Hacker News with Generative AI: YC

Launch HN: Double (YC W24) – Index Investing with 0% Expense Ratios (ycombinator.com)
Hi HN, we’re JJ and Mark, the founders of Double (https://double.finance). Double lets you invest in 50+ broad stock market indexes with 0% expense ratios.
Show HN: OpenInt (YC W23) Open-Source iPaaS to Ship Product Integrations Quickly (github.com/openintegrations)
OpenInt is an open-source integration platform as a service (iPaaS) that helps you ship product integrations in hours, not weeks.
Launch HN: Parsagon (YC W21) – AI for public affairs and government relations (ycombinator.com)
Hi HN! I’m Sandy, and I’m excited to introduce Parsagon. Parsagon is using AI to automate workflows for government affairs professionals, starting with an AI search for public policy. Here's a demo: https://parsagon.io/explore-search
Resend (YC W23) raises $18M Series A (resend.com)
Resend just raised a $18M Series A led by Andreessen Horowitz.
Launch HN: Human Layer (YC F24) – Human-in-the-Loop API for AI Systems (ycombinator.com)
Hey HN! I'm Dex, building HumanLayer (https://humanlayer.dev), an API that lets AI agents contact humans for feedback, input, and approvals. We enable safe deployment of autonomous/headless AI systems in production. You can try it with our Python or TypeScript SDKs and start using it immediately with a free trial. We have a free tier and transparent usage-based pricing. Here’s a demo: https://youtu.be/5sbN8rh_S5Q?t=51
Launch HN: Fresco (YC F24) – AI Copilot for Construction Superintendents (ycombinator.com)
Hi HN! We're Arvind and Akhil, and we're building Fresco (https://fresco-ai.com/). We use AI to quickly create and manage documentation for construction superintendents.
Launch HN: Regatta Storage (YC F24) – Turn S3 into a local-like, POSIX cloud FS (ycombinator.com)
Hey HN, I’m Hunter the founder of Regatta Storage (https://regattastorage.com). Regatta Storage is a new cloud file system that provides unlimited pay-as-you-go capacity, local-like performance, and automatic synchronization to S3-compatible storage. For example, you can use Regatta to instantly access massive data sets in S3 with Spark, Pytorch, or pandas without paying for large, local disks or waiting for the data to download.
Launch HN: Integuru (YC W24) – Reverse-engineer internal APIs using LLMs (github.com/Integuru-AI)
An AI agent that generates integration code by reverse-engineering platforms' internal APIs.
Launch HN: Inkeep (YC W23) – Copilot for Support (think Cursor for help desks) (ycombinator.com)
Hi HN, We’re Nick and Robert, founders of Inkeep (https://inkeep.com). We help companies turn their content into AI support copilots.
Launch HN: Haystack (YC S24) – Visualize and edit code on an infinite canvas (github.com/haystackeditor)
This repository ("Haystack Editor") is where we (Haystack Software) develop the Haystack Editor product together with the community.
Launch HN: Panora (YC S24) – Data Integration API for LLMs (github.com/panoratech)
A single API to add dozens of integrations into your product
Ask HN: What is the reason YC switched to 4 batches? (ycombinator.com)
I can't help myself but think that some fundamentals changed over the past 2-3 years in the software space.
Launch HN: Marblism (YC W24) – Generate full-stack web apps from a prompt (ycombinator.com)
Launch HN: Maitai (YC S24) – Self-Optimizing LLM Platform (ycombinator.com)
Hey HN - this is Christian and Ian from Maitai ( [https://trymaitai.ai](https://trymaitai.ai)). We're building an LLM platform that optimizes request routing, autocorrects bad responses, and automatically fine-tunes new application-specific models with incremental improvements.
Launch HN: Fortress (YC S24) – Database platform for multi-tenant SaaS (ycombinator.com)
Launch HN: Patchwork (YC S24) – Automatically add structured logs to your code (ycombinator.com)
Launch HN: Bucket Robotics (YC S24) – Defect detection for molded and cast parts (ycombinator.com)
Ask HN: Share your idea that you feel would never be picked by YC? (ycombinator.com)
Launch HN: Parity (YC S24) – AI for on-call engineers working with Kubernetes (ycombinator.com)
Launch HN: Moonglow (YC S24) – Serverless Jupyter Notebooks (ycombinator.com)
Launch HN: AnswerGrid (YC S24) – Web research tool for lead generation (ycombinator.com)
Launch HN: Outerport (YC S24) – Instant hot-swapping for AI model weights (ycombinator.com)
Launch HN: MinusX (YC S24) – AI assistant for data tools like Jupyter/Metabase (ycombinator.com)
Launch HN: Manaflow (YC S24) – Automate repetitive office work in tables (ycombinator.com)
Launch HN: Hamming (YC S24) – Automated Testing for Voice Agents (ycombinator.com)
Launch HN: Promi (YC S24) – AI-powered ecommerce discounts (ycombinator.com)
Launch HN: Shaped (YC W22) – AI-Powered Recommendations and Search (ycombinator.com)
Launch HN: Synnax (YC S24) – Unified hardware control and sensor data streaming (ycombinator.com)
Launch HN: Roe AI (YC W24) – AI-powered data warehouse to query multimodal data (ycombinator.com)
Launch HN: Stack Auth (YC S24) – An Open-Source Auth0/Clerk Alternative (github.com/stack-auth)