Connect Claude, GPT or your own agent — search 614M verified contacts over MCP
Argorant
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Use cases · Founders

Founder-led sales without the enterprise data bill.

Get your first 100 customers without signing a five-figure contract. Describe your buyer in plain English — in Claude, ChatGPT, or the app — and get back a verified list that lands. Self-serve, no contract, pay only for what you reveal.

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Live preview — a small sample of the database. +12 more filters inside Sign up to search all 614M contacts.

Build your list from inside the tools you already have open
Claude
ChatGPT
Cursor
Perplexity
Why founders switch

Sales data wasn't built for stage zero.

The tools the big teams use assume a budget, an ops hire, and a year of runway you don't have yet. Here's what changes when the data fits a founder.

The enterprise stack
With Argorant
The price of entry
Sales-data tools quote a five-figure annual contract before you've closed a single deal.
The price of entry
Self-serve, no contract, no minimum. Spin up your first list for the price of a coffee.
Building the list
No ops team and no SDR — so list-building lands on the one person already doing everything.
Building the list
Describe your buyer in a sentence to Claude or ChatGPT. The list builds and verifies itself.
Every bounce hurts
On a tiny runway, a stale list burns sending domain reputation you can't afford to rebuild.
Every bounce hurts
Every address is SMTP-checked at export. Invalid never ships, so early sends actually land.
Learning curve
Enterprise data platforms assume a full-time operator and a week of onboarding.
Learning curve
Nothing to learn. If you can describe your customer, you can build the list — today.
What you pay for
A yearly seat you under-use between fundraises and hiring sprints.
What you pay for
Only the deliverable contacts you reveal. Counts and previews are free, forever.
The founder's shortcut

You already know your buyer. Just describe them.

No one knows your ICP better than the person who built the product. So skip the filters. Tell Claude or ChatGPT who you sell to, in the exact words you'd use on a call, and it builds, verifies, and hands back the list — inside the chat you're already in.

  • “Ops leads at 11–50 person Shopify brands in the US” — done.
  • Every contact verified before it's returned
  • Same engine in the app, CLI, REST API, and MCP
Claude · Argorant MCP
How many VP Sales contacts can we reach at SaaS companies in Germany?
→ suggest_industry·count_matches
8,412 VP-of-Sales contacts at software companies in Germany.
6,930 already verified · the rest verify live at export. Want me to prepare the list for your workspace owner to reveal?
Verified before it sends

Every list runs through live verification.

The moment you export, each address is checked against its mail server. Valid lands, risky is flagged, invalid never reaches your outbox — so a tiny budget never gets spent on a bounce.

founders — inbound recordssrc_01src_02src_03src_04DEDUPESMTP CHECKVALID→ exportRISKY · flaggedINVALID · dropped
614M+
Verified business contacts
184
Countries covered
122
Industries indexed
0
Bounces you pay for
Wherever your buyers are

From one zip code to a whole continent.

184 countries, filterable down to the city. Start hyper-focused on the buyers next door, then widen the net the moment a segment starts converting — no new contract to reach a new market.

United StatesUnited KingdomGermanyCanadaAustralia

United States

How founders run it

From “who's my first customer?” to a sending list in four steps.

No ops hire, no export queue to babysit. Describe the buyer and go — the verification happens on the way out, so your first sends actually land.

01

Describe your buyer

Tell Claude, ChatGPT, the CLI, or the app exactly who you're after — “heads of ops at 11–50 person DTC brands in the US.” Plain language, no filter syntax.
$ npx argorant search
  “head of ops, dtc brands 11-50, united states”
02

Preview the match — free

See live counts and a masked preview before you spend a credit. Tighten the ICP until the list is exactly the buyer you'd want on a first call.
03

Export, verified live

Reveal and export. Each address is SMTP-verified on the way out; you only pay for the deliverable contacts — never the bounces.
04

Start the conversations

Download a CSV, pull over the REST API, or hand it to an AI agent via MCP — straight into your outreach, where your first customers come from.
Protect your one domain

A new sending domain has no reputation to spare.

When you're sending from a domain that's weeks old, one batch of bounces can quietly route you to spam for months. Argorant strips invalid and risky addresses before they ever reach your tool — so every early send counts and your inbox placement stays clean.

  • Real-time SMTP checks at export
  • Catch-all and risky addresses flagged, never billed
  • Identical verification across app, API, CLI, and MCP
  • s•••@h••••care-group.com412msvalid
  • m•••@l••••startup.io1.8scatch-all
  • j•••@v••••capital.com922msinvalid
  • a•••@n••••systems.de208msvalid
  • k•••@a••••startup.com388msvalid
  • t•••@b••••consult-group.co1.5scatch-all
  • r•••@g••••retail-group.com301msvalid
  • d•••@m••••startup.com540msvalid
  • l•••@s••••partners.net760msinvalid
  • p•••@o••••media-house.com233msvalid
  • c•••@w••••startup.io1.1scatch-all
  • f•••@e••••labs.com358msvalid
  • n•••@c••••clinic-group.com472msvalid
  • b•••@k••••startup.com689msinvalid
It lands where you work

Verified contacts, straight into your outreach.

CSV, REST API, webhooks, or MCP — push lists straight into whatever you use to send. Already running a cold-email tool? It drops right in. No copy-paste, no broken imports.

Smartlead logoSmartleadInstantly logoInstantlyHubSpot logoHubSpotPipedrive logoPipedriveZapier logoZapierMake logoMake
CSV export
name,title,company,email,phone,industry,country,verify
Henrik Frei,Head of Network Ops,University of Michigan,hfrei@umich.edu,734-764-1817,Higher Ed,United States,valid
Meghan Jeffrey,Owner,Joseph Abboud,mjeffrey@josephabboud.com,212-586-9140,Retail,United States,valid
…
5,234 rows · 412 KB · saved 14:32
Loved by revenue teams
“We run cold outbound for a dozen clients. Argorant replaced two tools and the bounce complaints just stopped.”
Founder of a bootstrapped outbound agency · Lisbon, Portugal
Built for the work that wins stage zero

One source of contacts, every early job.

First 100 customers

Pull a tight, verified list of the exact buyers you need, and start the conversations that prove the business.

Design-partner outreach

Find the 30 ideal companies to co-build with — reach the right person, not a generic inbox.

Investor & advisor lists

Build a targeted list of funds and operators in your space, mapped to the people who actually decide.

Market validation

Test a new ICP in an afternoon. Describe it, preview the count for free, and talk to real buyers fast.

Frequently asked
questions

Founder FAQ

Still have questions? Talk to us

Yes — that's the whole point. There's no contract, no seat minimum, and no annual commitment. Counts and previews cost nothing, and you only spend on the deliverable contacts you actually reveal. Start with one small list, see it work, and scale spend in step with traction — not ahead of it.
No. You build lists by describing your ideal customer to Claude or ChatGPT, or in a one-line command, or in the app — whichever you already have open. There's no filter syntax, no query builder, and no week of onboarding. If you can say who you sell to in a sentence, you can build the list.
Very. Narrow by role and seniority, department, industry and sub-industry, company size, revenue band, and location — from a single city to a whole continent. Founder-led sales lives or dies on precision, so you can preview the match and tighten the targeting for free before you spend a credit.
Every email is checked against the receiving mail server the moment you export. Invalid and risky addresses are filtered out before delivery, so your bounce rate stays near zero — which matters most when you're sending from a brand-new domain with no reputation to spare.
Yes — export to CSV, pull over the REST API, fire webhooks, or connect an AI agent via MCP. Verified contacts drop straight into Smartlead, Instantly, HubSpot, Pipedrive, or anything you can reach with Zapier or Make. No copy-paste, no broken imports.
The index is continuously refreshed and re-verified, and verification happens live at export — so you're never burning precious early sends on a contact that was scraped and left to rot six months ago.

Go get your first 100 customers.

Build your first verified list in under a minute. Free trial, no credit card, no contract.

Build your first listConnect your AI agent
Loved by revenue teams
“We run cold outbound for a dozen clients. Argorant replaced two tools and the bounce complaints just stopped.”
Founder of a bootstrapped outbound agency · Lisbon, Portugal