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I built a self-hosted license key manager for my Gumroad products (0 sales so far)

I sell boilerplates on Gumroad. Source code, you download a ZIP, you run it. Over the last few months one thought kept nagging me: if I ever wanted to actually license one of these products, or sell a paid tool that checks a key when it runs, I would have to sign up for some license-key SaaS and pay monthly for the privilege. The cheap ones start around 20 a month. For a side project that makes nothing yet, that math is bad. https://keymint.pages.dev const res = await fetch("https://your-keymint

webdevreactnode
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ExternalSoftware Engineering
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The Best Claude Setup (That Works on Any AI Tool)

Here is a confession that might sound odd in a guide about setting up Claude Code: the goal is not to marry Claude Code. The goal is to build a setup so portable that if something better ships next month — OpenAI's Codex, Cursor, Windsurf, whatever wins the week — you could pack up everything you have built and move in an afternoon. Your instructions, your custom tools, your reusable workflows: all of it should come with you. That sounds like a strange thing to optimize for. Most "best setup" po

claudecodemcpagentsmd
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ExternalSoftware Engineering
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HTTP/2 Bomb (CVE-2026-49975): the HPACK + flow-control DoS, and how to patch it

Two bugs that have each been public for a decade just got composed into one remote denial-of-service that knocks over five of the most widely deployed web servers in their default config. A single client on a home 100Mbps connection can pin roughly 32GB of RAM in about 20 seconds. No botnet, no credentials, one laptop. The chain itself is not the interesting part. The interesting part is that an AI found it by reading the codebases and noticing two known-bad behaviors compose, and that the publi

aisecuritydevops
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ExternalSoftware Engineering
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Scarab Diagnostic Suite Field Test #011: LangChain Structured Output Streaming Boundary

This field test was against LangChain. The issue was LangChain #34818: https://github.com/langchain-ai/langchain/issues/34818 The reported problem was that agent streaming behaved differently when structured output was enabled. Without structured output, the agent could stream natural language before calling a tool. With structured output enabled through ToolStrategy, that intermediate text disappeared. That matters because it breaks a common agent experience: “I’m going to check that now...” to

agentsaillm
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ExternalSoftware Engineering
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The classic "Frankenstein" of webhook debugging:

Fire up ngrok to expose your local port Open webhook.site to see if Stripe or WhatsApp actually hits you Run an eternal curl to replicate the request Get lost in a sea of scattered logs or text files ✅ It works. We've all done it for years. I always felt there should be a tool that centralizes this whole workflow, runs 100% on your own infrastructure, and respects privacy. Since I didn't find one… I built it. 🔥 HookShot ⚓ Open Source – built for devs who deal with webhook chaos daily. If you wo

apiopensourceshowdev
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ExternalSoftware Engineering
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Suno's $400M Raise: What AI Music Means for SL Builders

Suno AI music copyright trouble has not slowed the money down one bit. The AI music generation startup just raised another $400 million, which now values it at over $5.4 billion — even while it is still defending copyright lawsuits over how its model was trained. About seven months earlier, the same company raised at a $2.45 billion valuation, so the price roughly doubled in well under a year. I read this in TechCrunch's report, Still facing copyright lawsuits, AI music generator Suno raises ano

aimusiccopyrightstartupfunding
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AI 週報 — 2026-05-29 to 2026-06-05 | OpenAI 前沿模型登陸 AWS：基礎模型通路戰開打

OpenAI 的前沿模型正式登陸 AWS Bedrock。GPT-5.5 與 GPT-5.4 現在可直接透過 Amazon 的基礎設施呼叫，繞過 OpenAI 自己的 API 與計費流程OpenAI frontier models and Codex are now available on AWS - OpenAIGet started with OpenAI GPT-5.5, GPT-5.4 models, and Codex on Amazon Bedrock - Amazon Web Services (AWS)。這是基礎模型通路競爭最具實質意義的一步。 過去幾年，企業要用 GPT-5，邏輯很簡單：拿 OpenAI API key，在自己的系統裡串接，給 OpenAI 付費。這個模式對新創公司夠用，但對大型企業是採購與合規的雙重障礙——企業有既定的雲端供應商、既有預算架構、既有的資安審查流程，繞過這些的摩擦遠高於定價差異。 現在遊戲規則變了。GPT-5.5 進入 AWS Bedrock，企業可以直接用內部既有的雲端基礎設施訂閱 frontier model，計費打在同一張帳單上

aimachinelearningtech
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