐳 Docker support 🔑 No API keys required 💻 Fully offline 🧩 Extensible challenge framework Getting Started Clone the repository: git clone https://github

Over the past few months I’ve been building Radar, an open-source media intelligence and social listening platform that anyone can self-host. The project started with a simple observation: most media monitoring platforms are incredibly powerful—but they’re also expensive, closed, and often lock users into proprietary AI services. I wanted to explore a different approach. What is Radar? Radar is a self-hostable platform for monitoring news and public media sources using AI. Instead of relying on proprietary datasets, it works with free public RSS and Atom feeds, allowing anyone to build their own monitoring environment. One of the core design decisions is that Radar is AI-agnostic. Rather than forcing a single provider, you can choose between: Anthropic Claude OpenAI Grok Current Features 📰 News aggregation from free RSS and Atom feeds 🤖 AI-powered summaries 😊 Sentiment analysis 🔍 Keyword and topic monitoring 📊 Searchable dashboard 🏠 Self-hosted deployment 🔓 Fully open source Why Build Another Media Intelligence Tool? Enterprise platforms such as Talkwalker and Brandwatch are excellent products, but they aren’t accessible to everyone. Radar is aimed at: developers startups journalists researchers agencies open-source enthusiasts The goal isn’t to replicate every enterprise feature, but to build a transparent, extensible, and self-hosted alternative that anyone can inspect, modify, and improve. Looking for Feedback The project is still under active development, and I’d really appreciate feedback on: architecture user experience deployment scalability AI abstraction features that would make the platform more useful If you’re interested in open-source AI, media monitoring, or self-hosted software, I’d love to hear your thoughts. GitHub Demo Contributions, suggestions, feature requests, and bug reports are all welcome.

🚀 400 Downloads. $0 Spent. Here's the Exact Breakdown. TL;DR — No ads, no PR agency, no paid promotion. Just specific, honest, cross-platform posting, one external "100% Clean" certification, and a refusal to oversell. Here's exactly what moved the needle, in order of impact. Akhouri Systems started with nothing — no audience, no mailing list, no existing following. Just a GitHub account, a Windows security suite called ATLOCK, and enough confidence in the product to put it in front of strangers. Here's what actually happened. 📊 The Starting Point Day 1Audience0Ad budget $0 Team1 (me)Funding ₹0Product ATLOCK — a Windows security suite, single .exe, offline-first 🎯 What Actually Moved the Needle 1️⃣ Specificity beats enthusiasm, every time Every post that worked wasn't "check out my app" — it was a verifiable technical claim: NTFS ACL-level file locking that even admin can't bypass. AES + PBKDF2 vault encryption, 200,000 iterations. Developers can smell vague marketing copy from a mile away. Real numbers and real mechanisms are the entire trick. 2️⃣ Same product, three different posts The same copy-pasted paragraph across every platform reads as spam — even when it's not. So: Platform Angle dev.to Technical breakdown, deep detail Peerlist Short, personal, punchy LinkedIn Credibility-first, professional tone 3️⃣ Admitting weaknesses on purpose One of the highest-engagement posts I wrote was a direct ATLOCK vs. commercial security software comparison — including an honest section on where commercial tools still win (malware detection, official support, code-signing). Nobody trusts a post that claims to be perfect. Naming the weaknesses bought more credibility than it cost. 4️⃣ Independent validation compounds differently Getting listed on Softpedia mattered more than expected — not for raw traffic, but because a "100% Clean" certification and an independent 3.5/5 review from a party with zero stake in the outcome hits differently than another self-posted announcement.