See the whole engine in two minutes.
One sentence about your customer becomes sourcing, scripting, live coaching, and a brain that sharpens every call. Watch it run, then take each piece apart below.
14-day free trial. Cancel anytime.
The next line on your screen, while you talk.
This is the cockpit on a real call. The AI listens and writes your script live. You do the talking. Here is every part of it.
Twilio Media Streams · Speechmatics Real-Time · Haiku 4.5 · Supabase Realtime
Describe your customer. It builds the target, then finds them.
One sentence becomes an ideal-customer profile the agent reasons about, then a call list it sources three ways.
No keys to bring and no separate subscriptions. Sourcing, enrichment, and calling all run on our accounts, metered by one simple allowance.
Five ways in. One firewall. Three brains out.
Whatever you already have flows in, gets its names and numbers stripped at the firewall, and compounds into shared knowledge. The brains keep the pattern, never the person.
What worked yesterday shows up on tomorrow’s calls.
One system that gets smarter on every call. The loop closes in about thirty seconds, before the rep has finished their notes.
Rehearse on an AI prospect right here.
This one is live. Build a prospect, pick their mood, and run the call against the real AI, no signup. Every rep gets reps without burning your pipeline, and walks into the live call already warmed up.
Real AI on the other end. Three replies, then it hangs up.
In practice, the AI plays the prospect. On real calls, it never speaks.
Every run feeds the Script Doctor, which grades your script line by line and rewrites the weak ones against what is actually converting.
One rep learns it. The whole floor has it.
A veteran’s winning patterns bank into the shared brain, and every rep, new or seasoned, walks into the next call already carrying them.
Drops into the stack you already run.
Open any one to see how it actually works. Push outcomes to HubSpot, bring a CSV, plug it into your own AI over MCP, draft follow-ups in Gmail, and work in your language. No rip-and-replace.
Klesos pulls your HubSpot leads in and pushes every call outcome, note, and phone number back automatically. Field mapping is per-org, so it fits your pipeline instead of a generic template.
Drop a CSV and Klesos reads your columns, infers the vertical from your existing customers, and grades every row so you call the best-fit ones first.
An MCP connector exposes your calls, leads, and pipeline to your own AI. Ask it questions in plain language, or push leads straight in, both directions.
Connect Gmail once. After each call a follow-up email is drafted in your account, in your language, ready for you to glance at and send.
Klesos ships a simple pipeline for teams that want one, and stays out of the way for teams that already live in a CRM.
Interface, transcription, and AI output all speak the rep's language. Five ship hand-written; the rest translate on first use, then cache.
Sells in 52 languages, and listens in all of them.
Most tools translate the interface. Klesos speaks the language end to end.
Interface
Per user, switch anytime. Five ship hand-written (English, German, French, Spanish, Italian) and the rest translate on first use, then cache.
Transcription
Auto-detects the language per call, across all 52.
AI output
Scripts, brain, coaching and follow-up emails generated in the rep's language.
EU-ready, not retrofitted: GDPR-grade data export and account deletion built in.
Compliance built into the dialer, not left on you.
Most tools make compliance your problem. We built it into the dialer, and it's why legal teams say yes faster.
Built on real infrastructure.
Real receipts, not buzzwords.
Fastify worker, Ubuntu 24.04
Container, 11 regex + Haiku classifier
Batch + real-time, mulaw 8 kHz

Voice + Media Streams, 2-leg call + browser dialer
Sonnet 4.6 + Haiku 4.5
Postgres + Realtime, RLS per org

Contact enrichment
OAuth, auto-drafted follow-ups

Meeting import
Production stack. Public GitHub repo.
Stop calling more. Start calling better.
Describe your customer in one sentence. The agent sources the leads, writes the playbook, coaches you live, and gets sharper with every call.