Tutorials, ordered.

A Neuron is just an async function. Wrap it in an Axon, host it on a Dendrite, connect an orchestrator Dendrite, and call dispatch_and_wait. No broker needed — MemorySynapse runs in-process.

from cosmonapse import Axon, Dendrite, MemorySynapse

async def greet(input, context):
    return {"msg": f"Hello, {input['name']}!"}

synapse = MemorySynapse()
await synapse.connect()

worker = Dendrite(synapse=synapse, namespace="demo", role="worker")
worker.attach_axon(Axon(neuron_id="greeter", neuron_fn=greet))

orch = Dendrite(synapse=synapse, namespace="demo")

async with worker, orch:
    reply = await orch.dispatch_and_wait(
        neuron="greeter", input={"name": "world"}, timeout_s=5.0
    )
    print(reply.payload["output"])  # {"msg": "Hello, world!"}