Aetherin Core β€” open-source AI framework

The first AI framework you can actually SEE thinking

Watch every thought, action and guardrail check light up in real time β€” then build your own agents on the same rails.

Try the Playground
// live: system mapthinking

Every request pulses through the brain β€” see it yourself on the Living Brain β†’

// live demo

Don't take our word for it β€” watch it think

A peek at the Agent Playground with β€œShow Thinking” enabled. Open it live and ask your own question.

aetherin playground β€” β€œShow Thinking” ON
What can Aetherin do?
ThoughtUser wants a feature overview β€” check memory and knowledge base first.
Action: search_memorysearch_memory("features") β†’ 3 relevant memories
Action: rag_searchrag_search("features") β†’ docs/getting-started, docs/architecture
Guardrails: PASSEDContent βœ… Β· Injection βœ… Β· Rate limit 12/1000 βœ…
// special factor

Six ways to see inside the machine

Every feature opens a real page in this portal β€” no mockups, no dead ends.

// ages 8 to 99

One framework, every brain level

Flip the ELI8 toggle anywhere in the portal and the same system explains itself like you're 8 β€” or like you're the architect.

πŸ§’ KidExpert πŸ€“

πŸ§’ Kid mode (ELI8)

The robot's diary! It remembers what you talked about before β€” like remembering your favorite pizza place. πŸ•

topic: memory system

πŸ€“ Expert mode

SemanticMemory: a vector-backed knowledge store with cosine similarity retrieval, pluggable embedding providers.

topic: memory system

Try the real toggle in the top nav β€” it works on every page. πŸ§’β†”πŸ€“

// under the hood

Every system, one framework

Aetherin Core ships with the full stack β€” each piece has a live view in the portal.

// quick start

From zero to agent in 30 seconds

01

Scaffold

One command generates a ready-to-run Aetherin project.

02

Run it

Hot-reload, playground and portal included out of the box.

03

Open it

Chat with your agent and watch it think in the trace view.

// ship it

dev β†’ stage β†’ prod, one pipeline

The same config that runs locally deploys cleanly through CI to Vercel β€” Docker included.

dev

Local playground & hot-reload

stage

Preview deploys on every PR

prod

Vercel production + Docker

GitHub Actions CI Dockerfile vercel.json zero-config deploys