Codex for Claude Code 🤝, don’t let AI write for you ✍️, future of vulnerabilities 🍳

The Codex plugin integrates OpenAI's Codex into Claude Code, allowing users to perform advanced code reviews and delegate tasks ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With  TLDR Dev 2026-03-31 Turn unstructured enterprise data into auditable answers, without the infra burden (Sponsor) Progress Agentic RAG gets insights from your unstructured data at 80% less cost than building RAG tech yourself. >> Automatically index enterprise sources like Google Drive, AWS S3, SharePoint, and more  >> Use 30+ advanced retrieval strategies to tune for a specific use case  >> Instantly swap between 40+ LLMs or bring their own model  >> Built-in evaluation (REMi) to measure groundedness, answer quality, and relevance >> Operate securely at scale with built‑in governance and traceability to source files Get started for free → 🧑‍💻 Articles & Tutorials What we learned building 200+ API integrations with OpenCode (11 minute read) Nango used OpenCode to develop an autonomous agent that generates hundreds of API integrations in minutes for a fraction of the traditional cost. While highly efficient, the project showed that these agents require strict guardrails and constant verification to actually be reliable and fully usable. Start naming your useEffect functions, you will thank me later (12 minute read) Naming your useEffect callbacks instead of leaving them as anonymous arrow functions makes it easy to skim a component's intent from function names alone. The naming also acts as a design forcing function. If you can't name an effect without "and," it's doing too much, and if the best name sounds like internal state shuffling, it probably shouldn't be an effect at all. How VS Code Builds with AI (10 minute read) The VS Code team describes how AI agents enabled a shift to weekly releases by automating tasks like triage and PR generation, doubling commit volume. Maintaining high velocity requires good testing harnesses and mandatory automated reviews to prevent regressions. 🧠 Opinions & Advice Don't Let AI Write For You (3 minute read) Don't use LLMs to write documents. Doing so is a missed opportunity for personal growth and a betrayal of professional trust. Writing is a cognitive exercise necessary for developing a deep understanding of topics. Nobody Reads Your Setup Docs (6 minute read) Complex and manual setup instructions for AI coding agents, requiring users to edit configuration files, are a major barrier to product adoption. A better solution is a single command that scans a user's machine, writes the necessary agent configurations, and installs agent skills to teach agents how to use the tool directly. The Top 10 Biggest Conspiracies in Open Source (15 minute read) The article talks about ten fake conspiracy theories about open source, such as Dependabot as recruiter surveillance, Kubernetes as a Google jobs program, git as a declassified Finnish military system, and more. 🚀 Launches & Tools How to choose a JavaScript logging library (Sponsor) Logging libraries provide structured outputs so you and your AI agents see what actually needs fixing. In this Sentry blog, you'll get a side-by-side comparison of the top JavaScript logging libraries to find the best fit for your use case. Read the blog Codex plugin for Claude Code (GitHub Repo) The Codex plugin integrates OpenAI's Codex into Claude Code, allowing users to perform advanced code reviews and delegate tasks like bug fixes via background jobs. It uses existing Codex CLI configurations to provide an easy workflow for the combo. Semiotic (GitHub Repo) Semiotic is a React data visualization library that provides a broad range of standard and advanced chart types, including complex network, streaming, and real-time geographic visualizations. The library is specifically designed for AI-assisted development, with machine-readable schemas and diagnostic tools to help coding assistants generate accurate chart code. 🎁 Miscellaneous Vulnerability Research Is Cooked (13 minute read) AI coding agents will transform vulnerability research and exploit development by using LLMs to discover high-severity vulnerabilities across software faster than ever. This means that there will also be an overwhelming amount of zero-day exploits in networked devices. 96% of codebases rely on open source, and AI slop is putting them at risk (12 minute read) AI-generated slop is overwhelming open-source software maintainers. An influx of poor contributions undermines the collaborative model, introduces security risks, and makes open-source projects unsustainable, forcing some to shut down. Maintainers are implementing stricter AI policies as a result. ⚡ Quick Links TLDR is hiring a Senior Software Engineer, Applied AI ($250k-$350k, Fully Remote) As the first engineer on TLDR's new Applied AI team, you'll build AI agents to automate end-to-end workflows and lead our context engineering project to allow non-technical teammates create their own AI workflows. Learn more. How I manage Images for my Blog (5 minute read) This dev created a forked Excalidraw VSCode extension to automatically generate light and dark mode SVG images from framed elements in his Excalidraw files. I am definitely missing the pre-AI writing era (4 minute read) After a technical draft was rejected for sounding AI-generated, this person felt that reliance on LLMs has eroded her natural writing voice and creativity. How to turn anything into a router (11 minute read) Motivated by a potential ban on new consumer routers, this guide shows how to turn virtually any Linux-compatible computer, even old or "junk" hardware, into a fully functional and customizable home network router using free and open-source software. GitHub backs down, kills Copilot PR 'tips' after backlash (6 minute read) Following developer backlash, GitHub reversed its decision to allow Copilot to automatically insert promotional "tips" (ads) into users' pull requests. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/d0af4569/3 Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of web developers and engineering decision makers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here, create your own role or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! TLDR is one of Inc.'s Best Bootstrapped businesses of 2025. If you have any comments or feedback, just respond to this email! Thanks for reading, Priyam Mohanty, Jenny Xu & Ceora Ford Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR Dev isn't for you, please unsubscribe.