All Days
Day 6

Founder OS — 10 Must Have Claude Code Skills

curated by Walid Boulanouar

10 must have
Claude Code Skills

Drop into .claude/skills/ and never prompt the same thing twice. 5 built-in from the AY second brain, 5 from GitHub. All free. All open source.

10
skills
5
built-in
5
from github
free
all of them
01 / 10built-in

skill-creator

Build skills that build for you.

built-in
  • Write a markdown file. Define a trigger, steps, and tools. Claude follows it every session without repeating yourself.
  • Reusable across every project. One skill file, zero setup overhead, no deployment required.
  • 15 minutes to write. Saves hours every week. The more you build, the faster Claude works.
output preview
---
name: client-report
description: Weekly client update
---

## Trigger
"report for [client]"

## Steps
1. Read Progress.md
2. Read Comms-Log.md
3. Generate summary
4. Log to Attio

ready in 30 seconds
install.claude/skills/skill-creator/ # already in your second brain
02 / 10built-in

mcp-client

Connect Claude to any MCP server without killing context.

built-in
  • Loads tool schemas on demand. Not 2000 tokens upfront at session start. Context stays clean.
  • Works with Zapier, GitHub, n8n, filesystem, or any MCP server you configure. Scripts and reference configs included.
  • Three commands: servers / tools / call. Progressive disclosure by design.
terminal session
$ python mcp_client.py servers
zapier connected
github connected
n8n connected

$ python mcp_client.py tools zapier
847 tools available
gmail.send, sheets.append...

$ python mcp_client.py call
zapier gmail.send '{"to":"..."}'
sent.
installpip install mcp fastmcp
.claude/skills/mcp-client/ # scripts + references included
03 / 10built-in

artifacts-builder

Interactive dashboards shipped in one session.

built-in
  • React, Tailwind, shadcn/ui. Multi-component stateful apps with routing. Not single-file demos.
  • Built directly in claude.ai as artifacts. No code editor, no local environment needed.
  • Describe the interface. Claude builds it. Review and iterate without touching code.
artifact output
AY Automate Dashboard
Revenue$48,200
vs last month+12%
Active clients13
Pipeline€120K
React 18Tailwindshadcn/ui

built in 1 session
install.claude/skills/artifacts-builder/ # use in claude.ai sessions
04 / 10built-in

excalidraw-
diagram

Architecture diagrams from plain English.

built-in
  • Describe any workflow, agent system, or client architecture. Claude generates the diagram JSON.
  • Outputs a .excalidraw file plus a PNG render via Playwright. Ready for client deliverables.
  • Hand-drawn style. Looks human. Used in proposals, SOPs, and engineering documentation.
"draw my onboarding flow"
Lead comes in
|
Discovery call
|
Proposal sent
|
Signed
|
Kickoff
Build
Handoff
exported: onboarding.excalidraw + onboarding.png
install.claude/skills/excalidraw-diagram/ # requires playwright
05 / 10built-in

remotion

Programmatic video creation with React.

built-in
  • Animations, captions, audio, 3D. All in code. No timeline editor, no manual keyframing.
  • Parametrizable videos with Zod schemas. One composition, infinite variations.
  • With this skill active, Claude writes correct Remotion code every time. No trial and error on API surface.
render output
$ npx remotion render

Composition: ClientStory
Duration: 45s @ 30fps
Resolution: 1920 x 1080

Rendering frame 1/1350...
Rendering frame 1350/1350...

Output: client-story.mp4
LinkedIn-ready. 45 seconds.
install.claude/skills/remotion/ # github.com/remotion-dev/skills
06 / 10github

ui-ux-pro-max

161 design rules. Zero generic output.

  • Industry-specific rules for SaaS, fintech, e-commerce, healthcare. Applied automatically before Claude writes a line of CSS.
  • 67 UI styles: glassmorphism, bento grid, AI-native, brutalist, neumorphism. Claude picks and executes with precision.
  • 57 font pairings and 161 color palettes. Full support for React, Vue, Flutter, SwiftUI.
design system output
Style: AI-native SaaS
Industry: Fintech

Fonts:
display: Space Grotesk
body: DM Sans

Palette:
Rules applied: 23 / 161
Button, Card, Input, Nav, Hero

system ready
installnpm install -g uipro-cli
uipro init --ai claude
07 / 10github

notebooklm

Query your docs. Zero hallucinations.

  • Source-grounded answers exclusively from your uploaded documents. Every answer ties back to a source.
  • Manages multiple notebooks with persistent browser authentication. Auto follow-up loop until the answer is complete.
  • Always use the run.py wrapper. Handles venv, dependencies, and Chromium automatically on first run.
Q&A session
Q: "What does our proposal include?"

A: Based on your documents:
Section 3 covers pricing tiers
ROI calculator on page 12
3 service options defined

Sources:
[Proposal-2026.pdf, p.3]
[Proposal-2026.pdf, p.12]

0 hallucinations
installgit clone https://github.com/PleasePrompto/notebooklm-skill ~/.claude/skills/notebooklm
08 / 10github

claude-seo

Full SEO audits with 13 sub-skills and 6 subagents.

  • Technical SEO, Core Web Vitals (LCP, INP, CLS), E-E-A-T scoring, and schema markup in one command.
  • AI search optimization for Google AI Overviews, ChatGPT, and Perplexity. Built for 2026.
  • DataForSEO MCP with 22 commands across 9 API modules. Integrates Ahrefs, Semrush, GSC.
audit output
Site: ayautomate.com
Core Web Vitals: PASS
Technical SEO: 94 / 100
E-E-A-T Score: 87 / 100
Schema: 3 issues
AI Search: 2 gaps
12 recommendations generated
Priority: HIGH on 4 items

report ready
installcurl -fsSL https://raw.githubusercontent.com/AgriciDaniel/claude-seo/main/install.sh | bash # Python 3.8+
09 / 10github

agent-browser

Control any browser interface. No API needed.

  • Ref-based element targeting. Snapshot returns stable @e1, @e2 refs. Deterministic, agent-friendly, no flaky selectors.
  • Click, fill, scroll, upload, drag, intercept network requests. Parallel sessions with persistent cookie and auth state.
  • Swap to Browserbase, Browser Use, or Kernel cloud providers with a single flag. 14K GitHub stars.
browser session
$ agent-browser open example.com
$ agent-browser snapshot -i --json

@e1 [nav] Home
@e2 [nav] Pricing
@e3 [button] Sign Up
@e4 [input] Email field

$ agent-browser fill @e4 "walid@ayautomate.com"
$ agent-browser click @e3

done.
installnpm install -g agent-browser
agent-browser install # downloads Chromium
10 / 10github

superpowers

Brainstorm to merged PR, fully automated.

  • Structured agentic dev loop: brainstorm, design spec, git worktree, subagent tasks, two-stage code review, merge.
  • Subagents dispatched per task with spec compliance check first, code quality check second. Claude runs for hours without deviating.
  • Enforces TDD: RED-GREEN-REFACTOR. No code before a failing test exists. 40.9K GitHub stars.
workflow execution
brainstorm approved
spec doc saved
worktree created
Tasks dispatched:
agent-1: build API endpoints
agent-2: build UI components
agent-3: write test suite
Review: PASS (2-stage)

PR ready to merge
installgit clone https://github.com/obra/superpowers ~/.claude/skills/superpowers # or Claude Code plugin marketplace

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