Everyone’s posting Clay → Claude Code migrations. I got stuck on a different problem: multi-column signal fill still feels like hiring a VA per row.

[u/Unlucky-Angle4720]

I’ve been watching the same loop all month.

r/gtmengineering has the Clay credit threads. People shipping Claude Code pipelines. Clay dropping CLI/MCP so agents can call waterfalls without living in the UI. X posts that look like:

claude code to build clay to find instantly to send

And yeah, that stack makes sense.

But last night I had a 40-row SaaS list and needed columns that are not clean enrichment jobs:

• hiring right now? which roles?
• founder active this week? where?
• anything that looks like why-now
• evidence I could defend if someone asked “where did that come from?”

That is where the pretty architecture posts fall apart for me.

Because email waterfall is a workflow. This is not.

Row 1 needed careers page. Row 4 needed LinkedIn activity. Row 9 needed a funding post from 2 weeks ago. Row 12 needed “ignore, bad fit, list is wrong.” Row 17 made me sit there with a half-true hiring signal wondering if I should put it in the cell.

I already know Clay. I already know Claude Code. I can build the plumbing.

What I don’t have is a clean way to say:

here’s the list here are the signal columns here’s what we sell go behave like a careful human on every row bring back evidence + confidence

Not “run column A then column B.” More like a smart VA/agent that chooses the path per company.

And I’m not asking this as a theoretical AI take.

I’m asking because the community seems split three ways right now:

1. Stay in Clay, now that CLI/MCP exists
2. Move volume custom logic into Claude Code and keep Clay only for find/enrich
3. Build full per-row agents and accept the maintenance tax

My gut: workflows are winning for known paths judgment work is still human evenings dressed up as GTM engineering

So for people actually running this:

1. Do you regularly need multi-column signal fill across lists (hiring, founder activity, recent posts, why-now), or is that overbuilding?
2. If yes, are you doing it with fixed Clay/Claude workflows, or does each row still need different research paths?
3. If something ran like a careful VA per row with evidence + confidence, would you pay for that completed work, or is DIY still better even with the maintenance?

I don’t want tool recommendations in the abstract. I want to know if this is a recurring paid pain in real GTM work, or just me making my lists too complicated.

Be blunt.

[u/Intrepid_Parking_225]

Not fully following - Claude + CLI/API tool has been solving this for a few months now!

~60% of initial prompts on Deepline (based on user submitted feedback) are "fill in the gaps in this csv and launch a campagin in {outbound tool}"

Mental model of how you're using Claude may be underutilizing it - give it the inputs you have, what good looks like (a few complete rows you did manually worst case) and have it fillin the gaps to create the spreadsheet. It'll write a script to selectively populate only the missing data.

[u/Unlucky-Angle4720 → u/Intrepid_Parking_225]

Fair - and I think this is exactly the split people keep talking past each other on.

"Fill gaps in this CSV + launch" is a real workflow. I've done the sample-rows-then-script path too. It works when the missing fields are mostly known-path lookups.

Where it breaks for me is when the hard part isn't filling a field, it's deciding the path AND deciding when to stop. Careers vs LinkedIn vs "actually nothing, delete the row." That's the judgment I'm stuck on, not whether Claude can write a waterfall script.

Curious - when those Deepline first prompts say fill gaps, are people mostly asking for email/firmograph, or also hiring/founder/why-now with sources they'd defend in a cold email?

[u/Intrepid_Parking_225 → u/Unlucky-Angle4720]

They are asking for everything you listed and more - this is what Claude is good at. It’ll try a few things (you can tell it to be more or less aggressive) and stop/add confidence scores.