How we built a complete financial product in 3 weeks from 0

Claude Code is Anthropic’s powerful agentic coding assistant, designed for high-velocity development. It operates natively within your terminal, IDE (VS Code, JetBrains), or via a web interface, allowing you to delegate complex tasks like feature building, bug fixing, and codebase navigation. The agent plans, edits files, executes commands, and creates commits, maintaining awareness of your entire project structure. Internally, Anthropic engineers using Claude Code reported a 67% increase in productivity, demonstrating its capacity to deliver significant gains for Pro and Max plan users.

Codex is the advanced, cloud-based software engineering agent from OpenAI, built on a specialized model like `codex-1` (a fine-tuned version of `o3`). It operates on an asynchronous delegation model, allowing developers to assign complete tasks—not just receive suggestions—via the ChatGPT interface. The agent works independently in a secure, isolated cloud container provisioned with the user's GitHub repository and environment. It reads code, writes new features, fixes bugs, runs tests, and drafts Pull Requests (PRs) for review, significantly accelerating the development lifecycle. Access is provided through ChatGPT Plus, Pro, and Enterprise plans.

Google Sheets is your cloud-native spreadsheet solution: designed for simultaneous, real-time collaboration. Teams can co-edit files instantly, eliminating version control issues. Utilize over 400 functions and formulas for powerful data manipulation (e.g., `VLOOKUP`, `QUERY`). Integrate directly with Google Workspace (Drive, Docs) and enterprise data sources like BigQuery/Looker for large-scale data analysis, all accessible via a simple web browser or mobile app. This platform ensures your operation runs on current, shared data: maximizing efficiency and minimizing data silos.

Zensei integrates directly with top-tier wearables (Oura, Whoop, Garmin) to transform fragmented biometric data into a single, actionable health score. The engine tracks 50+ distinct markers: including HRV, blood glucose, and REM cycles: to deliver precise interventions for metabolic health. Most users optimize their recovery capacity by 15% within the first month by executing the platform’s daily AI-driven protocols.

TanStack Start evolves TanStack Router into a robust full-stack framework. It ships with native support for TanStack Query (React Query) and TanStack Form to handle complex state. The system guarantees 100% type safety from the server to the client: eliminating common runtime errors during data fetching. Key features include built-in SSR (Server-Side Rendering), streaming, and hydration. By utilizing Server Functions (via the 'use server' directive), it removes the friction of manual API route management. This setup provides a streamlined path for building high-performance React apps with deep routing requirements.

This is Effect AI (The Effect Network), a decentralized P2P network built for high-demand AI tasks. We’ve unified people, models, and compute into a single capability network for scalable, real-time AI execution. The protocol utilizes three core elements: The Effect Worker (for human-driven tasks and low-friction payouts), The Effect Staking (for securing the network and sharing protocol rewards), and a decentralized AI marketplace for models and compute. Our focus is on unlocking composable AI infrastructure, ensuring a secure, transparent, and efficient system for all participants: build, earn, and scale with EFFECT.

TanStack is a powerful, open-source ecosystem of framework-agnostic libraries designed to solve complex frontend challenges like data fetching, routing, and UI rendering . Key tools include TanStack Query for efficient server-state management and caching, TanStack Router for 100% type-safe routing, and TanStack Table for headless, high-performance datagrids . The core philosophy emphasizes composable, type-safe primitives, allowing developers to adopt tools incrementally across popular frameworks like React, Vue, Solid, and Svelte without vendor lock-in .