What AI engineers are building

Daily AI-engineering signal (mechanical fallback — LLM error: 404 Client Error: Not Found for url: https://api.groq.com/openai/v1/chat/complet)

5 deep dives · 3 builder stories · 15 quick hits · 339 items scanned

agentslocal/inferenceMCP/toolscoding agentsevalspromptingRAGfine-tuning

Mechanical fallback The LLM was unavailable, so today's brief is auto-assembled from raw rankings.

Deep dives

Hacker News

Show HN: Whiteboard (YC W26) – An open-source IDE for thoughtful software design

Hello! We’re Sid, Alex, Ketan, and Milan. We’re building Whiteboard ( https://whiteboard.dev.fast/ ), an open-source desktop app where humans and agents can architect software together in a common workspace. Here’s our repo: https://github.com/devdotfast/whiteboard . We were missing the feeling of a

Why it matters

Flagged by the ranking heuristics as a real, artifact-backed build.

Try thisOpen the link and skim the repo / paper.

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GitHub

pallavi-shekhar/ai-engineering-interview-questions-company-wise

Your Cheat Sheet For AI Engineering Interviews at Top AI Companies - Questions and Answers.

Why it matters

Flagged by the ranking heuristics as a real, artifact-backed build.

Try thisOpen the link and skim the repo / paper.

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HF model

convaiinnovations/laya

Trending model on Hugging Face — text-classification, transformers; 3504 likes, 0 downloads.

Why it matters

Flagged by the ranking heuristics as a real, artifact-backed build.

Try thisOpen the link and skim the repo / paper.

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GitHub

sno-ai/sno-station

Sno Station — your Claude Code and Codex working as one squad on your own machine. Shared encrypted memory, agent-to-agent messaging (Reach), squad skills for handoff and cross-vendor review, and a nightly loop that rewrites the agents' own skills with your approval. Open source, no daemon, no cloud

Why it matters

Flagged by the ranking heuristics as a real, artifact-backed build.

Try thisOpen the link and skim the repo / paper.

View on GitHub↗

HF model

Qwen/Qwen-Image-2.1

Trending model on Hugging Face — text-to-image, diffusers; 2248 likes, 42,469 downloads.

Why it matters

Flagged by the ranking heuristics as a real, artifact-backed build.

Try thisOpen the link and skim the repo / paper.

View on Hugging Face↗

What people actually built

Show HN

Show HN: Knowledge Signal – A JEV-powered rubric assessment tool for study notes

I built Knowledge Signal, an open-source prototype that turns study notes into structured, confidence-aware knowledge profiles using TypeSafe AI's Jev model.

Steal thisFlagged by keyword heuristics as a first-person build write-up — read the post for the details.

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Show HN

Show HN: A single-use authorization boundary in Rust

I built a small Rust experiment for putting an authorization boundary in front of a protected action. An authorization is tied to a specific action, resource, and payload. Once it's used successfully, trying to use the same authorization again is denied. The repo includes the imp

Steal thisFlagged by keyword heuristics as a first-person build write-up — read the post for the details.

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Show HN

Show HN: Radix – Visual UI for agentic programming

Hey HN, I'm Jordan from Radix. Radix is a UI tool for programming agents. You prompt your agent to generate a workspace for a task you're working on and get an interactive widget that persists locally on disk. I built Radix because I always needed tools while I was writing code:

Steal thisFlagged by keyword heuristics as a first-person build write-up — read the post for the details.

Open link↗

Quick hits

Show HN: Air-gapped file encryption as self-decrypting HTML page ↗

Show HN

Air-gapped file encryption packed into a single, self-decrypting HTML page. Repo: https://github.com/ApelegHQ/ts-cms-ep-sfx I was inspired b

Jev Decision Index ↗

HF Space

abenzerps/Qwen-Image-2.1-Uncensored-GGUF ↗

HF model

prism-ml/Ternary-Bonsai-2-27B-gguf ↗

HF model