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What it does

Instead of placing steps one by one, you describe the tool you want. MCPCore asks Claude to design the workflow and puts the result on the canvas:
  • The tool name, description and parameters
  • The steps, with their settings filled in
  • The connections between the steps, laid out from left to right
The result is a normal workflow. Nothing is saved until you save it, so you can review, test and change every step first.

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Build a workflow from a description

1

Open a workflow tool

Create a new tool with Build a workflow, or open an existing workflow tool.
2

Open the AI panel

Click AI Assistant (the sparkles button) in the left bar of the editor.
3

Describe the tool

Write what the tool should do, up to 2,000 characters, or pick one of the suggestions. Click Build Workflow.
4

Review the result

The steps appear on the canvas. A message tells you whether everything is ready or how many issues are left. Steps with a problem get a red border.
5

Add missing secrets

If the workflow uses a secret your server doesn’t have yet, a bar above the canvas lists it, for example GITHUB_TOKEN. Click the name to create the secret without leaving the editor.
6

Test and save

Click Run to test the workflow, then Create or Save & publish. Use Save draft if you want to keep it without making it live.
Generating replaces the steps, name, description and parameters that are on the canvas. Your saved tool is not touched until you save. If you saved by mistake, restore the earlier version from Version history.

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Write a good description

The more concrete the description, the better the workflow. Mention: Examples:
  • Get open GitHub issues for a repo and return the title and url of the ones older than 7 days
  • Look up a customer by email in PostgreSQL and return their last 5 orders
  • Call a weather API for a city and return a short summary
  • Fetch all products from our API, then for each product call the stock endpoint and return name and stock
The AI can use every step type, including For Each loops, Conditions and error branches with retries.

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What the AI follows

The generated workflow follows the same rules as one you build by hand, and a few extra ones:
  • URLs always use https://.
  • SQL always uses ? placeholders with bindings. It does not write DELETE, DROP, UPDATE or TRUNCATE unless you ask for it.
  • Secret fields hold the secret name only, never a value.
  • The workflow stays as small as the task allows.
MCPCore checks the result with the normal validation. If there are problems, it automatically asks the AI once more to fix them. Anything still left is shown on the canvas.

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Privacy

  • Your description and the names of your server’s secrets are sent to the AI, so it can pick an existing secret. Secret values are never sent.
  • Your data, databases and APIs are not contacted while generating. They are only called when you press Run or when an AI client calls the saved tool.

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Limits

When the daily limit is reached, the panel shows Daily AI generation limit reached (20/day). Please try again tomorrow. If the request is not about building a tool, the AI answers that it can only help build workflow tools.