AI Coding Agent Cost Ledger: Find Expensive Sessions Before They Become Normal
A coding agent can look productive while quietly turning every pull request into a mystery invoice. The dangerous part is not one large model call. It…
Testing & QA
⚑ Report a ProblemLatest Testing & QA news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
claude
cybersecurity
database
devchallenge
devops
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
softwareengineering
testing
tutorial
typescript
webdev
How to identify which customers are affected by API failures
Most API monitoring starts with endpoints: Which route is failing? What is the error rate? Did latency increase after a release? Those questions are e…
How to pick object storage for browser direct uploads with presigned URLs in Node.js
If you just want the recommendation: have your Node.js API mint a short-lived presigned URL, let the browser send the file straight into a private buc…
AI Consent Ledger: Stop Voice Agents From Ignoring Revoked Permission
A voice agent can sound polished, respond instantly, and still create a trust incident in one sentence: “Stop calling me.” If that request only update…
The Customer Success Playbook for Solo Founders
I ran customer success at a 200-person SaaS company before going independent. We had a dedicated CS team, a six-figure Gainsight contract, health scor…
A Secure Framework for Exposing SaaS Data to Your Data Lake
How to pull large volumes of data out of any enterprise SaaS platform — safely, repeatably, and without a single write permission. Every enterprise ru…
AI Analytics Row-Level Security: Let Users Ask Questions Without Leaking Data
The dangerous part of AI analytics is not that a model may write a bad chart title. It is that one friendly question can turn into a warehouse query y…
The Loneliness Protocol of a Solo Tech Founder
The Loneliness Protocol of a Solo Tech Founder Loneliness in entrepreneurship is as predictable as a server crash during peak traffic. For a solo foun…
How to Scale a Developer SaaS from 0 to 1 Lessons from Building PromptDev
Building a SaaS product is easy in 2026—technologies like Next.js, Vercel, and AI tools allow developers to launch products in days. However, scaling …
AI Wrappers Are Dying. Three Business Models Survived Instead.
In 2024, everyone and their manager launched an AI wrapper. A thin layer over GPT-4, a nice UI, a subscription fee, and boom: you were an AI company. …
Defeating the Multi-Tenant SaaS Concurrency Trap in PostgreSQL
Most backend engineers implement multi-tenant quota checks using a standard "read-then-write" pattern. In production, this pattern is highly unsafe: S…
Why Prompt Engineering Needs Software Architecture Principles (And How I Built PromptDev)
Most prompt libraries treat prompts like plain text snippets or random notes. But if you’re building production-grade AI features or complex system in…
What Still Required Human Judgment When Adding MCP to an AI-Assisted SaaS
I am building a very small SaaS for Brazilian businesses that still manage employee work hours in notebooks or spreadsheets. The product is called Pon…
Multi-Tenancy Architecture for SaaS
In Organizations, Teams, and Invitations we got people into the right organization: memberships, roles, invite flows, all the plumbing that decides wh…
Building an AI Recruitment SaaS: Lessons Learned
Five months ago I deleted two months of work and started over. This is the honest version of what happened next building Beonmap , an AI-powered job d…
Frontend-Only SaaS: The Rise of Static Utility Sites
Frontend-Only SaaS The combination of fast browser APIs (Web Crypto, Workers, WebAssembly) and generous third-party APIs (mail.gw, webhook.site) means…
AI Agent Skill Registry: Stop Prompt Sprawl Before Workflows Break
Your first agent workflow starts as one careful prompt, a few tools, and a developer who knows how it should behave. Then the product grows. Support w…
talonaudit.com
I built Talon Audit: a privacy-first approach to website exposure and remediation Most website audit tools answer one narrow question. A performance t…
Solo Founder or Startup Founder, What's right for you
The coffee shop on 2nd Street doesn't open until 7. I know because I've sat in my car in the parking lot at 6:17 AM three Tuesdays in a row, laptop ba…
The Production Readiness Checklist
In the last article , I walked through finding and fixing the slow parts of a SaaS before launch: N+1 queries, missing indexes, unbounded payloads, th…
I spent 2 days debugging why Google wouldn't index my new SaaS — the bug was in my own canonical tags
Launched a new site two days ago and Google Search Console showed zero indexing. Spent longer than I'd like to admit assuming it was just "new domain,…
Feature Flags Without LaunchDarkly: A 100-Line Solution
You want to merge a half-finished checkout redesign into main without breaking checkout for everyone. You want to ship a risky billing change but keep…
Great Tools for Solo SaaS Founders: A Battle-Tested Stack for 2024
Great Tools for Solo SaaS Founders: A Battle-Tested Stack for 2024 Building a SaaS product solo is simultaneously liberating and overwhelming. You're …
How to Find a SaaS Project to Build: A Developer's Practical Guide
How to Find a SaaS Project to Build: A Developer's Practical Guide You have the technical skills. You know Python, TypeScript, and React. You've seen …
The Best Python SaaS Boilerplates in 2024: A Comprehensive Guide
The Best Python SaaS Boilerplates in 2024: A Comprehensive Guide Building a SaaS application from scratch means reinventing the wheel on authenticatio…
9 checks before you launch an AI-built web app
AI tools can take a product from an empty repository to a convincing demo quickly. That is useful, but a smooth happy path does not answer a harder qu…
Contract Terms Worth Negotiating Beyond Price
Most vendor negotiations focus almost entirely on price, and price is usually the term with the least long-term leverage attached to it. A handful of …
How to Build Customer-Facing Analytics for B2B SaaS
Your B2B customers want to see their data. Usage metrics, billing summaries, conversion funnels, performance dashboards. Every customer expects analyt…
The best person to write your AI agent's skills probably can't write YAML
There's a quiet assumption baked into how most teams build agent skills right now: that the person who writes the SKILL.md file should be a developer.…
How to Build an MCP Server for Your SaaS: What Shipping Ours Taught Me
Last month I shipped an MCP server for Drumbeats. The code for the first working version took one day. The three weeks around that day are where every…