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GitHub (p10node/office-engine) ·

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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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)

Claude Tandem runs several Claude accounts side by side on a Mac and hands projects between accounts and Macs

Shown on HN, brew install altsang/tap/claude tandem adds profiles with their own Claude app and Claude Code sign ins while sharing skills, settings.json , CLAUDE.md and plugins, plus badged Dock icons to tell them apart. When one account hits its limit, tandem send and tandem receive move a project's files and memory to another account or Mac over iCloud Drive by default, with every file verified (Show HN)…

GitHub (altsang/claude-tandem)

MCPgraphy is an MIT proxy that learns when your agent's MCP tools fail and warns or blocks the next bad call

Shown on HN Nov 3, mcpgraphy wrap policy warn <server command sits in front of any MCP server, reads touched resources before and after each call to build a graph of which tools worked from which state, then warns or refuses repeats of known failures locally with no keys or extra probing. In the author's simulated benchmark, GPT 5.4 mini finished 99% of jobs behind the proxy versus 74% on raw tools, and anything the agent never tried stays marked unknown (Show HN)…

GitHub (hemanth1999k/mcpgraphy)

Agent Remote lets you follow and steer Claude Code or Codex sessions on your Mac from an iPhone or laptop

Shown on HN Nov 3 under MIT, the Mac app pairs devices by QR code over an end to end encrypted relay (X25519 plus AES 256 GCM, no accounts) so you can stream replies, answer permission prompts and send files from your phone, then pickup the same session in Terminal. It also keeps a local wiki of your projects that seeds each new session, and warns that anyone you pair can direct agents with full access to your Mac (Show HN)…

Agent Remote (Show HN)

SFXMint lets Claude Code, Cursor and Codex pull CC0 game sound effects over a keyless MCP server

Shown on HN Nov 3, claude mcp add transport http sfxmint https://sfxmint.com/mcp lets an agent fetch named sets like jump, coin and hit from a library of 9,700+ AI generated CC0 sounds and save them into your project with a SOUNDS.md list, no key needed. Generating sounds the library lacks needs an account and API key, and the site says plain library downloads are capped at 3 a day unless you buy something…

SFXMint (Show HN)

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