Temporary user files

Files are kept in the selected Python backend's workspace.

Select files

Drop files here

Download from URL

Root workflow

Inspector

Select a node to configure its local parameters.

Validation and browser readiness

Checks required input connections and staged Python packages for each node. Browser checks are advisory; the runtime makes the final execution decision.

Python execution

Backend: built-in Python (WASM)

Python backend is not initialized.

Error details

Paste workflow

A complete FlowGraph workflow was found in the clipboard. Choose how to add it to the editor.

Python backend

Backend

Local server connection

Host/IP

Port

Token

Start core with an existing workspace and --allow-origin https://www.fbw-es.com. Paste its printed bearer token here. Allow local/loopback access if your browser asks.

Switching does not transfer files. Native Python is not sandboxed: execute trusted workflows only. Disconnect by selecting WASM. Tokens are kept in memory only for this connection.