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Ask HN: What are you working on? (July 2025)

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Re: Ask HN: What are you working on? (July 2025)

#581

Post by kaspermarstal »

Jabbles wrote: post #274
kaspermarstal wrote: post #83

I'm continuing the work on Cellm, an Excel extension that let's you call LLMs in cell formulas like =PROMPT(A1, "Rate the sentiment of the customer feedback as positive, neutral, or negative"), and then drag the formula down to apply the same prompt to thousands of rows. I built it after my girlfriend had to manually classify 7,500 research papers. Cellm automates that kind of repetitive work. Since we added MCP and…

Like https://support.google.com/docs/answer/15820999?hl=en-GB ?

Yes exactly like that!

Re: Ask HN: What are you working on? (July 2025)

#582

Post by khazit »

I'm working on Simple Observability[0], a platform for monitoring servers (metrics and logs). Think of it as a super simple alternative to the Prometheus + Grafana + Loki stack, designed for teams who just want to know “is my server healthy?” without setting up and maintaining a full observability pipeline.

It uses a lightweight, open-source agent[1] that collects data and pushes it to the backend, so it works behind firewalls and doesn’t require any open ports or scraping setup. The goal is to get useful monitoring and alerting with minimal effort: one command install and a UI-based configuration.

[0] https://simpleobservability.com

[1] https://github.com/Simple-Observability/simob-agent

Re: Ask HN: What are you working on? (July 2025)

#583

Post by rantallion »

zikani_03 wrote: post #576

I'm working on pact[0], a tool to enable developers and hopefully less technical users to interact with Playwright and perform actions and tests on web-based user interfaces and applications using either a YAML file or a simple DSL (in a .pact file). Initially this started off as a feature for a PR on venom[1], an integration testing tool, but as I thought about it more - it made sense to maybe make a standalone tool…

Might be worth considering a different name before you get too big. There's already pact.io, which will be the first result any time anyone searches for pact testing.

Re: Ask HN: What are you working on? (July 2025)

#584

Post by jhunter1016 »

Still working on Orbiter[0], and open source web hosting solution focused on keeping things simple and helping developers avoid vendor lock-in.

We recently added serverless functions for backend support, specifically for the bhvr[1] stack though they work with just about anything.

[0] https://orbiter.host [1] https://bhvr.dev

Re: Ask HN: What are you working on? (July 2025)

#585

Post by kaspermarstal »

rrr_oh_man wrote: post #502
kaspermarstal wrote: post #83

I'm continuing the work on Cellm, an Excel extension that let's you call LLMs in cell formulas like =PROMPT(A1, "Rate the sentiment of the customer feedback as positive, neutral, or negative"), and then drag the formula down to apply the same prompt to thousands of rows. I built it after my girlfriend had to manually classify 7,500 research papers. Cellm automates that kind of repetitive work. Since we added MCP and…

Do you have paying users? I built something like that for Google Sheets in early 2024 and now I'm thinking whether I missed an opportunity.

No not yet, we are about to onboard the first users on the waitlist one-by-one and when we have ironed out the major issues that we will inevitably discover, we will open up for paid users after that.

I wouldn’t worry too much about missing out, as you probably very well aware, whatever you choose to work on takes incredible amounts of time and energy to get off the ground. Now you just have more time to out into something else :)

Re: Ask HN: What are you working on? (July 2025)

#586

Post by kaspermarstal »

incognito124 wrote: post #272
kaspermarstal wrote: post #83

I'm continuing the work on Cellm, an Excel extension that let's you call LLMs in cell formulas like =PROMPT(A1, "Rate the sentiment of the customer feedback as positive, neutral, or negative"), and then drag the formula down to apply the same prompt to thousands of rows. I built it after my girlfriend had to manually classify 7,500 research papers. Cellm automates that kind of repetitive work. Since we added MCP and…

That's a clever project name! :)

Cool, thanks!

Re: Ask HN: What are you working on? (July 2025)

#587

Post by kaspermarstal »

juxtaposicion wrote: post #376
kaspermarstal wrote: post #83

I'm continuing the work on Cellm, an Excel extension that let's you call LLMs in cell formulas like =PROMPT(A1, "Rate the sentiment of the customer feedback as positive, neutral, or negative"), and then drag the formula down to apply the same prompt to thousands of rows. I built it after my girlfriend had to manually classify 7,500 research papers. Cellm automates that kind of repetitive work. Since we added MCP and…

That’s pretty interesting. I’ve using Airtable’s “field agents” for a similar use case, but would love to use this instead. Does it automatically cache values? (Don’t want to pay for repeat prompts just because one input cell updated)

Yes it does, you can toggle it on and off. Send me an email at kasper at getcellm dot com or sign up to the waitlist on getcellm dot com and I will personally onboard you!

Re: Ask HN: What are you working on? (July 2025)

#588

Post by SupremumLimit »

I've just published https://nohypeai.dev to share what I've learned about the state of LLM agents for software development and help people who are just catching up orient themselves.

It was also important to me to provide a non-hyped, balanced view (hence the name), including pointing people to realistic assessments of the effectiveness of these tools and highlighting the risks and concerns.

Re: Ask HN: What are you working on? (July 2025)

#590

Post by kaspermarstal »

duskhat wrote: post #357
kaspermarstal wrote: post #83

I'm continuing the work on Cellm, an Excel extension that let's you call LLMs in cell formulas like =PROMPT(A1, "Rate the sentiment of the customer feedback as positive, neutral, or negative"), and then drag the formula down to apply the same prompt to thousands of rows. I built it after my girlfriend had to manually classify 7,500 research papers. Cellm automates that kind of repetitive work. Since we added MCP and…

Somewhat similar is https://paradigmai.com .

Looks very similar yes, it is a great UI paradigm for running many prompts. I think of spreadsheets as the OG low-code tool and with just a sprinkle of LLMs, people can do so much more with tools they already know
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