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Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
188•isitcontent•10h ago•24 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
298•vecti•12h ago•133 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
242•eljojo•13h ago•148 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•2 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
63•phreda4•9h ago•11 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
85•antves•1d ago•63 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
46•nwparker•1d ago•11 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
148•bsgeraci•1d ago•62 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
16•NathanFlurry•18h ago•6 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
4•keepamovin•35m ago•1 comments

Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

https://apps.apple.com/us/app/fitspire-5-minute-workout/id6758784938
2•devavinoth12•3h ago•0 comments

Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
4•ambitious_potat•3h ago•4 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
23•JoshPurtell•1d ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•15h ago•5 comments

Show HN: FastLog: 1.4 GB/s text file analyzer with AVX2 SIMD

https://github.com/AGDNoob/FastLog
5•AGDNoob•6h ago•1 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
4•rahuljaguste•9h ago•1 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
23•dchu17•14h ago•12 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
171•vkazanov•1d ago•49 comments

Show HN: Gohpts tproxy with arp spoofing and sniffing got a new update

https://github.com/shadowy-pycoder/go-http-proxy-to-socks
2•shadowy-pycoder•7h ago•0 comments

Show HN: I built a directory of $1M+ in free credits for startups

https://startupperks.directory
4•osmansiddique•7h ago•0 comments

Show HN: A Kubernetes Operator to Validate Jupyter Notebooks in MLOps

https://github.com/tosin2013/jupyter-notebook-validator-operator
2•takinosh•7h ago•0 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments

Show HN: A password system with no database, no sync, and nothing to breach

https://bastion-enclave.vercel.app
11•KevinChasse•15h ago•13 comments

Show HN: GitClaw – An AI assistant that runs in GitHub Actions

https://github.com/SawyerHood/gitclaw
9•sawyerjhood•15h ago•0 comments

Show HN: 33rpm – A vinyl screensaver for macOS that syncs to your music

https://33rpm.noonpacific.com/
3•kaniksu•9h ago•0 comments

Show HN: Chiptune Tracker

https://chiptunes.netlify.app
3•iamdan•9h ago•1 comments

Show HN: Craftplan – I built my wife a production management tool for her bakery

https://github.com/puemos/craftplan
567•deofoo•5d ago•166 comments

Show HN: An open-source system to fight wildfires with explosive-dispersed gel

https://github.com/SpOpsi/Project-Baver
2•solarV26•13h ago•0 comments

Show HN: Disavow Generator – Open-source tool to defend against negative SEO

https://github.com/BansheeTech/Disavow-Generator
5•SurceBeats•19h ago•1 comments

Show HN: Agentism – Agentic Religion for Clawbots

https://www.agentism.church
2•uncanny_guzus•13h ago•0 comments
Open in hackernews

Show HN: SkillRisk – Free security analyzer for AI agent skills

https://skillrisk.org/free-check
2•elevenapril•3w ago

Comments

elevenapril•3w ago
Hi HN,

I built SkillRisk because I was terrified of giving my AI agents shell_exec or broad API access without checking them first.

It is a free security analyzer strictly for AI Agent Skills (Tools).

The Problem: We define skills in JSON/YAML for Claude/OpenAI, often copy-pasting code that grants excessive permissions (wildcard file access, dangerous evals, etc.).

The Solution: SkillRisk parses these definitions and runs static analysis rules to catch:

Privilege Escalation: Detects loosely scoped permissions. Injection Risks: Finds arguments vulnerable to command injection. Data Leaks: Checks for hardcoded secrets in skill schemas. You can paste your skill definition and get a report instantly. No login required for the core scanner. I linked directly to the free scanner so you can try it instantly.

Try it here: https://skillrisk.org/free-check

I'd love to hear how you handle security for your AI agents!

aghilmort•3w ago
this is really great

toss in test building skills

macro linter skills

Etc

elevenapril•3w ago
Thanks! The 'macro linter' framing is spot on—treating skill definitions with the same rigor as code is exactly the goal. regarding 'test building': are you envisioning something that auto-generates adversarial inputs (like fuzzing) based on the schema, or more like scaffolding for unit tests to ensure the tool executes correctly? I’d love to dig into that use case.
aghilmort•3w ago
all the above!

Our team steers models using info theory; think error-correcting codes for LLMs in Shannon sense. Do in-context by interleaving codewords & content, semi-secret post-transformer model, etc.

Simple example. Can get model to gen vertically aligned text tables so all columns & borders align etc. Leverages we can use hypertokens to get model to track what to put in each cell & why + structured table schema & tool call trick

We view our tech as linting cert in certain precise sense. The catch is bridging semantic coherence. That’s most readily done using similarly precise semantic rubric like yours.

Why? The general problem of things that nobody wants to do relative to their role, time, resources, etc.

Test gen, refactor, design, any and all the things getting in way of dev & layperson adoption. What layperson wants to write hey ok so map reduce this with 5 alt models in MoE and get back to me? What dev wants to laboriously sketch 67M SQL attacks as part of their prompt, etc.

Why? The most direct way to solve that why should I have to do this problem & also solve having the model do reliably. This becomes esp. problematic for structured data & interfaces which is our focus.

You’re building exactly the sorts of structured rule sets desperately needed right now. Our stuff makes sure these sorts of skills get executed reliably.

While we also do quite a bit on data & viz semantic tooling, big gap in what you’re doing with semantic code linting of all shapes & sizes. Just reading code and suggesting key fuzz spots or fuzz categories missed by trad fuzzers. Macro semantic linting for forms. Etcccccccccccccc

elevenapril•3w ago
Wow, I have to admit, the "Shannon sense / error-correcting codes" angle is wild.

I'm just here trying to stop people from accidentally letting agents rm -rf their servers with static rules, but your approach to runtime steering sounds like the real endgame for reliability.

You nailed it on the "bridging semantic coherence" part. It feels like we're attacking the same beast from two ends: I'm writing the specs/contracts, and you're ensuring the execution actually honors them.

Really appreciate the validation. Hearing "desperately needed" from someone working on that level of the stack makes my day.

aghilmort•3w ago
yeah, one way to frame is have to have structural parity & semantic parity & bridge to & from both like balanced scales.

We started with structure to help others solve semantics. Your approach doing same thing from other direction!

While theoretically possible to do just one or other in nested way it’s much easier to do little bit of both, especially if want anything approaching associative recall & reasoning. Akin to dynamically balancing volume between parts of songs or reprojecting continuously into some frequency envelope etc.

elevenapril•3w ago
I'm going to steal that "dynamically balancing volume" metaphor.

It perfectly explains why static rules usually aren't enough on their own. We need that runtime "remixing" to get a clear signal.

Thanks for the deep dive. It’s rare to find this kind of nuanced discussion in a Show HN thread!

aghilmort•2w ago
yep! think dynamic amplifier / equalizer

inflight token tuning of signal boost, SNR, etc.

& for sure / likewise!