Tiago's Bookmarks

Dev Tools · stripe.dev

Meet Stripe's Knowledge AI Platform

Stripe's Knowledge AI Platform is our versatile AI agent platform built to handle diverse non-coding knowledge work, from quick queries to complex, multi-day projects. By connecting employees to over 1,000 internal tools and skills, it enables secure, enterprise-scale productivity across the organization.

Dev Tools · flaviocopes.com

A deep dive into pstack

pstack turns Cursor into a rigorous engineering workflow with playbooks, specialist skills, multi-model review, and runtime verification.

Cool Company Raises · $85.0M

Go.AI raises a $85.0M Series A round

Go.AI is a provider of an on-premises, examiner-ready AI infrastructure platform designed for regulated industries. The company enables institutions to deploy AI securely and compliantly within their existing systems. Their offerings include the Go1, an AI hardware and software solution, along with the Go.OS software operating system. Go.AI currently processes over 12.5 million queries daily across various sectors.

Cool Company Raises · $75.0M

Solcoa Industries raises a $75.0M round

Solcoa Industries is a rare earth metals producer based in Alameda, CA. Founded in 2025, the company develops halide-free chemistries, engineers processes, and builds and operates its own modular reactors. Solcoa's innovative processes are designed to produce zero harmful emissions including toxic fluoride gases. The company currently produces samarium and neodymium-praseodymium (NdPr) metal and is constructing a new plant in Nevada.

Cool Company Raises · $1.5B

Fireworks AI raises a $1.5B Series D round

Fireworks is the fastest way to build, tune, and scale AI on open models. Ship production-ready AI in seconds on our globally distributed cloud infrastructure, optimized for your use case. Fireworks powers production workloads at companies like Uber, Doordash, Notion, and Cursor—delivering 15× faster speed, 4× lower latency, and 4× more concurrency than closed models.

Cool Company Raises · $400.0M

Island raises a $400.0M round

What if the enterprise had complete control over the browser? What would it mean for security, for productivity, for work itself? Introducing Island, the Enterprise Browser - the ideal enterprise workplace, where work flows freely while remaining fundamentally secure. With the core needs of the enterprise naturally embedded in the browser itself, Island gives organizations complete control, visibility, and governance over the last mile, while delivering the same smooth Chromium-based browser experience users expect. Led by experienced leaders in enterprise security and browser technology and backed by leading venture funds -- Insight Partners, Sequoia Capital, Cyberstarts and Stripes Capital -- Island is redefining the future of work for some of the largest, most respected enterprises in the world.

Cool Company Raises · $6.7M

Dextr AI raises a $6.7M Seed round

Dextr AI is a hospitality-focused AI startup that develops and deploys AI agents for hotels, resorts, and spas. The platform handles voice AI, guest management, back-office operations, staff management, sales, and marketing. The company operates across the US and global hospitality markets, including India.

Cool Company Raises · $580.0M

Tekever raises a $580.0M Series D round

Tekever is a Portuguese-British maker of AI-powered unmanned aerial systems for defence and security surveillance, battle-tested in Ukraine and selected by the UK Ministry of Defence for the British Army's CORVUS surveillance programme. The first close of its $580M Series D, led by UC Investments and Baillie Gifford, values the company at $6.4B; funds go to global expansion, industrial capacity, R&D and acquisitions.

Cool Company Raises · YC F26

Pendulum Robotics launches at YC (Fall 2026)

Quick-turn, purpose-built motors & actuators for all

Cool Company Raises · YC F26

Elimentary launches at YC (Fall 2026)

Agents that run middle/back-office operations for Private Capital

Cool Company Raises · $8.0M

American Supercritical raises a $8.0M Pre-Seed round

American Supercritical is focused on advancing technology to commercialize supercritical CO2. The company aims to innovate the energy sector by improving efficiency in power generation. Their goal is to make the traditional simple cycle gas turbine obsolete. Through their technology, they seek to provide cleaner and more effective energy solutions.

Interesting · selltostate.com

Sell to State

AI-powered government procurement intelligence platform covering 194 countries.

Cool Company Raises · YC F26

Cyclon launches at YC (Fall 2026)

a phone where AI is the interface

Cool Company Raises · $21.0M

Spott raises a $21.0M Series A round

Spott is an AI-native recruiting platform aimed at transforming how recruitment agencies operate. The startup focuses on automating entire workflows to streamline daily operations and reduce reliance on outdated recruitment software. By offering an all-in-one solution, Spott allows recruiters to concentrate on making placements rather than managing fragmented tools. The founders bring valuable insights from their experiences at elite consulting firms to address challenges in the recruitment technology space.

Interesting · buchodi.com

ChatGPT now knows what you do on other websites via ad collector

OpenAI's ad collector at bzr.openai.com sets a cookie called __obi, scoped to .openai.com. The value is while you are on ChatGPT and tied to your ChatGPT account. __obi is then sent to OpenAI from ordinary websites you visit. Any company that buys ads on ChatGPT installs a small piece of OpenAI code on its own site, the same way retailers already install Meta and Google tracking code. Loading that code, sends __obi to OpenAI along with data about the page you are browsing. This includes product

Cool Company Raises · YC F26

Bryel launches at YC (Fall 2026)

Devin for AI Research Engineering

Cool Company Raises · YC F26

Grep AI launches at YC (Fall 2026)

AI agents that automate high-stakes knowledge work you can't afford…

Cool Company Raises · $30.0M

Catena Labs raises a $30.0M Series A round

Catena Labs is building the first AI-native financial institution to provide the financial infrastructure and services AI systems need to conduct commerce. We’re giving AI agents the tools to identify themselves and use money safely and efficiently. At the same time, we’re providing businesses and consumers a trusted, licensed financial partner with the capability to manage risk and compliance.

Cool Company Raises · $5.0M

Notes.fm raises a $5.0M round

Notes.fm is a music royalty collection platform designed to help independent artists and music companies identify and collect 100% of their royalties. Founded by Tim Luckow, Notes.fm aims to unify distribution and publishing, providing artists with full control over their earnings. The platform facilitates a streamlined process for royalty collection, ensuring artists do not miss out on their rightful income. Notes takes a flat monthly subscription fee, allowing artists to keep all their royalties.

Cool Company Raises · $100.0M

Rainmaker Technology Corporation raises a $100.0M Series B round

Rainmaker Technology Corporation is a next-generation cloud seeding company based in El Segundo, Calif. The company uses weather-resistant drones to produce additional freshwater via cloud seeding, validating its operations with proprietary radar and validation systems. Recently, Rainmaker became the first private company to validate cloud seeding operations, significantly impacting water production. The organization aims to address water scarcity and intends to expand its methodologies to other agricultural challenges.

Cool Company Raises · YC F26

GrayPass launches at YC (Fall 2026)

Verify that the expected person is in control before key actions.

Dev Tools · github.com

cloudflare/security-audit-skill: A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings

A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings - cloudflare/security-audit-skill

Interesting · danluu.com

There's no point at which turning your brain off will work

Cool Company Raises · YC F26

Faraday launches at YC (Fall 2026)

Industrial aOS between humans, agents, and robots