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 · 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 →
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 · 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 · Analyze growth performance

Marketing Skills

A broad library of AI-agent workflows for conversion optimization, copywriting, SEO, analytics, paid acquisition, retention, sales enablement, and growth.

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 →