Union MCP

import union image = union.ImageSpec( name="union-mcp-example-workflows", builder="union", packages=["pandas", "pyarrow", "scikit-learn", "union"], ) actor = union.ActorEnvironment( name="add-multiply", ttl_seconds=120, container_image=image, ) @actor.task def add(a: int, b: int) -> int: """Add two numbers.""" return a + b @actor.task def multiply(a: int, b: int) -> int: """Multiply two numbers.""" return a * b @actor.task def append_hello(foo: str) -> str: """A task that prints a string and returns a string with 'hello' appended to the input.""" foo = foo + 123 # ❌ this is a bug! return foo @union.workflow def workflow(a: int, b: int) -> int: """A workflow that adds and multiplies two numbers.""" return multiply(add(a, b), add(a, b))