Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. OpenAI's documentation for Codex in the app, CLI, IDE and cloud, including how cloud tasks run after you close the laptop. learn.chatgpt.com Guide · How Founders Use AI Codex docs OpenAI
2. Cursor's own post on the acquisition, which explains why its cheaper plans centre on xAI's Grok models. cursor.com Article · How Founders Use AI Cursor is now a part of SpaceX Cursor
3. A ten-minute official walkthrough of the prompting loop: one outcome, success criteria, boundaries, test in Preview, then one... docs.replit.com Guide · How Founders Use AI Build your first app Replit
4. A free structured course on writing a product brief, building two apps and debugging with an agent. deeplearning.ai Course · How Founders Use AI Vibe Coding 101 with Replit DeepLearning.AI and Replit
5. A Google engineering lead's five principles: start from a short brief, let the agent draft the detail, plan in read-only mode... addyosmani.com Article · How Founders Use AI How to write a good spec for AI agents Addy Osmani
6. Shows the three files a working spec splits into: requirements with acceptance criteria, a design doc, and a task list you track. kiro.dev Guide · How Founders Use AI Specs (Kiro docs) Kiro (AWS)
7. The open format for a README written for coding agents: setup and test commands and code style, read by Codex, Copilot and others. agents.md Guide · How Founders Use AI AGENTS.md AGENTS.md
8. The official first session, step by step: install commands for Mac, Linux, WSL and Windows, signing in, a first question, a... code.claude.com Guide · How Founders Use AI Claude Code quickstart Anthropic
9. System requirements and the other install routes (Homebrew, WinGet, apt, dnf), plus how to fix a PATH that cannot find claude. code.claude.com Guide · How Founders Use AI Advanced setup Anthropic
10. Installing and using the VS Code extension for anyone who would rather not work in a bare terminal. code.claude.com Guide · How Founders Use AI Use Claude Code in VS Code Anthropic
11. A free course on steering long sessions with plan mode, writing a lean CLAUDE.md, and verifying what Claude did. anthropic.skilljar.com Course · How Founders Use AI Claude Code in Action Anthropic Academy
12. Google's explainer, with a table separating agents, assistants and bots by how much they decide on their own. cloud.google.com Article · How Founders Use AI What are AI agents? Google Cloud
13. A free course unit that explains an agent as a model that reasons, plans and acts through tools, with simple diagrams. huggingface.co Course · How Founders Use AI What are agents? (Hugging Face Agents Course) Hugging Face
14. $50 of free credits that last 7 days, then Team from $29.99 a month for 3,000 credits. lindy.ai Tool · How Founders Use AI Lindy pricing Lindy
15. The open-source Python library for building agents with tools, handoffs and guardrails once you are ready to write code. openai.github.io Guide · How Founders Use AI OpenAI Agents SDK OpenAI
16. The library behind Claude Code, for building your own agent that reads files, runs commands and uses MCP tools. code.claude.com Guide · How Founders Use AI Claude Agent SDK overview Anthropic
17. The specification itself, the source to read when you need exact behaviour. modelcontextprotocol.io Guide · How Founders Use AI MCP specification (2026-07-28) Model Context Protocol
18. How to add an MCP server to Claude, which plans allow it (Free users get one), and the security points to check first. support.claude.com Guide · How Founders Use AI Get started with custom connectors using remote MCP Anthropic
19. How OpenAI's models call remote MCP servers, showing the standard works across companies. developers.openai.com Guide · How Founders Use AI MCP and connectors (OpenAI API) OpenAI
20. The official directory of public MCP servers, the place to look before you build one. registry.modelcontextprotocol.io Tool · How Founders Use AI MCP Registry Model Context Protocol
21. Gamma's own account of each plan: Free with credits that do not refresh and up to 10 slides a prompt, Plus with 1,500 credits a... help.gamma.app Guide · How Founders Use AI Gamma plans: Free, Plus, Pro and Ultra Gamma
22. What uses credits (generating, AI edits, images) and what is free (editing by hand), and how a free account earns 200 credits... help.gamma.app Guide · How Founders Use AI How do credits work in Gamma? Gamma
23. Confirms Gamma takes UPI in India as well as cards, which matters when an international card is declined. help.gamma.app Guide · How Founders Use AI What payment methods does Gamma accept? Gamma
24. Go at $10.75 a month billed yearly for iPad and web, Pro at $33.25 with the desktop modeller and 2D documentation, and Studio... sketchup.trimble.com Tool · How Founders Use AI SketchUp plans and pricing Trimble

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