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Show HN: I visualized the entire history of Citi Bike in the browser

https://bikemap.nyc/
49•freemanjiang•7h ago•20 comments

Show HN: I built a "Do not disturb" Device for my home office

https://apoorv.page/blogs/over-engineered-dnd
71•quacky_batak•4d ago•35 comments

Show HN: An LLM response cache that's aware of dynamic data

https://blog.butter.dev/on-automatic-template-induction-for-response-caching
12•raymondtana•5h ago•1 comments

Show HN: Free and local browser tool for designing gear models for 3D printing

https://gears.dmtrkovalenko.dev
38•neogoose•17h ago•10 comments

Show HN: A to Z – A word game I built from a childhood road trip memory

https://a26z.fun/
9•jackhulbert•6h ago•6 comments

Show HN: SMTP Tunnel – A SOCKS5 proxy disguised as email traffic to bypass DPI

https://github.com/x011/smtp-tunnel-proxy
126•lobito25•1d ago•43 comments

Show HN: KeelTest – AI-driven VS Code unit test generator with bug discovery

https://keelcode.dev/keeltest
26•bulba4aur•12h ago•10 comments

Show HN: Kerns – A Continuous Research Workspace

https://www.kerns.ai/
4•kanodiaayush•3h ago•0 comments

Show HN: Comet MCP – Give Claude Code a browser that can click

https://github.com/hanzili/comet-mcp
25•hanzili•4d ago•26 comments

Show HN: VaultSandbox – Test your real MailGun/SES/etc. integration

https://vaultsandbox.com/
52•vaultsandbox•1d ago•9 comments

Show HN: Flatagents: State machine orchestration with stateless LLM agents

https://github.com/memgrafter/flatagents
2•beacon294•4h ago•1 comments

Show HN: Tylax – A bidirectional LaTeX to Typst converter in Rust

https://github.com/scipenai/tylax
18•democat•10h ago•2 comments

Show HN: Mantic.sh – A structural code search engine for AI agents

https://github.com/marcoaapfortes/Mantic.sh
74•marcoaapfortes•1d ago•34 comments

Show HN: Tool for Testing MCP Servers

https://www.mcp-workbench.ai/
2•opiniateddev•5h ago•0 comments

Show HN: 48-digit prime numbers every git commit

https://textonly.github.io/git-prime/
66•keepamovin•6d ago•52 comments

Show HN: bikemap.nyc – visualization of the entire history of Citi Bike

https://github.com/freeman-jiang/bikemap.nyc
6•freemanjiang•5h ago•3 comments

Show HN: Game Boy Release Timelines

https://gameboyessentials.com/timelines
2•philistine•5h ago•2 comments

Show HN: Grammar of Graphics CLI tool made in Rust

https://github.com/williamcotton/gramgraph
2•williamcotton•5h ago•0 comments

Show HN: Tailsnitch – A security auditor for Tailscale

https://github.com/Adversis/tailsnitch
271•thesubtlety•2d ago•28 comments

Show HN: Prism.Tools – Free and privacy-focused developer utilities

https://blgardner.github.io/prism.tools/
365•BLGardner•1d ago•99 comments

Show HN: Make audio loops online

https://makeloops.online/
66•bilalba•2d ago•22 comments

Show HN: Stash – Sync Markdown Files with Apple Notes via CLI

https://github.com/shakedlokits/stash
70•shuka•1d ago•21 comments

Show HN: DoNotNotify – Log and intelligently block notifications on Android

https://donotnotify.com/
339•awaaz•2d ago•163 comments

Show HN: I built a simple "Gemini" watermark remover extension, "Peel Banana"

https://chromewebstore.google.com/detail/peel-banana/cngdhnfjakplnhplnmlgjalmfcochdgj
2•davepoon•2h ago•0 comments

Show HN: Seapie – a Python debugger where breakpoints drop into a REPL

https://github.com/hirsimaki-markus/seapie
7•markushirsimaki•8h ago•1 comments

Show HN: llmgame.ai – The Wikipedia Game but with LLMs

https://www.llmgame.ai
24•jmcallister•1d ago•22 comments

Show HN: Jax-JS, array library in JavaScript targeting WebGPU

https://ss.ekzhang.com/p/jax-js-an-ml-library-for-the-web
80•ekzhang•1d ago•22 comments

Show HN: Foundertrace – chain of YC startups founded by its employees

https://foundertrace.com/
38•loondri•4d ago•13 comments

Show HN: GPU Cuckoo Filter – faster queries than Blocked Bloom, with deletion

https://github.com/tdortman/cuckoo-filter
31•tdortman•1d ago•4 comments

Show HN: DDL to Data – Generate realistic test data from SQL schemas

52•tbrannan•1d ago•29 comments
Open in hackernews

Show HN: Open-source AI workflows with read-only auth scopes

https://github.com/seer-engg/seer
11•akshay326•5d ago
Hey HN! I'm Akshay, and I'm launching Seer - yet another AI workflow builder with granular OAuth scopes.

GitHub: https://github.com/seer-engg/seer Demo video: https://youtu.be/cmQvmla8sl0

The Problem: We've been building AI workflows for the past year and kept running into the same issue: existing platforms (n8n, Langflow, Flowise) require full access to your Google services even for read-only operations. Want to summarize emails? You're also granting send permissions. Want to read docs? You're also granting edit permissions. If you want granular scopes, the onus is on you to:

- Create your own OAuth app with Google (1-2 weeks approval time) - Modify source code to support read-only scopes

We saw this pattern repeated across Discord channels and GitHub issues - developers asking for better scope support, maintainers saying "you can configure it yourself."

Our Solution: Seer ships with read-only auth scopes as the default for common operations. It's self-hostable, so your data never leaves your infrastructure. The demo shows a simple email summarization workflow (Gmail + LLM API), but the principle applies to any integration.

Why This Matters: Security through least privilege isn't just best practice - it's essential when you're giving AI agents access to your production data. One compromised workflow shouldn't mean your entire Google Workspace is at risk.

Questions for HN: 1. How are you currently handling OAuth scopes in your AI automation workflows? 2. Would you find value in a scope validator that audits your existing workflows? 3. What other integrations would you want to see with granular permissions?

The only similar platform with granular scope support is Make.com, but it's closed-source. We think this should be the standard, not the exception.

Would love your feedback!