Hefty bot that answers to you.

Absolute privacy for your most complex decisions. Hefty lives on your hardware. No cloud. No compromises.

Example
Prep me for tomorrow's board meeting using last quarter's data
Found 14 relevant documents on your machine
Built a 5-slide summary with key metrics
Flagged 2 risks the board will ask about
You're ready. Slides and talking points attached.

Our Convictions

Built On Convictions. Not Compromises.

Not feature checkboxes the non-negotiables behind every line of code we ship.

Local-First, Private by Default

Everything runs on your hardware. Your data stays on your machine — unless you explicitly choose otherwise.

User Sovereignty

Hefty works for you and no one else. No corporate agenda, no declined requests, no hidden data collection. You always have the final word.

Progressive Intelligence

Learns from every interaction. Remembers across sessions. Becomes genuinely more useful over time — without you configuring anything.

Transparent Operation

Watch every action as it happens. See exactly what Hefty does on your behalf — no blind spots, no hidden processes.

Extensible by Design

Connect any tool, API, or service. Your integrations become Hefty's capabilities instantly — no restarts, no friction.

Anticipation Over Reaction

Surfaces connections, risks, and opportunities before they land on your desk. Not just reactive — genuinely proactive.

What You Get

Privacy by design. Intelligence by nature. Built for the decisions that matter.

Works for you and no one else.
Your data. Your hardware. Your control.

It Works For You

No corporate agenda. No censored prompts. It connects to your services and executes on your terms — so you're free to focus on what matters.

It Never Leaves the Room

Hefty lives entirely on your hardware. Your conversations, your data, your thinking — it's physically impossible for any of it to leave your machine.

A Flawless Memory

It remembers how you like things done. The more you use it, the more it connects the dots across your projects — never explain yourself twice.

Anticipation, Not Just Answers

Hefty quietly surfaces a missed deadline, a connection you hadn't seen, or a shifting risk — before it costs you.

Unshakeable Peace of Mind

Analyze a sensitive deal. Draft a private document. You never have to wonder, "Is this safe?" — because it always is.

It Speaks Your Language

It learns the nuances of your work — your phrasing, your structures, your tools. Extend with plugins so it fits precisely how you operate.

Knowledge That Grows

The more you use it, the sharper it gets. Your advantage compounds.

Every task you delegate teaches Hefty something it retains — your preferences sharpen into instincts, your patterns become shortcuts, and your context deepens with every session.
No re-prompting. No starting over.

Skills

Every approach that works is captured and reused automatically — so you never solve the same problem twice.

Antipatterns

Every mistake is learned from once and turned into a guardrail — steering you away from known dead ends before you waste time on them.

Entities

The people, tools, and projects you work with are remembered and woven together — so the right context is always there when you need it.

Integrations

Connect your tools. Extend your reach.

29 plugins across 7 categories. From AI providers to SAP Business One — Hefty plugs into your workflow instantly.

AI Providers

2
OpenAI API
Anthropic API

Search

6
Brave
DuckDuckGo
Exa
Perplexity
SearXNG
Tavily

Document Processing

5
Apache PDFBox
Apache POI
Apache Tika
Apache Commons CSV
Apache OpenNLP

Media & Generation

4
ComfyUI
Fal
ElevenLabs
Deepgram

Web & Browser

3
Browser
Firecrawl
GUI Interact

Business SAP B1

5
Sales
Purchasing
Financials
Items & Inventory
Business Partners

System

4
System
App Control
Clipboard
Email