Dynamo 4.2: Autodesk Assistant and DynamoMCP are built in now

Dynamo 4.2 is out, and the big item is Autodesk Assistant shipping built in, with DynamoMCP alongside it.

The MCP piece is what makes it more than a chat window. Assistant can place and wire nodes, set inputs, run the graph, read warnings, group things, and save. If you ask about a node that has an authored sample graph, it inserts the actual example and adapts it instead of building something approximate from scratch.

I’ve been playing with this for a while now, and I wish I had it when I was learning Dynamo. Asking “why is this node throwing a warning” in the workspace beats endless searching.

A few practical notes:

  • Sandbox only for now, host integrations come later. In Revit you’ll go through Revit’s own Assistant instead of this panel.
  • You need to be signed in, and it’s unavailable in no-network mode.
  • It can’t install packages or touch the Revit document directly.

Also for the automation folks, there’s a new public interface exposing type info for Define Data nodes, so you can read a graph’s expected inputs without opening it in Dynamo. Useful for Player-style runners or validating graphs in CI.

Builds are on dynamobuilds.com or GitHub, full release notes on the wiki. Curious what people try with the Assistant first.

Read all about it on the blog post here:

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