MDX Limo
.hds

.hds — The Intelligent Document Standard

PDFs show information. .hds documents do the work.

  1. The Problem

Business today runs on documents that are fundamentally broken: • PDFs are static → they don’t update • Spreadsheets are separate → logic is disconnected • Docs require interpretation → humans do all the thinking • Data lives elsewhere → constant context switching • Every decision requires meetings → slow and expensive

The result: • wasted time • avoidable errors • outdated information • fragmented workflows

  1. The Insight

A “document” should not be a file.

It should be:

a self-contained system that contains information, logic, and intelligence

Right now, that doesn’t exist.

  1. The Product

.hds (Hybrid Document System)

A new document standard that combines: • PDF-level design fidelity • Web app-level interactivity • Database-level structure • AI-level intelligence

All inside a portable, secure file

  1. What .hds Actually Is

An .hds file is:

a portable intelligent document that can render, compute, and respond

It looks like a document It behaves like a system

  1. Core Capabilities

  2. Interactive by default

Documents are no longer static. • adjust inputs → outputs update instantly • filter data → views change in real time • simulate scenarios → results recompute

Example: A pricing doc becomes a pricing tool.

  1. AI-native

Every document can be queried. • “summarize this report” • “what are the top risks?” • “what changed since last version?”

No parsing. No setup. Built-in.

  1. Always structured

Every piece of content has meaning. • sections, concepts, relationships • not just text, but understood data

This enables: • better search • automation • reasoning

  1. Deterministic rendering

Looks identical everywhere. • same guarantee as PDFs • pixel-perfect when needed

  1. Self-contained or connected

Flexible by design. • fully offline package • or connected to live data

One format, multiple modes.

  1. Secure execution

Documents can run logic safely. • sandboxed environment • permission-based capabilities • no system-level risk

  1. Example Use Cases

  2. Board Reports

Instead of: • static slides + spreadsheets + follow-ups

You get: • one document • live metrics • drill-down capability • instant Q&A

  1. Sales Proposals

Instead of: • generic PDFs

You get: • personalized pricing • interactive scenarios • real-time updates

  1. Financial Models

Instead of: • separate spreadsheets

You get: • inputs + outputs in one document • built-in validation • scenario simulation

  1. Internal Playbooks

Instead of: • long PDFs nobody reads

You get: • interactive workflows • contextual guidance • AI-assisted navigation

  1. Strategy Docs

Instead of: • static thinking

You get: • dynamic systems • connected assumptions • evolving insights

  1. Why It Wins

Compared to PDFs • dynamic instead of static • intelligent instead of passive • actionable instead of informational

Compared to Notion / Coda • portable • deterministic • works offline • not locked into a platform

Compared to Web Apps • shareable as a file • versionable • simpler mental model • easier distribution

  1. Product Experience

Open it

→ looks like a polished document

Interact with it

→ behaves like a tool

Ask it questions

→ responds like an assistant

Share it

→ works anywhere

  1. Adoption Strategy

Step 1 — Wedge

Target: • board reports • investor updates • pricing tools • strategy docs

Where PDFs clearly fail.

Step 2 — Compatibility • import from existing docs • export to PDF • minimal friction

Step 3 — Expansion • team workflows • integrations • AI automation

  1. Business Model

Core product • SaaS platform to create and manage .hds documents

Monetization • subscription (teams, enterprise) • usage (AI queries, compute) • marketplace (templates, modules)

  1. The Vision

Today: • documents store information

Tomorrow: • documents execute work

.hds becomes:

the standard for how knowledge is created, shared, and acted on

  1. The One-Line Pitch

.hds turns documents from static files into intelligent systems that actually do the work.

If you want the next step, I’ll: • turn this into a landing page that converts • or design the exact first product (not format) that could realistically get traction fast

.hds | MDX Limo