Building with Chat
You can build a whole workflow without dragging a single block. Describe the system you want: an agent that turns an idea into a finished post, with a draft, a hero image, a slide deck, and a voiceover, and Sim lays out every block, wired and parameterized, in front of you.
What you will learn
One prompt, a whole system
A single described intent becomes a real workflow: a parallel candidates container, generation steps, an evaluator, and a scores table, assembled and wired.
It tests and fixes itself
Before you ask, Sim runs the build to see if it holds together. When the image step fails on a missing parameter, it catches the error, fixes the block, and re-runs clean.
You inspect before you trust
It shows you the run record, every step, every output, so you inspect before you trust. Then you hand it a real idea and watch candidates get drafted, scored, and pruned.
Deploy from the conversation
One more message and the workflow is live behind an endpoint, from blank canvas to working system without leaving the chat.
From description to blocks
The chat turns your description into real structure: a parallel container drafting candidate posts, generation blocks for the image, the deck, and the voiceover, an evaluator scoring the results, and a table keeping every score. Nothing about the result is special, it's a normal workflow you could have built by hand, which means you can open it, read it, and change it.
Here is the shape of the workflow the chat builds in the video, candidates drafted in parallel, an evaluator scoring them, and the scores kept in a table:
It tests and fixes itself
Sim doesn't hand you an untested guess. It runs the workflow immediately, and when a step fails (here, the image block missing an aspect ratio), it reads the error, patches the parameter, and runs again. You watch the failure and the fix happen on the canvas, in the log, and in the conversation at once.
Inspecting the run
The run record shows every step with its timing and output: the draft, the image, the deck, the audio. When you test it on a real idea, the candidates fan out in parallel, the evaluator scores each one, and the table records what was promoted and what was pruned.
Deploying
Deploying is one more message in the conversation. The workflow deploys behind a live endpoint, ready for whatever you send it, and it remains a workflow in your workspace: inspectable, schedulable, and callable from everything else you build.