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Ask HN: What Are You Working On? (March 2026)

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Re: Ask HN: What Are You Working On? (March 2026)

#861
post #729

I am continuing to work on Kan [0], a dev-focused kanban board that works via plain text files in your repository. I am finding it really useful for solo projects, giving a really simple way to get per-project Kanban boards that I can sync via Git. Since it's local only, it's really snappy, and given the dev-focus, it can offer some pretty nice workflows with local hooks, customization, etc. The other project I am co…

Psyched to try kan - thx.

Re: Ask HN: What Are You Working On? (March 2026)

#863

Tool that lets you build shortcuts and custom functionality for most macOS apps. You write JS snippets like this: const app = new App("com.apple.finder") and then query for elements: const window = app.$({role: "window"}) const someButton = window.$(/* another query */) and then do stuff with it: someButton.press() and you can bind everything to very specific shortcuts like "press and hold cmd, then scroll mouse whee…

Sounds neat - is there a repo?

Re: Ask HN: What Are You Working On? (March 2026)

#864
SEEKING WORK | Remote | AI/Full-Stack Engineering We ship production AI backends for startups and agencies: • RAG pipelines (Pinecone, Weaviate, Supabase Vector) • Multi-agent systems (LangGraph, CrewAI) • Full-stack AI MVPs (Next.js + Python + Supabase) • Auth migrations & infrastructure hardening • Fine-tuning (OpenAI, Llama 3) Recent: Trading platform auth migration (700+ users, zero downtime), IoT payment gateway, multi-agent cybersecurity monitoring. Stack: Python, LangGraph, Next.js, Supabase, Pinecone, AWS Portfolio: sauravjain.dev Email: [sourishkundu22@gmail.com] Rate: $50-80/hr or project-based ($5-15K) or more depend on project.

Re: Ask HN: What Are You Working On? (March 2026)

#865

A fully vibe coded python 3.14 interpreter in Rust: https://blueblazin.github.io/pyrs Now at 350k lines. Native and wasm binaries (you can try the limited wasm version online). Currently adding a full CPython test suite benchmark. Just for fun, not trying to replace CPython here. Mainly to test the limits of current coding agents.

How are you managing such large contexts? Im pretty sure entire codebase is not fitting in one prompt..

Re: Ask HN: What Are You Working On? (March 2026)

#867
I was auditing my Claude Desktop config and realized my GitHub, Linear, and Notion API keys were sitting in plaintext in ~/.config/claude/claude_desktop_config.json

Anyone with read access to that file (malicious MCP server, compromised dependency, RCE) gets all your keys instantly.

MCPGuard fixes this: it scans your MCP configs, detects plaintext credentials, and migrates them to your OS keychain (macOS Keychain, Linux SecretService, Windows Credential Manager).

  $ mcpguard audit   # finds exposed keys
  $ mcpguard migrate # moves them to OS keychain
Your config file then has vault references instead of real keys. The credentials never touch disk again.

npm: npm install -g mcpguard-cli

Re: Ask HN: What Are You Working On? (March 2026)

#868

Well, I just jumped full time on IronCalc[1] a fully open source, light and fast spreadsheet engine designed and build from the ground up. I have been working on it as side project for over two years and now, with funding from the EU for the next 2.5 years, I hope I can make of it a real product for everyone to use that can compete with the likes of Excel and Googl;e Sheets. I can oly say, I am overly, off the Moon e…

Looking at it and very excited. In unsupported features, charting is mentioned. Could there be any value in not directly implementing the drawing of charts, but tie in to other open source library? Just curious of your thinking.
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