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Machin Web

Category: Dev Tools  ·  Sub-category: tools-misc  ·  Last updated:
Build web apps in machin (MFL) — a native HTTP server, a JSON API, server-side rendering, and a reactive WebAssembly UI, all in one language with no Node/bundler. Use when writing or debugging a machin web app: a backend service, an SSR page, a wasm SPA, an isomorphic full-stack app, or a CRUD back-office. Covers the machweb/reactive/router/flags frameworks, cookies + signed sessions, OAuth2/OIDC SSO, the wasm bridge + host↔wasm marshaling, the generic JS host, the pure-MFL Postgres/MySQL/Mongo/Redis drivers, build-and-verify, and the hard-won gotchas. Distilled from the web + backend dogfood (machin v0.50–v0.73).
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

machin compiles MFL to a native binary (the server) and to WebAssembly (the browser client). One language does both ends of the wire — server, API, SSR HTML, and a fine-grained reactive UI — with no Node, no bundler, no node_modules. The JS host is a fixed ~30 lines; everything else is MFL.

What this skill does

Machin Web is a community-contributed Claude Code skill in the tools-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/machin-web/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when writing or debugging a machin web app: a backend service, an SSR page, a wasm SPA, an isomorphic full-stack app, or a CRUD back-office. Covers the machweb/reactive/router/flags frameworks, cookies + signed sessions, OAuth2/OIDC SSO, the wasm bridge + host↔wasm marshaling, the generic JS host, the pure-MFL Postgres/MySQL/Mongo/Redis drivers, build-and-verify, and the hard-won gotchas.

Who uses this skill

The Machin Web Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 154,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/machin-web
curl -L https://claudskills.com/skills/machin-web/SKILL.md \
  -o ~/.claude/skills/machin-web/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/machin-web/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/machin-web/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\machin-web\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Machin Web Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/machin-web/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Machin Web skill do?
Build web apps in machin (MFL) — a native HTTP server, a JSON API, server-side rendering, and a reactive WebAssembly UI, all in one language with no Node/bundler. Use when writing or debugging a machin web app: a backend service, an SSR page, a wasm SPA, an isomorphic full-stack app, or a CRUD back-office. Covers the machweb/reactive/router/flags frameworks, cookies + signed sessions, OAuth2/OIDC SSO, the wasm bridge + host↔wasm marshaling, the generic JS host, the pure-MFL Postgres/MySQL/Mongo/Redis drivers, build-and-verify, and the hard-won gotchas. Distilled from the web + backend dogfood (machin v0.50–v0.73).
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Machin Web skill?
Use Machin Web when your Claude Code task falls under the Dev Tools category — specifically in the tools misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Machin Web" or describe the task and let Claude pick). Browse related skills at /category/tools/.
What is a Claude Code skill and how does the Machin Web skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Machin Web is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Dev Tools category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
javimosch. (2026). Machin Web [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/machin-web/
BibTeX
@misc{machin-web-2026,
  author    = {javimosch},
  title     = {Machin Web [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/machin-web/}
}

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Security scan

Grade A · scanned 2026-07-20 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

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