Shown on HN Nov 3, the free Mac, Windows and Linux desktop app detects your installed coding agents and runs their CLIs beside a canvas of real HTML and CSS, so you can drag or restyle what they build, pin comments for them, or reprompt a selected element, with no MCP or API setup. It also covers motion, SVG and 3D, imports designs from web pages, and exports plain HTML/CSS.
Shown on HN Nov 3, you describe an object or attach an image, approve a build brief, and agents deliver STEP or STL files, editable CAD, a parts plan, build instructions and firmware for supported electronics, with quotes and print farm ordering for supported 3D prints. It uses plans and AI credits, and custom PCB design isn't supported (Show HN)…
Shown on HN Nov 3, DevBox runs one sandbox per task with no real secrets inside, on Kubernetes or your own machine, plus a CLI that spins up dependent services for end to end checks and hooks into Slack, Linear and GitHub. RudderStack says it has merged over 1,900 PRs from it since April, mostly small to mid features, while bigger projects still go to Claude or Codex (Show HN)…
Shown on HN Nov 4, it adds atomic ack and send so queues can model state machines, writes each message to disk and replicas before a send succeeds, and ships an open source Go CLI and library plus agent skills, with an in memory Docker image for local testing. The server is closed source with no self hosting, and plans start at £29 a month after a 60 day no card trial (Show HN)…
Shown on HN Nov 3, it keeps every version of the tool descriptions from about 336,000 MCP servers, skills and plugins across 20 public sources and grades each change by a written rule, and npx smallprint check or the VS Code/Cursor extension checks your own setup with no account. Daily change briefs can go to email, Slack, Discord or ntfy, and the free plan keeps 25 pins (Show HN)…
Shown on HN Nov 3, it hashes changelog, deprecation, status and pricing pages from the big AI labs every few hours, has two models validate each diff, and posts it to a feed you can filter by model, agent or company, with an optional digest. The maker says the feed already holds about 400 changes, 21 of them breaking (Show HN)…
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