Use an AI desktop agent to build a farming list of high-equity homeowners and draft MLS listing descriptions

who Camila Castillo, luxury real estate specialist at the Ben Moss Group (Compass) in Coral Gables, Florida, interviewed by REALTOR News (National Association of REALTORS)

What it does

She asks Claude Cowork to make a spreadsheet of properties bought seven or more years ago, then has it check the county property appraiser site to see whether each owner's mailing address matches the property address. A saved Skill writes MLS descriptions: she gives it the address, the executed listing agreement and the last MLS tax roll. She also runs a weekly call teaching her colleagues to use it.

Tool cost

From $17/mo (checked prices)

Setup

Medium · or we do it from $149/mo

Tools

Claude, Claude Cowork

Slow lead replies Social & marketing Real Estate

The problem

Finding owners with high equity meant pulling property lists and then checking, address by address, whether the owner's mailing address matched the property, which took weeks. Each MLS property description took her 45 minutes or more.

What happened

As reported by REALTOR News: the farming research that 'would take us weeks' is handled by the agent, and MLS descriptions that took 45+ minutes each are now drafted automatically from three inputs. The article stresses that agents still review and verify the output.

Quoted in the source: Camila Castillo, luxury real estate specialist, Ben Moss Group. Source: REALTOR News (NAR): This AI tool is moving the needle for brokers (2026-09-09) · Added 2026-10-14. Results as reported by the source; we haven't independently verified them.

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How to set it up yourself

What she used: Claude Cowork (desktop agent) for the list-building and a saved Skill for listing descriptions.
Define your farm: area, years owned (she used 7+), and any price band.
Have the agent build the property list, then check each owner's mailing address against the property address on your county appraiser site; mismatches are often investors or owners who moved.
Spot-check 10 rows by hand before you mail or call anyone, and follow do-not-call and fair-housing rules.
Save your listing-description instructions as a reusable skill or project, and feed it only documents you're allowed to use.
Edit every description for accuracy before it goes on the MLS.

Copy-paste prompt

Write an MLS property description for [address] using only the attached listing agreement, tax roll and my notes. 1) Lead with the two strongest features. 2) Cover layout, updates, lot and location in plain language. 3) Stay under [MLS character limit] characters. 4) Don't invent features, square footage or school claims; if something's missing, list it as a question for me at the end. 5) Follow fair-housing rules: describe the property, not the kind of buyer.

Tools used

Claude

AI assistant for writing, long documents, analysis and coding help.

From $17/mo billed annually ($20 monthly) (checked 2026-10-13)

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Checked prices: Claude: from $17/mo billed annually ($20 monthly) (verified 2026-10-13)

Rather not do it yourself?

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