automation

abi: Build Custom AI with Ontology‑Powered Automation

Create a unified AI stack where data, models, workflows, and systems link through ontologies—perfect for founders who need a flexible, domain‑specific AI foundation.

From the repo · “AI Operating System - Build your own AI using ontologies as the unifying field connecting data, models, workflows, and systems.”

173 stars+2★ this week49 forksPythonGuide quality 8/10 · reviewed Oct 13Updated 10/21/2026100% free · open source
What it does

abi provides a unified AI system for startup founders, using ontologies and Python to connect data, models, workflows, and systems

When to use it
  • •When you need to integrate multiple AI models and data sources into a single workflow
  • •When you want to build a custom AI system using ontologies as the unifying field
  • •When you need to automate tasks and workflows using a Python-based AI Operating System
Ready-to-paste prompt
python -m abi.main --ontology examples/ontology.json --workflow examples/workflow.py
Heads up: Make sure you have Python 3.8 or later installed, as abi is not compatible with earlier versions of Python
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

✅ Light setup

Installs with a command or two; your AI agent can do it for you.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/abi && curl -fsSL https://workflowstacks.com/api/skills/abi/claude-skill -o ~/.claude/skills/abi/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

What's inside — free to inspect

No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

19
top-level files
11
folders
194.5M
source size
MIT
license
Key files
AGENTS.md
config.local.yaml
config.remote.yaml
config.yaml
README.md
File tree
.deploy/
.github/
.vscode/
abi/
docker/
docs/
examples/
libs/
scripts/
storage/
tests/
.env.example
.gitguardian.yaml
.gitignore
.ignore
.python-version
AGENTS.md
bandit.yaml
config.local.yaml
config.remote.yaml
config.yaml
docker-compose.yml
LICENSE
Makefile
Quick Actions
Details
Creator
jupyter-naas
Language
Python
Category
automation
Published
10/13/2023

Are you the creator of this tool? and earn 85% of every sale.

Show it off in your README:

Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/abi.svg)](https://workflowstacks.com/skills/abi?utm_source=github&utm_medium=badge)
🔥 Hot this week, in your inbox
Skills like this, every Monday.

The five fastest-growing open-source AI skills, ranked by GitHub star growth. One email a week, unsubscribe anytime.