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Hardcount is an MIT, self-hosted usage billing server that prices AI tokens per model and shows margin per customer

Shown on HN Nov 3, the Go server takes usage events (or LiteLLM's) priced by model and token type, sells prepaid credit, makes monthly invoices that Stripe charges with no Stripe Billing fee, and keeps data in your own Postgres, with test clocks to preview a month's invoice. It's pre-1.0 with one maintainer, Stripe and cards only, and no production users yet (Show HN).

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Hookdeck Inspect is a free, no-account webhook tester your coding agent can drive with plain HTTP

Shown on HN Nov 3, curl X POST https://inspect.hookdeck.com/ returns an ingest url for webhooks and a requests url that long polls up to 25 seconds and hands back the next request as JSON, so an agent can test an integration end to end without a browser. It also ships mock payloads from 150+ providers like Stripe and GitHub, an OpenAPI spec, and an agent skill via npx skills add hookdeck/agent skills skill inspect (Show HN)…

Hookdeck (Show HN)

Inline Logs shows console.log values, crashes and fetch calls next to the line that made them in VS Code

Shown on HN Nov 3 under GPL 3.0, the free extension needs no config: open a new VS Code terminal, run npm run dev , node app.js or your tests, and values, red uncaught errors and GET 200 · 12 ms request lines appear inline, including browser console output from Next.js, Vite and webpack dev servers. An optional MCP server lets coding agents read the captured logs, errors and requests, and everything stays local…

Vectoys is an MIT library of 3D phones, laptops and toys for React landing pages, drawn as plain SVG

Shown on HN Nov 3, npx @vinena/vectoys cli add laptop (or the shadcn registry) copies one of 14 server rendered SVG items into your project, with live HTML screens you can type into and scroll driven kickflips, no WebGL or images; a one line prompt lets a coding agent place them on your page. Items need React 19+, and nothing ships for Vue, Svelte or plain HTML yet (Show HN)…

Vectoys (Show HN)

office-engine is an MIT React component that views and edits DOCX, XLSX and PPTX in the browser, no server

Shown on HN Nov 3, <DocViewer src={file} editable onSave={...} / streams files through a Web Worker with HTTP Range requests, and the author's own headless Chromium timing paints a 300k row, 24.8 MB sheet in about 330 ms, with 134 formula functions, real time collaboration and saves that only rewrite edited parts. It also ships as a single script <office viewer web component for non React pages (Show HN)…

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