The First Customer Finder for Codex setup prompt + walkthrough

Paste this into any capable agent and it walks you through the connections, the trigger, and a supervised first run — the whole setup, in your own words. Or skip the setup and run this exact agent hosted.

Set up an agent for me, in its own chat, that does the work of a First Customer Finder for Codex. Work from the files and facts I actually give it, rank what matters by impact rather than by how many items it found, and stop short of sending, filing, posting, or changing anything live unless I ask for that in the same run. Walk me through connecting OpenAI. Have it run whenever I hand it the work, and every weekday morning on whatever I left unfinished. Ask me where the source material lives, who should receive the output, and what good enough looks like for a first pass. Run one pass while I watch, then save it.

Already built, running in ~3 min · 30-day money-back on first purchase

#codex #early-adopters #first-customers #gtm #lead-gen #prospecting #skill #startup

About this template

First customers from public signals — not a purchased CSV

If “find my ICP” currently means scrolling LinkedIn for an hour, this Codex skill turns a startup URL or product idea into an evidence-backed shortlist: ICP, public pain/timing signals, scored prospects with source links, source-based openers, and an HTML report.

Nothing auto-sends.

The undeniable demo

Fork → Codex BYOK (OPENAI_API_KEY / login).
Run /first-customer-finder (or ask to find first customers for your product URL).
Open the HTML shortlist report.
Confirm every prospect has a source link you can verify.

What lands in your fork

Skill at ~/.codex/skills/first-customer-finder/
/first-customer-finder prompt path
Report generator → keepable HTML shortlist
Upstream: Kappaemme-git/codex-first-customer-finder-skill (MIT)

BYOK

OpenAI / Codex credentials only for the research loop. You own outreach in your sequencer.

Who this is for

Early founders hunting first customers from public web signals
Codex users who want sources attached to every name
People who will personalize and send manually

Who this is not for

Enterprise TAM tools with CRM sync on day one
Auto-send spam machines
Non-Codex harnesses

Risk note

30-day money-back on first jurniti purchase. Model usage is yours.

Fork it. Point it at your product URL. Read the HTML shortlist.

Inside this fork

Forking copies this template into a brand-new, fully isolated microVM on your own subdomain. Here's exactly what lands in it.

Codex CLI agent
The upstream harness, pre-installed — same version the creator ran.
Starter VM
1 vCPU · 2 GiB RAM · 10 GiB disk.
Creator's /persist data
The captured persist volume is copied byte-for-byte into your fork.
BYOK — your keys, your VM
Add your model API keys after forking; they live only inside your microVM.

What you'll configure after forking

Secrets are scrubbed from shared templates — these are the names you supply in your agent's terminal once it boots.

Environment variables

OPENAI_API_KEY

Related templates

Your own First Customer Finder for Codex, live in about 3 minutes.

Copy the setup prompt and build it yourself — or let this exact Codex CLIagent run hosted, already built, on a brand-new, fully isolated microVM on your own subdomain. Add your own keys after it boots; they never leave the box. Don't love it? Your first jurniti purchase comes with 30 days to get every cent back.

New paid VM · BYOK · 30-day money-back on your first purchase · ~3 min to provision

First Customer Finder for Codex

What's inside