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Posts by David Fowler

Agents can write code all day, but running and iterating on it? Different story🫠

Aspire 13.2 adds structure and a real feedback loop for agents with code, not Markdown.

@maddy.fm is here to share how Aspire gives your agent some bumpers 🎳

🔗 devblogs.microsoft.com/aspire/agent...

14 hours ago 10 7 0 0

Update the app to 13.2.

6 days ago 3 0 1 0
Keynote: Come Meet the New Aspire - Aspire Conf 2026
Keynote: Come Meet the New Aspire - Aspire Conf 2026 Come meet the new Aspire. Discover how Aspire can transform the way you build and deploy your distributed apps and agents. With code-centric control, orchestrate and observe simple or complex systems…

🎥 Now (re)playing on YouTube - the #AspireConf 2026 Keynote! Come meet the new Aspire with @damianedwards.com, @davidfowl.com, and @maddy.fm.

youtu.be/6uGwVUWtWss

#aspiredev #typescript #python #dotnet #githubcopilot #agenticdev

1 week ago 6 2 0 1
Aspire Conf starting soon 9AM PT

Aspire Conf starting soon 9AM PT

🎉 Starting soon! #AspireConf 2026 kicks off in just 1 hour 💫
Join us at 9AM PT to learn all the amazing new things you can do with Aspire.
Join us LIVE: conf.aspire.dev?cid=aspireco...
Follow the conversation: #AspireDev #AspireConf

2 weeks ago 5 3 0 1

Automating things outside of the workspace. I don’t need vscode when I’m automating end to end testing or any other non coding scenarios.

It also forces an agent first mindset since you’re not constantly looking at other context

3 weeks ago 10 4 3 0

It’s a good question. I asked one of the principal engineers to reply to your question on Reddit

3 weeks ago 2 1 0 0
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GitHub - davidfowl/aspire-ssh-deploy: An extension of the docker compose integration for deploying to a docker host via SSH An extension of the docker compose integration for deploying to a docker host via SSH - davidfowl/aspire-ssh-deploy

L'estensione di David Fowler @davidfowl.com per Aspire è davvero interessante per chi deve fare deploy su Docker. Può semplificare notevolmente il processo di distribuzione su server remoti.

github.com/davidfowl/as...

#aspire #dotnet #docker

1 month ago 2 1 0 0
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Feature: WithDockerContainer() for isolated terminal testing · Issue #214 · mitchdenny/hex1b Problem When using Hex1b for CLI end-to-end testing (e.g. the Aspire CLI E2E tests), tests run directly on the host via WithPtyProcess("/bin/bash", ...). This means tests share the host filesystem,...

Just shipped an update to #hex1b today which adds a `WithDockerContainer` API to Hex1bTerminaBuilder. The idea is that you attach a running container to your terminal to help with test isolation. Works fairly well although not very visual. Was @davidfowl.com's idea.

github.com/mitchdenny/h...

1 month ago 3 1 0 0
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Aspire—Your Stack, Streamlined Aspire streamlines your development workflow with code-first control, modularity, and observability for distributed applications.

Aspire Conf - March 23, 2026 aspire.dev/aspireconf/

#aspire #dotnet

1 month ago 5 5 0 0

You can use any model you like, it’s not built into the tool.

1 month ago 4 0 0 0
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Tally - Let AI Classify Your Transactions

I built a thing: tallyai.money

I wanted a fully offline way to track spending. Mint was fine, but categorizing transactions was always the worst part.

There are really two problems:

1. Getting transaction data (hard)
2. Categorizing it the way you actually think about money (medium)

3 months ago 36 1 3 1
Aspire Conf Save the Date poster - March 23, 9:00 PST. Learn how Aspire can transform the way you build and deploy your distributed apps and agents. Free, livestream event on YouTube & Twitch

Aspire Conf Save the Date poster - March 23, 9:00 PST. Learn how Aspire can transform the way you build and deploy your distributed apps and agents. Free, livestream event on YouTube & Twitch

📣 It's happening! 📣 Come meet the new Aspire at #AspireConf on March 23. Join our livestream at 9am PT for a packed day of sessions for all developers, no matter your skill, language, or stack.

Save the date: aspire.dev/aspireconf?c...

#Python #TypeScript #JavaScript #dotnet #AI #AspireDev

1 month ago 27 18 0 3
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Aspire

if you aren’t subscribed to youtube.com/@aspiredotdev, now would be a good time, because @davidfowl.com is on vacation so @damianedwards.com and @maddymontaquila.net will be going rogue in a little bit 😈

1 month ago 6 3 0 2
Video

I just shared with the rest of the @aspire.dev team a proof of concept for a TUI interface in the Aspire CLI. It is built with #Hex1b using a few features that I've been cooking over the weekend. This specific UX might not make it but it shows you what is possible.

1 month ago 10 1 1 0

You can use WithEnvironment to set configuration values using the format expected for IConfiguration (Prefix___Value)

2 months ago 1 0 1 0

After 7 years, my time at Microsoft has come to a close.

I grew from a green dev into a bonafide engineer, shipped work I’m proud of, and learned what it takes to build software that lasts from amazing people.

Taking a short breather then on to the next adventure! 🚀

2 months ago 96 1 22 0

File an issue I’ll do it

2 months ago 0 0 0 0
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Tally - AI-Powered Transaction Classification Tool Automatically categorize bank transactions with AI. Works with Claude, Copilot, and Codex. Open source, local-first, no cloud required.

shout out to @davidfowl.com who gave me the idea of tallyai.money but for blood sugar!

2 months ago 13 1 0 0

back on our bullshit 🫶🏼 @davidfowl.com @damianedwards.com

2 months ago 4 1 0 0

Funny initially it was just bank and credit card but then @damianedwards.com put everything in there (brokerage, mortgage etc) and pushed it to the limit!

2 months ago 4 0 2 0
Tally – A tool to help agents classify your bank transactions | Hacker News

This is peak AI and peak tech bro. The comments on this hacker news thread about distinguished engineer David Fowler's excellent tool for classifying bank transactions. "I could do this with a fifty line Python script." or...

2 months ago 69 7 9 0

Taken to the logical conclusion we should not build any software that can’t run on corp machines

3 months ago 1 0 1 0

Personal projects don’t need to run in corp

3 months ago 1 0 1 0
Video

Check it out!

3 months ago 6 0 1 0
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This is built for agents, not humans. It’s meant to live inside an agent loop and grind through transaction categories.

Give it a shot if the problem speaks to you! This is a fully vibe coded christmas project 😅.

3 months ago 1 0 1 0

LLMs finally make the second problem tractable. I could use the them to facilitate the manual steps I had been doing before, it just needed a way to represent the rules that I cared about.

3 months ago 1 0 1 0
Tally - Let AI Classify Your Transactions

I built a thing: tallyai.money

I wanted a fully offline way to track spending. Mint was fine, but categorizing transactions was always the worst part.

There are really two problems:

1. Getting transaction data (hard)
2. Categorizing it the way you actually think about money (medium)

3 months ago 36 1 3 1
separate parameters tab onn the aspire dashboard

separate parameters tab onn the aspire dashboard

day 2 of vacation but had to sneak this in for 13.1 - parameters finally will have their own page 😈 #aspire assuming @james.newtonking.com doesnt find a million things wrong with it when he wakes up LOL

3 months ago 18 3 3 0
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Aspire

When you’re done binging Stranger Things this holiday season🎄
Watch nerds struggle to build and deploy modern apps - live.

It’s long. It’s uncut.
Sometimes it’s a little unhinged.

And there’s always something to learn.
📺 AspiriFridays
👉 www.youtube.com/@aspiredotde...

3 months ago 13 4 0 0

We make breaking changes every release, but there are mostly related to preview APIs.

3 months ago 1 0 2 0