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Invincat-CLI: A Self-Learning Agent That Gets Smarter as You Use It

https://github.com/dog-qiuqiu/invincat
1•qiuqiu123•40s ago•1 comments

"Why not just use Lean?"

https://lawrencecpaulson.github.io//2026/04/23/Why_not_Lean.html
1•ibobev•2m ago•0 comments

My Workflow for Understanding LLM Architectures

https://magazine.sebastianraschka.com/p/workflow-for-understanding-llms
1•ibobev•2m ago•0 comments

Nim Version 2.2.10 Released

https://nim-lang.org//blog/2026/04/24/nim-2210.html
2•ibobev•2m ago•0 comments

Code Is a System, Not Elegant Prose

https://www.lesecretairedefernand.co/en/tech/code-is-a-system/
1•lbdremy•3m ago•0 comments

HIITify – A clean, all-in-one HIIT and Interval Timer (Beta)

https://testflight.apple.com/join/XnDw8aDC
1•pclslopes•4m ago•0 comments

Built a free market scanner for options flow, looking for feedback

https://earlybell.app
1•Pascal_F•4m ago•0 comments

Barbara Liskov – Data Abstraction, Dijkstra, Distributed Systems [video]

https://www.youtube.com/watch?v=T9CGjbPZeaM
1•justin66•4m ago•0 comments

Strings Reviewer: review your app's strings faster and with confidence

https://stringsreviewer.app/
1•efenande•4m ago•1 comments

FerresDB is now open-source – A high-performance vector database

https://github.com/ferres-db/ferres-db
1•Ferres•5m ago•0 comments

OpenAI could be making a phone with AI agents replacing apps

https://techcrunch.com/2026/04/27/openai-could-be-making-a-phone-with-ai-agents-replacing-apps/
1•Brajeshwar•5m ago•0 comments

China blocks Meta from acquiring AI startup Manus

https://www.npr.org/2026/04/27/g-s1-118892/china-blocks-meta-from-acquiring-ai-startup-manus
2•oopsiremembered•5m ago•0 comments

OpenAI and Microsoft renegotiated their deal for the second time in 6 months

https://www.businessinsider.com/openai-microsoft-partnership-agreement-changes-cloud-providers-ag...
1•vinnyglennon•7m ago•0 comments

Tarsier (Tarsiidae) – the littlest suicidal primates

https://redactedquirk.beehiiv.com/p/tarsiers-tarsiidae
1•speckx•8m ago•0 comments

AI gives more praise, less criticism to Black students

https://hechingerreport.org/proof-points-ai-bias-feedback/
1•jcdelaney•8m ago•0 comments

Neanderthals may have shared key DNA for complex language

https://phys.org/news/2026-04-neanderthals-key-dna-complex-language.html
1•gmays•9m ago•0 comments

Using LLMs to find Python C-extension bugs

https://lwn.net/SubscriberLink/1067234/801a0f084f7f0493/
1•lumpa•13m ago•0 comments

X's translate feature injects Zionist propaganda

https://twitter.com/Hezbolsonaro/status/2048227481736593589
1•sosomoxie•13m ago•0 comments

A Timeline to China Blocking Meta's $2B Manus Acquisition (Built Using Manus)

https://metamanus-rsbcnkpx.manus.space/
2•mattcollins•14m ago•0 comments

Pharmacovigilance

https://en.wikipedia.org/wiki/Pharmacovigilance
2•_Microft•15m ago•0 comments

Codedb: Code intelligence server for AI agents

https://github.com/justrach/codedb
1•doppp•15m ago•0 comments

Zork-bench: An LLM reasoning eval based on text adventure games

https://www.lowimpactfruit.com/p/zork-bench-an-llm-reasoning-eval
1•nicholasjbs•16m ago•0 comments

2026 Hugo Award Finalists

https://blog.zarfhome.com/2026/04/2026-hugo-finalists
1•speckx•18m ago•0 comments

Rvidia-exporter – Prometheus metrics exporter for Nvidia GPUs

https://github.com/neo-airouter/rvidia-exporter
1•sacrelege•19m ago•1 comments

Live coverage: SpaceX to launch final ViaSat-3 satellite on Falcon Heavy rocket

https://spaceflightnow.com/2026/04/27/live-coverage-spacex-to-launch-final-viasat-3-satellite-on-...
1•bookmtn•19m ago•0 comments

Review: The Greatest Knight, by Thomas Asbridge

https://www.thepsmiths.com/p/review-the-greatest-knight-by-thomas
1•jger15•19m ago•0 comments

Postgres's lateral joins allow for quite the good eDSL

https://bensimms.moe/postgres-lateral-makes-quite-a-good-dsl/
1•nitros•19m ago•0 comments

Bookshop.org founder on how small retailers are taking on Amazon

https://www.fastcompany.com/91529634/independent-bookstore-day-bookshop-org-founder-on-how-small-...
1•helterskelter•19m ago•0 comments

SQLite-memory-MCP – SQLite-backed working memory for Claude, Codex, and humans

https://github.com/RMANOV/sqlite-memory-mcp
1•ruslanMANOV•20m ago•0 comments

Novai – AI-native L1 blockchain, 65K lines of Rust, built from scratch

https://github.com/0x-devc/NOVAI-node
1•0xdevc•23m ago•0 comments
Open in hackernews

What if your QA engineer never slept?

1•GTCHO•11mo ago
I've worked in startups and big tech. The most common bottleneck? QA. One team I know ditched the traditional approach and runs an agent that acts like an engineer, 24/7. It's synthetic, learns from bug history, and can gate PRs. Wild idea, or future standard?

Comments

duxup•11mo ago
I think you knowing someone who does this thing might be able to clue us into how well it works.
turtleyacht•11mo ago
QA receives whatever gets merged and (what they decide gets) deployed (to test); they cannot block PRs. It would be nice though to make some checks block merge, i.e. Required workflows.

Learning from bugs is amazing. Connect to production support tickets to link code changes to real incidents. When done manually by on-call, there is no other historical context.

Automate estimation with "this story reminds me of stories A, B, C, which were estimated to be X points and took Y days." A link lets folks drill down to code metrics, artifact version, etc.

A QA agent would be remarkable in that it has a complete and total timeline for everything, and can be queried in chat.

GTCHO•11mo ago
Completely agree. Linking incidents back to code changes is one of the most valuable things a team can do but it's rarely done well. In this case, the agent actually learns from that full timeline production incidents, support tickets, commit diffs. It surfaces patterns you’d never catch manually, like an issue that only appears under high concurrency.

Also yes on chat querying. One of the most useful parts was letting PMs ask questions like “Has this bug happened since April?” and getting a full trace across releases. The idea of automating grooming using historical story similarity is spot on too. This could easily save teams hours per sprint.

jakedlu•11mo ago
I think it's an interesting idea, especially if it's just running on production or staging and constantly just trying new flows/testing edge cases. I would be curious about (1) the quality of testing compared to an actual human and (2) the cost involved. Obviously compared to a human salary the cost could get quite high before it became an impediment (also depending on quality). But running an agent 24/7 seems like costs could certainly pile up.
GTCHO•11mo ago
Really good points. On quality it’s not replacing human insight, but it is exceptional at pattern recognition and coverage at scale. It catches edge cases that tend to get missed and never forgets past regressions. The best results I’ve seen come from pairing the agent with human QA. The agent does ambient monitoring and flags suspicious behavior. Humans then dig deeper.

Cost-wise, it’s surprisingly reasonable. The version I saw ran in containers that spun up based on commit activity or deploy frequency. So if no one is pushing code, it's idle. But during launches or busy dev cycles, it ramps up. Much cheaper than staffing a full team to maintain 24/7 vigilance.

ThrowawayR2•11mo ago
If your QA staff are no better than an "AI" agent, dump them and hire better QA staff.
GTCHO•11mo ago
I hear you and to be clear, this isn’t about replacing talented QA teams. It’s about offloading the repetitive and pattern-based parts of QA so human testers can focus on more strategic, exploratory, and usability-driven work.

In the case I saw, the agent handled things like regression patterns, diff analysis, and known-risk detection across thousands of past issues. The QA team actually became more valuable because they weren’t stuck rerunning the same test plan for the fifth time that week. It was augmentation, not replacement.

That said, I totally agree if a team is just rubber-stamping PRs, the issue isn’t automation, it’s expectations and leadership.