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Show HN: I built an agent that uses email as a file system

https://www.supafax.com/
3•rohanmahen•11h ago
Hey HN,

We're building Supafax an agent that uses email as its memory and config store.

Here's how it works:

- You email yourself to talk to the agent - The agent uses that slice of your outbox as it's inbox and short term memory - It can insert emails into your inbox to store routines, reminders, and rules for itself

Email is such a good primitive because it's essentially an append-only immutable record of all the valuable context about you and your relationships, and agents thrive on this highly structured surface. The tricky bit is users are very reluctant to share that data with companies. So instead of storing your email in a sql or vdb we leverage your inbox to be that storage space and Supafax stores nothing.

Think we're the only AI email assistant not storing your emails :)

Show HN: I made a heatmap of 3400 VCs who are open to cold emails

https://apparent.social/heat-map
9•west_subject•1h ago•5 comments

Show HN: Makes local LLMs faster and more reliable by optimizing for your device

https://www.autotunellm.com/
4•tanavc•1h ago•0 comments

Show HN: My 13-year-old built an ant colony tracker

https://formicarium.es
4•abelgvidal•2h ago•0 comments

Show HN: I built an AI agent to yell at me about my ADHD

https://0xff.nu/hex/
3•hxii•2h ago•0 comments

Show HN: Clusy – Cursor for data science notebooks in cloud

https://www.clusy.io/
4•eldar_hsnv•2h ago•0 comments

Show HN: Shot-scraper video tool for recording YAML-defined webapp feature demos

https://simonwillison.net/2026/Jun/30/shot-scraper-video/
4•simonw•2h ago•1 comments

Show HN: fenic – LLMs as dataframe operators, query meaning and structure

https://github.com/typedef-ai/fenic
3•cpard•3h ago•0 comments

Show HN: Openleetcode – local LeetCode runner with open test suites

https://github.com/therepanic/openleetcode
3•therepanic•3h ago•0 comments

Show HN: Don't ask if devs cheat with AI, test if they're good with it

https://tryevaluator.com
5•skyepstein•3h ago•3 comments

Show HN: Shoaku – Your Coding Navigator

https://github.com/seachicken/intellij-shoaku
4•seachicken•5h ago•2 comments

Show HN: Second opinion – A skill to query different models

https://github.com/kmcheung12/second-opinion
4•a_c•5h ago•2 comments

Show HN: Classic Minesweeper

https://guokai.dev/minesweeper/
9•hanguokai•11h ago•8 comments

Show HN: TraceAIO – open-source LLM visibility tracker

https://traceaio.org
6•owenthejumper•6h ago•1 comments

Show HN: NodePad – AI agent on a canvas instead of a linear chat

https://node-pad.com/
5•palazski•6h ago•0 comments

Show HN: PDFMergely – In-browser PDF tools that never upload your files

https://pdfmergely.com
16•pdfmergely•13h ago•18 comments

Show HN: Running Gemma-4 26B at 124 tokens/SEC on a CPU, no GPU

https://apeg.dev/writing/running-gemma4-26b-on-a-cpu/
10•arun-prasath•7h ago•1 comments

Show HN: Agentic Orchestrator, a TUI for long-running coding agents

https://github.com/doordash-oss/agentic-orchestrator
15•ivrr•18h ago•2 comments

Show HN: Privacy policy generator for AI apps (LLM disclosure, EU AI Act)

https://ai-policy-gen.pages.dev
6•wyss0513•9h ago•1 comments

Show HN: DRM-Free Books

https://frequal.com/Perspectives/DrmFreeAuthors.html
118•TeaVMFan•2d ago•46 comments

Show HN: ServerKit – A mobile UI for server management

https://play.google.com/store/apps/details?id=com.iishanto.servermanager&hl=en_US
5•iishanto•5h ago•4 comments

Show HN: Zanagrams

https://zanagrams.com/
388•pompomsheep•2d ago•103 comments

Show HN: Rheo 0.4.0

https://github.com/freecomputinglab/rheo
3•breezykermo•10h ago•0 comments

Show HN: I built an agent that uses email as a file system

https://www.supafax.com/
3•rohanmahen•11h ago•0 comments

Show HN: Bash4LLM+ – A lightweight, dependency-free Bash wrapper for LLM APIs

https://github.com/kamaludu/bash4llm/
59•kamaludu•1d ago•22 comments

Show HN: AMA2, messenger built for AI agent

https://ama2.me/
5•ejhooooon•19h ago•1 comments

Show HN: Vaghenu, a meter aware sloka-to-chant, TTS for Sanskrit

9•init0•14h ago•2 comments

Show HN: NanoEuler – GPT-2 scale model in pure C/CUDA from scratch

https://github.com/JustVugg/nanoeuler
53•vforno•2d ago•25 comments

Show HN: Decomp Academy – Learn to decompile GameCube games into matching C

https://decomp-academy.dev
195•jackpriceburns•2d ago•78 comments

Show HN: Zenith: sota harness for normal models to beat Fable on FrontierSWE

https://ii.inc/blog/post/zenith
7•emadm•22h ago•0 comments

Show HN: Fleet – a local-first console for managing Dockerized Hermes AI Agents

https://github.com/matt454/agent-fleet-console
8•matt454•23h ago•0 comments