📦

server

Model Context Protocol server for HyperFixi hyperscript development

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Installation

npx @hyperfixi/mcp-server

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Documentation

HyperFixi

A tree-shakeable _hyperscript runtime. Human-readable UI behaviors from 7 KB.

Try It

Save this as an HTML file and open it in your browser — or try it live.

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
  </head>
  <body>
    <button _="on click toggle .active on me">Toggle</button>

    <button
      _="on click
        set my.count to (my.count or 0) + 1
        then put 'Clicks: ' + my.count into me"
    >
      Clicks: 0
    </button>

    <button _="on click toggle @hidden on #message">Show/Hide</button>
    <p id="message">Hello from HyperFixi.</p>

    <style>
      .active {
        background: #0066cc;
        color: white;
        border-radius: 4px;
      }
    </style>
    <script src="https://unpkg.com/@hyperfixi/core/dist/hyperfixi-hybrid-complete.js"></script>
  </body>
</html>

No server, no npm, no build step. Just save and open.

Install

CDN (simplest):

<script src="https://unpkg.com/@hyperfixi/core/dist/hyperfixi-hybrid-complete.js"></script>

Vite (recommended for production):

npm install @hyperfixi/vite-plugin

// vite.config.js
import { hyperfixi } from '@hyperfixi/vite-plugin';
export default { plugins: [hyperfixi()] };

The plugin scans your files for _="..." attributes and generates a minimal bundle with only the commands you use.

What You Get

43 commands -- toggle, add, remove, set, put, fetch, repeat, if/else, and more
_hyperscript compatible -- existing hyperscript code works as-is
Tree-shakeable -- ship only the commands you use (1.9 KB to 200 KB)
TypeScript types -- full type safety with comprehensive definitions
Optional multilingual -- write hyperscript in 24 languages (lokascript.org)
Optional htmx compat -- htmx-like attributes via the hyperfixi-hx.js bundle
8100+ tests across all packages

Package Scopes

@hyperfixi/* -- Core engine: runtime, parser, commands, vite-plugin, behaviors
@lokascript/* -- Multilingual: semantic parser, i18n grammar, language tools, domain DSLs

Use @hyperfixi/* packages. Add @lokascript/* only if you need multilingual support.

Learn More

Choosing a bundle -- 6 bundles from 1.9 KB to 200 KB
Examples gallery -- 35+ interactive demos
Playground -- live REPL
Vite plugin guide -- automatic tree-shaking
Multilingual support -- hyperscript in 24 languages

Going deeper:

Architecture -- monorepo structure, package map, bundle tiers
DSL framework -- build your own multilingual DSL
About this project -- motivation, experiment notes, current gaps
Contributing
Migration from v1.x

Development

npm install
npm test --prefix packages/core
npm run build:browser --prefix packages/core

License

MIT