Bartosz Staniszewski
Engineer at Coldabry
Bartosz Staniszewski is an engineer at Coldabry. He builds the automations, AI agents and custom apps the studio ships, and writes the playbooks on how the work actually gets done in production.
9 articles
How to Get an E-Prescription Online in Poland Without Getting Scammed (2026 Guide)
Online prescriptions in Poland are legal and fast, but the market mixes real medical services with form mills. How e-recepta works, the red flags to check before paying, and how to compare providers on medranking.pl.
The Best Instagram Cold DM Tools in 2026: Pricing, Ban Risk and Cost per 1,000 DMs
We compared nine Instagram cold DM tools on real pricing, per-DM economics, ban safety and community sentiment. The spread is 30x, the Reddit threads are ads, and the safest architecture wins.
How Often Should You Publish Blog Posts? A Solo Founder's Guide
How often to publish blog posts depends on your goals and capacity. Most solo founders see the best results publishing 1 to 4 quality posts per month, consistently.
A Self-Hosted AI Agent in the Marketing Department: 13 Real Use Cases
Not a $99 CMO-in-a-box. A small VPS, a Telegram bot, and a dozen jobs that quietly remove marketing busywork. The use cases, the stack, and what practitioners actually report.
Studio Update: What Coldabry Shipped in Q2
A short roundup of what we shipped this quarter for companies and communities: AI agents, custom apps, and automations that went live in weeks.
How We Ship Custom Apps in Weeks, Not Months
The actual process we use to take a custom app from idea to production in weeks: tight discovery, agent-assisted build, and a deploy you can trust.
AI Automation That Pays: Picking Wins With Real ROI
Not every process is worth automating. Here is how we pick automations with real payback, measure the return, and avoid expensive AI theater.
Build vs Buy: When a Custom App Beats Off-the-Shelf
A practical framework for deciding when to build a custom app versus buy SaaS, with a clear comparison table and the questions that actually decide it.
Agentic Workflows: Replace Internal Tools and Manual Ops
How agentic workflows replace brittle internal tools and manual ops work, with the architecture, guardrails, and tradeoffs that make them safe in production.