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Show HN: Slack killed their OpenAPI spec, so we reverse engineered it

https://github.com/connectstrata/slack-openapi-generator
4•jmclai•1h ago

Comments

jmclai•1h ago
Hey HN,

At https://connectstrata.com/ we're using OpenAPI specs a bit differently than most. Rather than using them to build client libraries, we're feeding them to agents that generate automations and data pipelines across SaaS APIs. As you would imagine, SOTA models are great at generating these transformations, so the challenge becomes maintaining accurate and up-to-date schemas. When API providers don't make a schema available, scraping one from documentation works but it's unreliable and requires a lot of validation.

We're experimenting with generating OpenAPI specs by parsing Typescript SDK abstract syntax trees and converting the types to JSON Schema definitions. This is tricky because the JSON Schema specification isn't a data definition language, it's primarily intended for validation use cases. Things like class hierarchies and generics are difficult to translate.

The process worked well for Slack, so we wanted to make the spec available for anyone to use. We've been propelled along by plenty of community-maintained specs on github.

If you've done any work generating OpenAPI or JSON Schema specs from non-source code sources I'd love to hear about it!

Metatextual Literacy

https://www.jenn.site/metatextual-literacy/
1•dado3212•1m ago•0 comments

Quitting my job to research AI software design

https://jamestimmins.com/p/quitting-my-job-to-research-ai-software-design/
1•jamestimmins•2m ago•0 comments

Turning a Chinese IoT camera into an owl livestream

https://blog.alexbeals.com/posts/owl-cam
1•dado3212•2m ago•0 comments

Jury Finds Live Nation Acts as a Monopoly in a Victory for States

https://www.nytimes.com/2026/04/15/arts/music/live-nation-antitrust-trial-verdict-monopoly.html
1•gbourne1•3m ago•0 comments

SDK to make any chatbot proactive real-time

https://developers.autoplay.ai/quickstart
1•AutoplayAI•3m ago•1 comments

Anthropic Revises Claude Enterprise Pricing Structure

https://letsdatascience.com/news/anthropic-revises-claude-enterprise-pricing-structure-f3022a32
1•rpcope1•3m ago•0 comments

Show HN: I Made a TradingView Alternative (Local and LLM) [video]

https://www.youtube.com/watch?v=IHY4MLH8PoU
1•AlexBThomsen•5m ago•0 comments

Google Launches Native Gemini AI App for Mac

https://www.macrumors.com/2026/04/15/google-gemini-mac-app/
2•tosh•7m ago•0 comments

Ticketmaster is an illegal monopoly, jury rules

https://www.theverge.com/policy/912689/live-nation-ticketmaster-antitrust-monopoly-trial-verdict
4•speckx•8m ago•0 comments

I analyzed the $60B Treasury Judgment Fund – 2020 was 10x a normal year

https://settlementinsight.com/research/federal-government-payments
1•govledger•9m ago•1 comments

Is Woody Brown the Author of His Novel?

https://www.theatlantic.com/books/2026/04/who-really-wrote-autistic-author-woody-brown-novel/686814/
1•paulpauper•9m ago•0 comments

We rebuilt a mobile app from scratch. What it means for work with AI

https://www.slash.com/engineering/blog/new-mobile-app
3•kevinbai0•10m ago•0 comments

Plain Text Accounting and Financial Reporting

https://ztoz.blog/posts/plaintext-accounting-reporting/
2•ingve•10m ago•0 comments

Live Nation Illegally Monopolized Ticketing Market, Jury Finds

https://www.bloomberg.com/news/articles/2026-04-15/live-nation-illegally-monopolized-ticketing-ma...
12•Alex_Bond•13m ago•0 comments

Cinematic Motion, Stuttery Motion, and the Soap Opera Effect

https://www.rtings.com/tv/learn/research/motion-handling
2•dgroshev•15m ago•0 comments

Show HN: BPR – deriving 87 physical constants from 2 integers (MIT, 1,225 tests)

https://github.com/jackalkahwati/BPR-Math-ine
2•iq19zero•15m ago•0 comments

The Bra-and-Girdle Maker That Fashioned the Impossible for NASA

https://nautil.us/the-bra-and-girdle-maker-that-fashioned-the-impossible-for-nasa-1279841
2•Brajeshwar•16m ago•0 comments

I wrote a open source iMessage for your AI agents

https://github.com/Potarix/agent-hub
2•YoungGato•16m ago•1 comments

The Internet Is a Place

https://catskull.net/the-internet-is-a-vast-place.html
2•speckx•18m ago•0 comments

Don't Use A.I. To Do This

https://www.nytimes.com/2026/04/15/opinion/art-artificial-intelligence.html
2•js2•18m ago•1 comments

Interval-Aware Caching for Druid at Netflix Scale

https://netflixtechblog.com/stop-answering-the-same-question-twice-interval-aware-caching-for-dru...
3•wb14123•19m ago•0 comments

AI Could Democratize One of Techs Most Valuable Resources

https://www.wired.com/story/ai-could-democratize-one-of-techs-most-valuable-resources/
3•technoabsurdist•20m ago•0 comments

Meta commits to 1 GW with Broadcom, Hock Tan to leave board

https://www.cnbc.com/2026/04/14/meta-commits-to-one-gigawatt-of-custom-chips-with-broadcom-as-hoc...
3•gmays•20m ago•0 comments

Ask HN: Sanity-check my numbers on EVs and solar power

2•zahlman•20m ago•1 comments

H.R.8250 – To require operating system providers to verify the age of any user

https://www.congress.gov/bill/119th-congress/house-bill/8250
4•Cyclone_•20m ago•0 comments

Show HN: Lookas – Terminal audio visualizer that's aligned for human perception

https://github.com/rccyx/lookas
2•rccyx•27m ago•1 comments

Node.js bindings for Nvidia cuVS > GPU-accelerated vector search

https://github.com/638Labs/cuvs-node
2•gmatt•27m ago•1 comments

A Survey of Workflow Optimization for LLM Agents

https://arxiv.org/abs/2603.22386
2•PaulHoule•27m ago•0 comments

Intel Desk – a live geopolitical and market desk with replayable source chains

https://www.inteldesk.app/
2•wudwerd01•27m ago•0 comments

Taxpayers to spend $477B on tax season

https://www.thecentersquare.com/national/article_27a78f27-ea2a-4adc-809a-aa77befdb3ff.html
2•speckx•29m ago•1 comments