Percival Labs
Open Source · Model Agnostic

Engram

The AI Harness for Everyone

Give your AI a name, a personality, and skills that persist across every conversation. Works with Claude, ChatGPT, Gemini, and local models.

Get Engram

A native desktop companion with a guided setup wizard. Name your AI, set its personality, connect to Gateway or bring your own API key.

Download for macOS

macOS 13+ · Apple Silicon & Intel · v0.1.0

What you get

A personalized setup package that turns any AI into your AI.

Identity

Who your AI is

Personality

How your AI communicates

Skills

Research, task management, reflection

Memory

Context that persists across sessions

Privacy layer

Coming Soon

Three layers of protection so your AI conversations stay yours — even when routed through external providers.

PII Scrubbing

Strip personal data before it leaves your machine. API keys, emails, paths, credit cards — all redacted automatically.

Available now

Blind Tokens

Privacy Pass blind signatures (RFC 9576). Providers verify you're authorized without linking your requests together.

Proxy server in progress

ZK Trust Proofs

Prove “my Vouch score is above threshold” with a zero-knowledge proof. Nobody learns who you are.

Circuit built, endpoint coming

See the full roadmap →

Create your AI

Fill in the details below and download your setup package.

Personality

Drag the sliders to shape how your AI communicates.

Setup instructions

After downloading, follow the steps for your platform.

  1. 1

    Unzip the download

    Extract the zip file. You'll see a folder with your AI's files.

  2. 2

    Create a new Project

    Go to claude.ai, click Projects in the sidebar, then Create Project. Name it after your AI.

  3. 3

    Add custom instructions

    In the project, click the gear icon. Under Custom Instructions, paste the entire contents of INSTRUCTIONS.md.

  4. 4

    Upload knowledge files

    Click Add Content and upload: context.md, memory-starter.md, and all files from the skills/ folder.

  5. 5

    Start chatting

    Open a new conversation in the project. Your AI will greet you by name.

Built by Engram — The AI Harness for Everyone.

Open-source personal AI infrastructure. MIT licensed.