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An agent is a prompt that runs once per row, deciding what that row needs. Start it two different ways, then spend your effort on the part that matters: the prompt itself.
The agent editor with a Prompt panel on the left and a Configuration panel on the right listing Effort, Inputs, Outputs, Tools, MCP servers and Feedback sections.

The agent editor, with the prompt on the left and Configuration on the right.

Start an agent

1

Apply a template

On the Agents page, pick a card under Start with a template, or open Built-in templates to browse everything Oneprofile ships. Applying one copies the whole setup into the editor.
2

Or set up manually

Click New agent for a blank prompt and build the agent by hand.

Write a prompt that survives a messy row

A row can arrive missing the field your prompt expects, or with a value that fits none of the cases you wrote for. Say what counts as a right answer. Say what to do when a row has nothing to give it, rather than leaving the agent to guess.
1

Reference an input

Type a slash where the value belongs, or click one of the chips listed under Inputs below the prompt.
2

Point at your business context

Type an @ in the prompt to fold in a section of your business context, such as your ideal customer profile.
3

Ask for a rewrite

Highlight any passage and click Rewrite selection to have just that part revised.

Keep the prompt current

Open the assistant anytime, even on an agent you wrote months ago, and ask for a change in plain language. Three common requests sit ready to click: Make it stricter, Change what it returns and Explain its answers.

Configure the agent

The Configuration panel holds six sections: Effort, Inputs, Outputs, Tools, MCP servers and Feedback. Effort sets how hard the agent works and what it costs. Inputs and outputs shape what goes in and comes out, and Tools turns on web research or your business context. MCP servers extend what the agent can reach, and Feedback collects what people thought once ratings start coming in. See Agent inputs and outputs and Choose an effort level for the detail behind each one.

Good to know

Yes. Open Built-in templates, apply one, then click Save. It becomes a new agent under Browse agents that you own and can rewrite freely.
The reference stays in the prompt, painted as broken, until you restore the input or remove the reference by hand. Saving is blocked until then, and nothing is rewritten for you.
Save needs a name and a prompt, plus at least one input or Use the whole row turned on. A broken input reference or an invalid output schema blocks it too.
Columns built from it keep the values they already hold, but stop returning new answers. Nothing already in the table is removed.

Next steps

Agent inputs and outputs

What each row hands the agent, and how its answer becomes columns.

Choose an effort level

Weigh cost against depth before you pick one.