THE STARTUPWORKER DIRECTORY

The tools and know-how behind better work.

Discover the tools, AI skills, agents, and courses startup people actually put in their stacks.

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AI Tool · Research

Claude

Made by Anthropic

A thinking partner for research, analysis, writing, coding, and turning ideas into useful work.

Reviewed Aug 2026View →
AI Tool · Research

ChatGPT

Made by OpenAI

A general-purpose AI assistant for questions, drafting, problem solving, research, and multimodal work.

Reviewed Aug 2026View →
AI Tool · Software building

Cursor

Made by Anysphere

An AI code editor that can understand a codebase, propose edits, run commands, and work through development tasks.

Reviewed Aug 2026View →
AI Tool · Research

Perplexity

An AI-powered search engine that answers questions with links to the underlying web sources.

Reviewed Aug 2026View →
AI Tool · Prototyping

Figma AI

AI-assisted interface design for exploring layouts, editing content, finding assets, creating images, and producing interactive prototypes.

Reviewed Aug 2026View →
Skill · Extract video subtitles

Agent Reach

An installer and configuration skill that gives command-capable AI agents access to web pages, search, social platforms, video subtitles, GitHub, and RSS.

Reviewed Sep 2026View →
Skill · Implement incrementally

Agent Skills

A production-grade engineering skill library that organizes agent work across specification, planning, implementation, testing, review, and shipping.

Reviewed Sep 2026View →
Skill · Define approval gates

Agent-Native Architecture

A 15-area architecture checklist for systems where AI agents are primary actors, spanning tools, context, approvals, permissions, and auditability.

Reviewed Sep 2026View →
AI Agent · Prototyping

Base44

An AI app builder that turns natural-language prompts into working web apps with interface, data, logic, authentication, and hosting.

Reviewed Sep 2026View →
Course · Build machine-learning projects

CS50 Introduction to AI with Python

A project-based computer-science course covering search, knowledge, uncertainty, optimization, machine learning, neural networks, and language.

Reviewed Sep 2026View →
Course · Add tools to agents

Hugging Face Agents Course

A free hands-on course covering agent fundamentals, frameworks, agentic retrieval, observability, evaluation, and a final project.

Reviewed Sep 2026View →
Skill · Critique interface design

Impeccable

A frontend design skill with a shared design language, 24 commands, live browser iteration, and deterministic checks for common AI-generated UI problems.

Reviewed Sep 2026View →
Skill · Build a knowledge library

NotebookLM Skill

A local Claude Code skill for querying Google NotebookLM notebooks and returning source-grounded, citation-backed answers from uploaded material.

Reviewed Sep 2026View →
Skill · Develop with tests

Superpowers

A complete software-development methodology that makes coding agents clarify requirements, plan, test-drive changes, review work, and verify completion.

Reviewed Sep 2026View →
Skill · Avoid generic AI design

Taste Skill

An anti-slop frontend framework that gives AI coding agents stronger guidance for layout, typography, motion, spacing, redesigns, and visual references.

Reviewed Sep 2026View →
Skill · Assess change impact

Understand Anything

A multi-agent codebase analysis skill that turns files, functions, classes, dependencies, and business logic into an interactive knowledge graph.

Reviewed Sep 2026View →