orcha-sdk
The developer SDK + emerge CLI for Orcha —
an orchestration runtime that plans, routes, and executes one goal across agents
speaking MCP, A2A, and COMPUTER_USE (ACP is accepted as an A2A-routed alias).
Register an agent in three lines:
import emerge
@emerge.agent(name="My Agent", description="What I do")
def handle(task: str) -> str:
return f"handled: {task}"
Then serve it:
orcha-sdk run # serve locally + register against the local registry
Install
No clone, no venv setup — just run it:
uvx orcha-sdk init my-agent
Or install it into a project:
pip install orcha-sdk
(Import name is emerge; distribution name is orcha-sdk.)
CLI
| Command | What it does |
|---|---|
orcha-sdk init "My Agent" |
scaffold a new agent from a template |
orcha-sdk run [module] |
serve decorated agents locally + register them against http://localhost:8000 |
orcha-sdk publish [module] --registry <url> |
register against a remote registry |
orcha-sdk run --no-register serves without registering. Set ORCHA_REGISTRY_URL
and ORCHA_PAT to point at and authenticate against a non-local registry.
How it works
The decorator records your handler and declared skills. orcha-sdk run serves an
A2A-compatible HTTP endpoint (/health, /.well-known/agent.json, JSON-RPC
message/send / tasks/get) using only the standard library, and uploads a
generated emerge.yaml to the registry. The runtime's planner can then discover
and orchestrate your agent alongside agents that speak other protocols.
Apache 2.0 runtime, MIT SDK. See the main repo.
1 maintainer
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