AI-Engineering Foundation Framework built with AI and designed for AI.

Joined January 2026
Open Mercato retweeted
Looking for 5 new global implementation partners for Open Mercato before the end of the year. Q4 for Open Mercato means one thing: going global. Open Mercato is an AI-supportive CRM / ERP framework. It ships with 80% ready. Someone has to build the last 20% for the client. That someone is a partner. The model is simple. We sell the enterprise license. Partners do the implementation and keep the services revenue. We certify, train and send leads. Oct 15 - Warsaw - Tribes Day Oct 27 - Katowice - European Congress of SMEs Oct 28 - Wrocław - Made in Wro Oct 29-31 - Goa, India - React India Nov 7 - Poland - Forest Planting for Entrepreneurs (yay!) Nov 9-12 - New York - ElevenLabs Summit Nov 15-16 - New York - JS Nation Nov 15-19 - San Francisco Nov 19-22 - Las Vegas Dec 8-11 - Warsaw If you are in one of these three groups, let’s meet.
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Open Mercato retweeted
After interviewing 100+ top software agencies building around agentic engineering, one thing stands out: Scoring. With 90%+ of prospects chasing their own build dreams, winning agencies know who to work with. Want to win in the agentic era? DM me to join @OpenMercato partners.
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Open Mercato retweeted
I think every founder should ask: how much work does the customer still need to do before our promise becomes real? tomaszkarwatka.substack.com/…
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Open Mercato retweeted
Your coding agents shouldn’t need a full-time babysitter. Coding agents that work 24/7. On your own server. What makes Cezar different? → 100% open source. → Automatic setup. → Multiple models and subscriptions managed together. → Claude Code can delegate work to Codex. → Task queues, schedules and triggers. → Support for multiple issue trackers and Git providers. → Full visibility into what your agents are doing. Queue the work. Let agents coordinate. Review the results. cezar.run
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Open Mercato retweeted
A coding team that never logs off. Meet Cezar Open Source.
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Cezar - the foundation for AI engineering. cezar.run
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Open Mercato retweeted
when @dhh says it's the end of Rails and go all Rust, you're the RoR developer - well... it means you should give it at least a try! :) The easy way is to try it on openmercatocloud.com/allstac…, as I did: youtube.com/watch?v=EC8XGWxa…
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Open Mercato retweeted
Think Lovable for your ERP & CRM… but with your stack and architecture. Open Mercato Sandboxes are live 🚀 - Close your laptop. Agents keep working. - Any tech stack - Jev, Claude Code & Codex - VS Code, Git, live preview & sharing - Free AI + compute credits to start - Compute billed by the minute youtu.be/0jdlGSlZusI?is=ylGN…
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Open Mercato retweeted
OK guys! Want to try out the @typesafeai Jev over @OpenRouter without installing anything? Try it on Open Mercato Sandboxes - Hardware and AI tokens are waiting for you in the free trial youtube.com/watch?v=0jdlGSlZ… sign up: openmercatocloud.com/jev
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Open Mercato retweeted
Back then, hackathon was about onboarding to new technology and building some fancy hello-world. Now - a complete production ready systems are built in less than 48 hours, by domain experts, people who know the real pain of their customers. Great time to live in!
New way of doing the Hackathon. The same pattern repeated all the weekend: 80% was already there, thanks to Open Mercato, teams built only the edge. The hard part moved from writing code to deciding what the business needs. A dentist, a freight forwarder and a barrier manufacturer walked into a hackathon. They walked out with working systems. Companies came with real problems: dental clinics, freight forwarding, manufacturing, foodservice distribution. They left with working solutions, built over one weekend. The full list: - Scalo - dynamic pricing for foodservice distributors: margins per client, warehouse losses, delivery zones. - Excelmed - the dentist dictates, the system draws the tooth chart; 7-15 minutes becomes 2. - Invoice - an agent reads the brief and drawings, drafts the renovation quote for owner approval. - Open Logistics - one agent quotes freight within 15 minutes, another hunts co-loads on the exchange. - NutrionX - EU-compliant food labels generated straight from the client brief. - Antresystem - clients mark safety barriers on a PDF hall plan, the system prices it. - Machinekind - a digital twin from an iPhone lidar walk plus a robot arm reporting into the ERP. - Photographer lead scoring - agents research 3,000 dormant accounts at about $0.30 per lead. - The Woodcoats - full CPQ for wheel loaders with a 3D configurator, from zero, two people. - Ronstar - US market localization: formats, 50 states, an Avalara tax connector. - OMZ - offline-first POS: sells with no network, syncs once when the connection returns. - WMS barcodes - scanning and label printing on the native WMS, with a $25 printer. - Sales Team - lead routing by language, skills and the salesperson's real availability. - Fusta House - the owner edits a product in chat, an agent opens a PR, the website updates. - LinkedIn outreach - 28.5% invite acceptance versus 0.45% on cold email. - A full software house process: one brief produced a design system and a working site. - The 38-agent marketing agency - strategy and content for about $10 in model calls per client. - Mercatify - declare your SaaS stack, agents map it onto modules and build your workspace. - Voicebot - law firms miss 80% of first calls; a self-service bot configurator fixes that. - Cezar x Jira - a bug lands from Jira, Cezar reproduces it, fixes it, opens a PR. - Mission Control + autoscaling - a live view of the agent swarm, resource-based scaling; PRs were merging mid-demo.
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Open Mercato retweeted
New way of doing the Hackathon. The same pattern repeated all the weekend: 80% was already there, thanks to Open Mercato, teams built only the edge. The hard part moved from writing code to deciding what the business needs. A dentist, a freight forwarder and a barrier manufacturer walked into a hackathon. They walked out with working systems. Companies came with real problems: dental clinics, freight forwarding, manufacturing, foodservice distribution. They left with working solutions, built over one weekend. The full list: - Scalo - dynamic pricing for foodservice distributors: margins per client, warehouse losses, delivery zones. - Excelmed - the dentist dictates, the system draws the tooth chart; 7-15 minutes becomes 2. - Invoice - an agent reads the brief and drawings, drafts the renovation quote for owner approval. - Open Logistics - one agent quotes freight within 15 minutes, another hunts co-loads on the exchange. - NutrionX - EU-compliant food labels generated straight from the client brief. - Antresystem - clients mark safety barriers on a PDF hall plan, the system prices it. - Machinekind - a digital twin from an iPhone lidar walk plus a robot arm reporting into the ERP. - Photographer lead scoring - agents research 3,000 dormant accounts at about $0.30 per lead. - The Woodcoats - full CPQ for wheel loaders with a 3D configurator, from zero, two people. - Ronstar - US market localization: formats, 50 states, an Avalara tax connector. - OMZ - offline-first POS: sells with no network, syncs once when the connection returns. - WMS barcodes - scanning and label printing on the native WMS, with a $25 printer. - Sales Team - lead routing by language, skills and the salesperson's real availability. - Fusta House - the owner edits a product in chat, an agent opens a PR, the website updates. - LinkedIn outreach - 28.5% invite acceptance versus 0.45% on cold email. - A full software house process: one brief produced a design system and a working site. - The 38-agent marketing agency - strategy and content for about $10 in model calls per client. - Mercatify - declare your SaaS stack, agents map it onto modules and build your workspace. - Voicebot - law firms miss 80% of first calls; a self-service bot configurator fixes that. - Cezar x Jira - a bug lands from Jira, Cezar reproduces it, fixes it, opens a PR. - Mission Control + autoscaling - a live view of the agent swarm, resource-based scaling; PRs were merging mid-demo.
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Open Mercato retweeted
… and you can try it out over openmercatocloud.com/ as our default AI provider is the @OpenRouter - so you can easily ask Claude or Codex to call Jev directly from Sandboxes (no matter it’s the OpenMercato app template or custom stack)
Jev: no text generation, only typed decisions with calibrated probabilities. 70-500ms latency. $0.042/MTok input, outputs free. For AI-first ERP like @OpenMercato, this is the missing primitive. Business software is thousands of small decisions: route this order, score this lead, flag this invoice. You need fast, cheap, calibrated judgment your code can branch on. Calibrated confidence is the real unlock. Auto-execute above threshold, escalate to human below, using Agent Orchestrator. AI as a function call, not a chatbot.
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Open Mercato retweeted
Replying to @reactuniverse_
@reactuniverse_ was great thanks @grabbou for having us all! I spoke about how to build autonomous Software Factory using just a bunch of *.mds and open source skills that are running @OpenMercato 24/7. It wouldn’t have happened without Cezar youtu.be/nNLJm9gArnE?si=jUw3… - MIT, single cli call, you will thank me later ;)
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Open Mercato retweeted
Replying to @OmarchyLinux
@OmarchyLinux from @dhh is a game changer - switched over 100% for agentic development - config by agents, auto-arrange, shortcuts, wakeups, native md + agents - speeds up my work likely +20% I’m using it with „npx cezar-cli” for agents GUI + coordinator; try it out and thank me later
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