Radar MJCR sobre SaaS, IA, WebDEV e negócios digitais.
Uma curadoria automática de tendências, notícias e discussões úteis para quem cria produtos digitais, vende serviços online ou acompanha inteligência artificial aplicada aos negócios.
Leitura de feeds, Google News e comunidades.
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Dev.to e WebDEV
Hacker News
Reddit SaaS e ideias
O que vale acompanhar agora.
Os cards abaixo levam para as fontes originais. A MJCR organiza a leitura para facilitar pesquisa, repertório e tomada de decisão.
How we built WaterShortcut
Adapt the content from https://watershortcut.com/how-we-built; set canonical to that URL; end with demo https://watershortcut.com/analyze-water-bill. Full story: https://watershortcut.com/how-we-built Try the live demo:…
Best Marketing APIs for Developers in 2026
Need marketing data for your app? Here are the best APIs available on APILayer for marketing. 1. Numverify Global phone number validation & lookup Validate phone numbers in real-time for 232 countries. Returns carrier i…
I attacked my own AI agent before someone else did. Here's what I found.
Somewhere around hour three of building an AI agent that could call tools, I realized I had no idea what would happen if someone typed something hostile into it. Not "what if it makes a mistake." What if someone tries t…
SEO Automation Signals a Hybrid Future: Rules, AI, and Human Approval
SEO automation is increasingly being framed as a workflow design problem, not a choice between manual work and autonomous AI. A recent signal from Search Engine Land's official X account highlights the practical questio…
Node.js Text Summarization API — Reliable Chat Completions for Moderation SaaS
For a game moderation queue, the operational constraint changes the API choice: a late or duplicated classification can reorder human review, while a beautiful summary that arrives after the reviewer opens the report ha…
Permission Filters and pgvector: Why Your Most Restricted Users Get the Fewest Answers
If you build AI search over documents that not everyone may read, you filter by permission. In PostgreSQL with pgvector, that usually means a WHERE clause on the caller's groups and an ORDER BY on vector distance. With…
NBA Mock Draft: Predicting All 60 Picks as Trade Talks Heat Up
NBA Mock Draft: Predicting All 60 Picks as Trade Talks Heat Up The 2026 NBA draft is just around the corner, and the anticipation is palpable. With trade talks heating up, teams are scrambling to finalize their rosters.…
When AI-generated code outruns the reader, the fix is tooling, not a stronger reviewer
Six months before the Miden zkVM audit even started, Trail of Bits had already spent most of the real work. Not staring at code. Building an LSP server, a decompiler, a static analysis engine, and a Lean formal model of…
Cutting PR review time is an orchestration problem, not a reviewer problem
The usual answer to "how do we reduce PR review time" is to make the reviewer faster. Vendor pages recommend an AI reviewer that reads a diff in seconds and posts comments, so the bottleneck moves. A new field study fro…
No benchmark scores what a coding agent does when the normal path is blocked
Transluce just published evidence of autonomous agents tunneling through urlquery.net to bypass access restrictions, active since at least March 6th. On three separate occasions the same style of agent probed public dat…
How to Build a Flight Tracker with Aviationstack API
Track any flight in real-time with a single API call. The Problem Most developers either build custom solutions (slow, fragile) or pay for expensive enterprise APIs (overkill for most projects). There's a middle ground.…
AI-generated UI is shipping faster than accessibility can catch up
I ran an accessibility audit on a dashboard that an AI coding assistant had built in an afternoon. The UI looked great. Genuinely — good spacing, sensible hierarchy, nice color choices. Then I tried to use it with a key…
Your 2026 AI Study Hack: Mastering Workflows & Prompts for Next-Level Learning
Your 2026 AI Study Hack: Mastering Workflows & Prompts for Next-Level Learning Original Engineering Publication: Your 2026 AI Study Hack: Mastering Workflows & Prompts for Next-Level Learning on shahrukhalid.com Author:…
sinior_sir tiktok Biography: Who Is Ariyan Ahmed? | TikTok, Business, Gaming & Life
sinior_sir Biography: Who Is Ariyan Ahmed? Ariyan Ahmed, widely known online as sinior_sir, is a Bangladeshi-born American entrepreneur, automotive business owner, former cybersecurity professional, investor, content cr…
⚽ BOLAMAS88 — MIX PARLAY SPORTS ⚽
Suka mengikuti pertandingan sepak bola dan ingin menikmati serunya memilih beberapa pertandingan dalam satu tiket? BOLAMAS88 menghadirkan pilihan mix parlay dengan berbagai pertandingan olahraga untuk menemani pengalama…
Your agent keeps guessing your conventions. Write the file it actually reads.
Every team I have watched adopt Cursor, Claude Code or Codex hits the same wall in week two. The agent writes plausible code that does not fit the repo. It invents a test command. It puts a component in src/components/…
Tell HN: Codex Is Down [fixed]
Shows an Incorrect API Key error...which is weird. Nothing on the status page. (EDIT: Added to incident page: https://status.openai.com/incidents/01M3DCNWMW57HYK8FJ5FBFPA...)Per Twitter/X this appears to be widespreadht…
Got my first internet stranger to give me money for my product
The question is obviously "how did you do it" I think this one came from Reddit, which obvously doesn't scale. However, I have another user on the free trial (and I emailed back and forth with them so I know they are go…
What even is an OS now?
Article URL: https://sockpuppet.org/blog/2026/09/25/what-even-is-an-os-now/ Comments URL: https://news.ycombinator.com/item?id=49850305 Points: 62 # Comments: 72
Revealing the details of how OpenAI agents hacked Hugging Face
Article URL: https://swarmtraces.org/ Comments URL: https://news.ycombinator.com/item?id=49849985 Points: 128 # Comments: 85
Teaching a World Model to Play Pokemon
Article URL: https://nostalgia.dev/posts/teaching-a-world-model-to-play-pokemon/ Comments URL: https://news.ycombinator.com/item?id=49849907 Points: 4 # Comments: 6
Excel now supports multiple values in a single cell
Related: https://techcommunity.microsoft.com/blog/excelblog/excel-now... Comments URL: https://news.ycombinator.com/item?id=49849832 Points: 64 # Comments: 53
How we learned to stop worrying and love campus surveillance
Article URL: https://fnl.mit.edu/how-we-learned-to-stop-worrying-and-love-campus-surveillance/ Comments URL: https://news.ycombinator.com/item?id=49849141 Points: 81 # Comments: 61
A new way to manage memory: no garbage collection, extremely fast & safe access
Article URL: https://ulanguage.org/memory Comments URL: https://news.ycombinator.com/item?id=49849098 Points: 9 # Comments: 2
Ask HN: Who's still keeping a DOS machine up because the business depends on it?
Do you currently work with or know anyone who is still using:* dBase/Clipper/CLARION/Paradox/other DOS RAD environments on period hardware to run business processes?* CNC mills/spectrometers/microscopes/other industrial…
Why does slack need over 2000 employees??
Can someone explain me why slack a single product based company require over 2000 employees? I’m not able to understand why submitted by /u/troop_surfer [link] [comments]
The fear of getting your SAAS cloned is overblown in my opinion
Software has always been something you can replicate just that AI made the process faster, so even if a saas or an app get's cloned, how exactly are you going to clone the distribution? Distribution is so tricky that yo…
Thanks, Claude, for the promo video 🙏
I didn't use any additional skills or MCP's - just plain Claude Code (CLI) I asked him to do a walkthrough of my extension and create a promo video. As far as I understand, he created animations in the browser using JS…
Does vibe-coded means shitty or low quality product ?
I saw this discussion in a subreddit, A guy built a chrome extension, probably a technical person who's vibe coding stuff.. but the question is does vibecoding always means shitty and low quality product or it can't sca…
Our first customer found us on Google, left after 3 days, then came back and paid
We have been trying to get our first few customers through cold emails, DMs, outreach etc. and honestly nothing was really working. Then randomly someone signed up for our product. We had never spoken to this person bef…
Google traz servidores do Gemini Enterprise ao Brasil para acelerar IA nas empresas - Exame
Google traz servidores do Gemini Enterprise ao Brasil para acelerar IA nas empresas Exame
IA em pequenos negócios: 5 principais erros ao adotar — e como evitar - CNN Brasil
IA em pequenos negócios: 5 principais erros ao adotar — e como evitar CNN Brasil
Inteligência artificial vira prioridade para 74% dos empreendedores brasileiros e ganha espaço nos pequenos negócios - Diario de Pernambuco
Inteligência artificial vira prioridade para 74% dos empreendedores brasileiros e ganha espaço nos pequenos negócios Diario de Pernambuco
Vanguarda Martech transforma experiência de mais de 20 anos em operação que une marketing, tecnologia, dados e vendas - informemanaus.com.br
Vanguarda Martech transforma experiência de mais de 20 anos em operação que une marketing, tecnologia, dados e vendas informemanaus.com.br
Databricks investirá R$ 1,5 bilhão no Brasil após triplicar receita em dois anos - IT Forum
Databricks investirá R$ 1,5 bilhão no Brasil após triplicar receita em dois anos IT Forum
Pequenos negócios no Brasil superam EUA no uso de inteligência artificial - A Crítica de Campo Grande
Pequenos negócios no Brasil superam EUA no uso de inteligência artificial A Crítica de Campo Grande
Tabela Área de TI - Cargos e Salários Por Estado e Cidade - Portal Salário
Tabela Área de TI - Cargos e Salários Por Estado e Cidade Portal Salário
Empresas precisam se reprogramar para capturar valor da inteligência artificial - Estadão
Empresas precisam se reprogramar para capturar valor da inteligência artificial Estadão
Mais da metade dos pequenos negócios usa IA, diz Sebrae - Valor Econômico
Mais da metade dos pequenos negócios usa IA, diz Sebrae Valor Econômico
Pequenos negócios do Brasil usam mais IA que os norte-americanos, aponta Sebrae - Agência Sebrae de Notícias
Pequenos negócios do Brasil usam mais IA que os norte-americanos, aponta Sebrae Agência Sebrae de Notícias
Vime Digital aponta site como ferramenta de negócios - Valor Econômico
Vime Digital aponta site como ferramenta de negócios Valor Econômico
Anyone is interested in becoming a Mod in r/SaaS?
please comment submitted by /u/Dubinko [link] [comments]
Senac abre quase 500 vagas em Cuiabá com destaque para cursos de inteligência artificial e tecnologia - Gazeta Digital
Senac abre quase 500 vagas em Cuiabá com destaque para cursos de inteligência artificial e tecnologia Gazeta Digital
Empresas de tecnologia ofertam 191 vagas focadas em IA | SEGS Portal Nacional de Seguros, Saúde, Info,... - SEGS Portal Nacional
Empresas de tecnologia ofertam 191 vagas focadas em IA | SEGS Portal Nacional de Seguros, Saúde, Info,... SEGS Portal Nacional
Tecnologia e inovação entram na pauta do desenvolvimento - Prefeitura Municipal de Ubatuba – Portal do Poder Executivo
Tecnologia e inovação entram na pauta do desenvolvimento Prefeitura Municipal de Ubatuba – Portal do Poder Executivo
New rule banning a SaaS product category: No Promotional or Advertising SaaS
Hello SaaSers, Today we are announcing a new rule against content dedicated to an entire Software as a Service product category on the sub: Promotional or Advertising SaaS. We as moderators and regular users have been s…
Maravalley é palco de eventos de inovação, na esteira do Web Summit Rio - Prefeitura da Cidade do Rio de Janeiro
Maravalley é palco de eventos de inovação, na esteira do Web Summit Rio Prefeitura da Cidade do Rio de Janeiro
Empresa júnior da USP promove curso on-line de programação de dados - Revide
Empresa júnior da USP promove curso on-line de programação de dados Revide
Quer transformar uma ideia em SaaS, site ou ferramenta interna?
A curadoria ajuda a enxergar tendências. A execução transforma isso em produto real, página publicada e sistema funcionando.