AWS emulator

super_linear

Related to this post: https://www.aboutamazon.com/news/aws/how-autonomous-ai-agent...

CharlieDigital

Skeptical of using because it's not clear whether this was just an exercise or a real product they are going to ship and maintain. Floci[0] has been great for me. Use the Testcontainers[1], too. Bonus: works for GCP and Azure, too (so far have only used in limited capacity, though). [0] https://floci.io/ [1] https://testcontainers.com/modules/floci/

sebmellen

RIP LocalStack… can’t say I’d be unhappy to see it go though.

tptacek

The title for this story should be "aws-emulator, from AWS".

stuff4ben

Wonder if this could be considered a replacement for Ministack which itself was a vibe-code replacement of Localstack?

tonymet

A mere 20 years too late. Now it’s faster to have AI mock your APIs for you. AI has been a boon for test coverage.

gateauxd

Excited to see this develop and be a free replacement to localstack / similar providers.

BorisMelnik

ok who's gonna build the GUI / web console on top of it?

swiftcoder

I guess they didn't decide this was worth it till they needed it to train an LLM, huh? Not like everyone (inside and outside of AWS) has needed such a test harness for years...

forgotpwd16

~30K commits in 3w; quality software for sure. Is someone trying to get promotion by tokenmaxxing? Ironic or unlucky coincidence or competitor(s) misdirection, that, only 2w ago, Amazon published memo discouraging AI abuse?

cxr

No idea why there's so much of this lately, but there are way too many editorialized submission titles hitting the front page recently. Please stop doing this. < https://news.ycombinator.com/newsguidelines.html >

paavohtl

Looks like this was ~100% generated with Claude within the past month. Interestingly it still has a lot of occurrences of words that Opus used way too much pre 5.5, so maybe they're not using the latest models. https://github.com/search?q=repo%3Aaws%2Faws-emulator+load-b... https://github.com/search?q=repo%3Aaws%2Faws-emulator+%2Fno+... https://github.com/search?q=repo%3Aaws%2Faws-emulator+golden...

morelandjs

Fellow Amazonian here. Want to say that I’m grateful you built this and it has tremendous value if pulled off well and properly maintained. Agentic development is all about closing off a system as much possible, then mocking up or simulating any inputs or dependencies that cannot be closed off. At that point, you let Claude crawl over the system and do its thing. This inevitably runs into problems with infrastructure and any tools that help mock up those interfaces will be tremendously valuable. Thank you!

gosen

Do I need to get certified to use it?

hbcdbff

> its “things-that-do-not-work” folder holds the issues describing behaviors the agents found that do not yet match real AWS. Claudeslop snuck in at the very end

ggcr

Will it be maintained? Or was it more of a toy-project for its large scale agentic blogpost? [0] [0] https://www.aboutamazon.com/news/aws/how-autonomous-ai-agent...

varispeed

Just a little bit more to keep you hooked. You should do your best to stay away from these parasites. Especially if they don't respect your country and your people by not paying the right amount of tax.

ChrisArchitect

Official post https://www.aboutamazon.com/news/aws/how-autonomous-ai-agent... ( https://news.ycombinator.com/item?id=50456319 )

Waterluvian

If I understand this correctly, it means I can point my entire CDK project to the emulator and test a `cdk deploy`? I'm curious just how realistic the "internal" behaviour is emulated. It's been a while (since I got my stack working and I just don't like touching it now...), but I recall it being a real pain that sometimes odd, sometimes inconsistent things happened with setup and teardown (even through Terraform), which led to long timeouts if you did things in the wrong (but seemingly valid) order.