Cold Email Daily

Christian's Hermes agent gets a 14-part writeup

The Slack agent behind the list builds now has an architecture doc, and it is gated behind a like, a comment and a follow.

The Slack agent Christian has been posting about all month now has a written spec. Will Breton, who Christian names as his Head of GTM, says he wrote the whole system up in a 14-part doc covering how the team built it and the exact briefs they send it, from a laptop or a phone at any hour.

The contents list is specific. The architecture is six components, starting with a server that costs $9 a month and stays on 24/7. There are security rules so the agent can run overnight without spending your money. There is a skills library, a walkthrough of a single request start to finish built around a 5-row sample that catches a bad brief before it hits 5,000, and a 5-part brief formula with three real requests Breton says you can copy and run today.

The numbers in the doc

Two stand out. Breton says the team mapped 69,204 businesses for one client on 19 data points, a list he frames as one no database holds. On the reply side he describes 5 agents, with one of them booking roughly 10 meetings a week on the team's own offer. He also claims a quality layer that takes raw exports from 50-60% ICP fit to 90-95%, which is the part most people running scraped lists will want to read first.

All of it sits on top of what Breton describes as sending 10M+ cold emails and generating $70M+ in pipeline for 100+ B2B companies.

For people sending

Christian's pitch is the same one he made when he first described Hermes building client lists, and the same workflow shows up in his breakdown of one GTM engineer's day, where a list gets sourced from a Slack message on a walk and the campaign is live in EmailBison by 11:30. What is new is that the internals are being handed out.

Two caveats. Every figure here is the team's own, self-reported, with no detail on the client, the time window or how the 50-60% to 90-95% fit was measured, so read it as a build guide rather than a benchmark you can price against. And the doc is not public. Breton asks for a like plus a comment saying "HERMES" and says you must be following him to receive it, which is the standard lead magnet trade. You are paying with a follow and an email, not with nothing.

The useful part for a practitioner is the ordering advice at the end, what to set up first and the one skill to start with. That is the bit a solo sender can act on without a Head of GTM.

Will Breton
@bretonwill
X
how raw exports go from 50-60% ICP fit to 90-95%
Oct 24, 2026 · View on X
Christian
@coldemailchris
X
I build whole lists from a Slack message on a walk now, and he's giving away the exact briefs for free.
Oct 24, 2026 · View on X

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