Ai agents

Long-horizon agent runs fail for structural reasons, not intelligence reasons. Here is what actually holds a multi-hour agent workflow together: a written success contract, separated discovery and delivery phases, persistent state outside the context window, external test oracles, checkpoints, and hard limits on autonomy.

We pulled every company in YC's Summer 2026, Fall 2026, and Winter 2027 batches from the official directory and classified all 208 of them. Here are the real themes, the numbers behind them, and how they compare to YC's own Requests for Startups.

Cloudflare shipped Kitesurf, a browser engine written from scratch to run in V8 isolates on Workers instead of Chromium. Here's how it works, the real CPU and memory numbers, what it still can't do, and how to point it at an app running on your own machine.

Where AI and connectors actually work in ecommerce bookkeeping, what a human bookkeeper still has to own, what each layer costs in 2026, and how to run the hybrid model without dropping exceptions.

Google has launched an official open-source skills repository for AI agents at Cloud Next 2026. Learn what agent skills are, how the google/skills GitHub repo works, and how to use the cloud skills and Gemini API Docs MCP in your AI coding workflow.

Learn how to share a localhost MCP server using Pinggy. This guide covers Streamable HTTP MCP servers, public HTTPS tunnels, testing, authentication, and practical security tips.

Learn how to install and self-host Langflow locally using pip, uv, or Docker, and make it remotely accessible from anywhere using Pinggy. Build and deploy custom AI agents without cloud lock-in.

Discover the best AI agents for marketing in 2026. Compare Jasper AI, HubSpot Breeze, Albert AI, Persado, Synthesia, Hootsuite, and more to automate content creation, ad campaigns, email marketing, and social media.

Discover what AI agent skills are, how they work, and the top 14 must-know skills for developers - including Grill Me, Caveman, TDD, and Graphify. Learn how to install and use skills in Claude Code, Cursor, Codex CLI, and other AI coding agents.

Discover how AI agents leverage Model Context Protocol (MCP) servers to automate complex workflows, integrate with enterprise systems, and transform traditional job roles across industries.