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Why RAG doesn't work for WhatsApp AI agents and what's the alternative

https://wpp.opero.so/blog/why-rag-fails-for-whatsapp-and-what-we-built-instead
2•juancruzguillen•1h ago

Comments

juancruzguillen•1h ago
If you're building AI agents that talk to people on WhatsApp, you've probably thought about memory. How does your agent remember what happened three days ago? How does it know the customer already rejected your offer? How does it avoid asking the same question twice?

The default answer in 2024 was RAG -Retrieval-Augmented Generation. Embed your messages, throw them in a vector database, and retrieve the relevant ones before generating a response.

We tried that. It doesn't work for conversations. Instead, we designed a three-layer system. Each layer serves a different purpose, and together they give an AI agent complete conversational awareness.

Read the blog for more.

Value numbering

https://bernsteinbear.com/blog/value-numbering/
1•tekknolagi•1m ago•0 comments

I Woke Up Not Knowing Who I Was – Building an AI Robot Brain [video]

https://www.youtube.com/watch?v=7T3ogtB5YS0
1•cobbzilla•3m ago•0 comments

If we hope to build artificial souls, where should we start?

https://aeon.co/essays/if-we-hope-to-build-artificial-souls-where-should-we-start
1•speckx•5m ago•1 comments

Show HN: Expi – Local No Subscription Converter and Media Editor

https://getexpi.app
1•philematic•6m ago•0 comments

Is grep all you need for agentic search?

https://softwaredoug.com/blog/2026/04/06/agentic-search-is-having-a-grep-moment.html
1•ingve•6m ago•0 comments

SpectralQuant: Breaking TurboQuant's Compression Limit via Spectral Structure

https://github.com/Dynamis-Labs/spectralquant
1•Numerlor•9m ago•0 comments

We Built a Skills Optimizer, Here's What We Learned About Claude Code

https://aaroneaton.com/walkthroughs/claudecode-skill-evolution-retrospective/
1•obrien1984ae•9m ago•0 comments

Show HN: I built a theme engine for white-label apps using OKLCH color science

https://hextimator.com
1•grga•9m ago•0 comments

Full Anatomy of Mercor's Data Breach

https://share.jotbird.com/restless-steady-riverbend
2•chirau•11m ago•0 comments

Puppy Could Someday Save Your Life

https://www.nytimes.com/2026/04/01/travel/avalanche-rescue-dogs-ski-patrol.html
1•gmays•12m ago•0 comments

Cell Phone Networks Are Just Microservices

https://www.cape.co/blog/cell-phone-networks-are-just-microservices?slug=blog
1•wglb•12m ago•0 comments

Scanned 28 major websites for AI agent readiness – results are embarrassing

https://www.clawtrak.com/
1•pixelfamiliar•13m ago•2 comments

NY Times publishes headline claiming the "A" in "NATO" stands for "American"

https://xcancel.com/NYTimesPR/status/2040142477215056082
3•latexr•14m ago•1 comments

Show HN: CalcMonte – Monte Carlo simulation for loans and investments

https://calcmonte.com/
1•osepper•16m ago•0 comments

The Pendulum of Taste

https://constantinos.dev/blog/the-pendulum-of-taste/
1•a022311•16m ago•0 comments

Cuneiform

https://en.wikipedia.org/wiki/Cuneiform
1•tosh•18m ago•0 comments

U.S. Lawmakers Work on Unified Site-Blocking Bill to Counter Online Piracy

https://torrentfreak.com/u-s-lawmakers-work-on-unified-site-blocking-bill-to-counter-online-piracy/
1•t-3•18m ago•0 comments

I let an AI run my startup for 35 days – 315 sessions, $0 revenue

https://agentfounder.ai/blog
2•manduks•20m ago•1 comments

Reviving a Robot

https://allevato.me/2026/04/03/reviving-a-robot
1•kukanani•21m ago•0 comments

Sketch of the Analytical Engine Invented by Charles Babbage

https://www.fourmilab.ch/babbage/sketch.html
1•shrikaranhanda•22m ago•0 comments

Video from Artemis II flyby of the Moon will not initially look spectacular

https://arstechnica.com/space/2026/04/video-from-artemis-ii-flyby-of-the-moon-will-not-initially-...
1•dangle1•23m ago•0 comments

C# in Unity 2026: Features Most Developers Still Don't Use

https://darkounity.com/blog/c-in-unity-2026-features-most-developers-still-dont-use
1•hacker_13•24m ago•0 comments

New fibre optic data transmission speed record of 450Tbps

https://www.ucl.ac.uk/news/2026/apr/new-fibre-optic-data-transmission-speed-record
3•giuliomagnifico•32m ago•0 comments

Private Files on a Static, Open-Source Website

https://hnlyman.github.io/pages/private_files.html
2•hnlyman•33m ago•1 comments

Gas Town from Clown Show to v1.0

https://steve-yegge.medium.com/gas-town-from-clown-show-to-v1-0-c239d9a407ec
1•yodon•34m ago•0 comments

Microbial upcycling of plastic waste to levodopa

https://www.nature.com/articles/s41893-026-01785-z
1•PaulHoule•34m ago•0 comments

Show HN: Lumina – a statically typed web-native language for JavaScript and WASM

https://github.com/nyigoro/lumina-lang
1•light_ideas•35m ago•0 comments

Disclosing bluehammer exploit, vulnerability is still unpatched

https://deadeclipse666.blogspot.com/2026/04/public-disclosure.html
3•Alifatisk•36m ago•0 comments

I Tried Vibing an RSS Reader and My Dreams Did Not Come True

https://blog.jim-nielsen.com/2026/vibe-dreams-didnt-come-true/
3•herbertl•36m ago•0 comments

What Being Ripped Off Taught Me

https://belief.horse/notes/what-being-ripped-off-taught-me/
55•doctorhandshake•39m ago•12 comments