About motd.com

A personal message-of-the-day + notes site, rendered entirely by Mix handlers inside cosmix-webd — server-side HTML over a per-vhost SQLite database, wrapped in the dcs.spa design-system shell.

This page doubles as a live exhibit of the Mix markdown() builtin (CommonMark + GFM via pulldown-cmark).

The stack

Cosmix is split across four repositories — one-way deps amp ← mix ← cos, with cosmix as the private hub:

Everything is a message port. The lineage runs AmigaOS/ARexx → Smalltalk → Plan 9 — with an AI agent as a first-class operator. Legible, modifiable, reconstructible.

Even nested quotes work.

Text formatting

You get bold, italic, both, strikethrough, inline code, and links. Autolinks too: https://github.com/markc.

Lists

Unordered, with nesting:

• The mesh
  • cosmix-noded — the AMP broker
  • cosmix-maild — mail + JMAP + DAV
  • cosmix-webd — this CMS
• The shell is dcs.spa

Ordered:

1. Write a .mix handler
2. Reload — the change is live
3. There is no step 3

Task list:

• Public/private pages
• Full GFM markdown
• Auth unification

Code

Inline markdown("# hi") returns <h1>hi</h1>. A fenced block (Mix):

function render_body($raw)
  return markdown("" .. $raw)
end

And some Rust from the builtin itself:

let mut opts = Options::empty();
opts.insert(Options::ENABLE_TABLES);
opts.insert(Options::ENABLE_STRIKETHROUGH);

Safety

Raw HTML in the source is escaped, never active — so <script>alert(1)</script> renders as literal text, and [evil](javascript:alert(1)) has its URL neutralised. Safe by default.¹