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 for macOS

Download, double-click, start chatting. Your AI runs in Terminal with the full power of the command line.

Download .dmg

macOS 13+ · Apple Silicon & Intel · ~24 MB

npm i -g engram-harness && engram

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

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.