AI Skill Packs for Claude Code
Real SKILL.md files that make Claude Code dramatically better at actual work — not prompts in a folder. Writing, business, marketing, sales, operations — 33 categories, 296 skills, refined through multiple rounds of testing and shipped with lifetime updates.
New to Claude Code? Start with the complete guide →
"I hope this email finds you well. I wanted to reach out to discuss the possibility of potentially exploring a partnership opportunity that could be mutually beneficial for both our organisations. Please don't hesitate to reach out if you have any questions."
"Hi Sarah — I saw GreenGrid's case study with Tata Steel. We help manufacturers cut energy waste using AI monitoring. Would a 15-min call next week make sense to see if there's a fit?"
Same task. Same AI. Different skill loaded.
Skills that compound into workflows
One skill saves you the hours it took us to build, test, and refine it. The pillar around it makes the next task connect — so the value stacks instead of stopping at the file.
saved per skill, per use
Each skill encodes hours of prompt engineering, edge-case handling, and output structuring. You skip straight to results.
at typical consulting rates
A single well-crafted business proposal, strategy doc, or marketing campaign would cost 10× what the full library costs.
every skill, every version
Each skill goes through 3 automated improvement cycles with adversarial testing. You get the version we wouldn't be embarrassed to ship.
Without Skill Locker
- Spend 30 mins writing a prompt, get a generic output
- Iterate 4–5 times to get something usable
- Start from scratch every time for a new task
- No quality floor — results vary wildly
- You’re the prompt engineer, the editor, and the QA team
With Skill Locker
- Describe the task — the skill handles the structure
- First output is polished, structured, and specific
- 296 skills covering 33 domains, ready to go
- Built-in quality gates, edge-case handling, and output formats
- You focus on the work. Claude handles the craft.
The bet behind Skill Locker: a single skill should save you more time in a week than the whole library costs. Try the free ones and judge for yourself.
How it works
Skills are markdown files that give Claude Code new abilities. No code. No plugins. No API keys.
1. Browse the catalog
Every skill has its own page — what it does, when it triggers, an example. Read before you buy.
2. Buy the bundle
Pick a pillar, persona bundle, or the full stack. Instant access — no waiting.
3. Drop into Claude Code
Copy the SKILL.md into ~/.claude/skills/. One file per skill, takes 10 seconds.
4. Lifetime updates
Each skill keeps iterating — refined against new failure modes as they surface. Your purchase includes every future version.
# Copy a skill into Claude Code
cp prompt-sharpener/SKILL.md ~/.claude/skills/
# That's it. Claude now has it.
claude"sharpen this prompt for me"
→ Using Prompt Sharpener v1.3.0...
Find your stack
Not sure where to start? Pick your role — we've curated the right skills for how you actually work.
The Freelancer Stack
Win clients, deliver work, get paid
Everything a solo freelancer needs — from finding clients to delivering projects to managing your business.
The Agency Owner Stack
Scale delivery without scaling headcount
Run your agency like a machine — client management, team workflows, and operational excellence.
The Creator Stack
Create more, better, faster
Content creation on autopilot — writing, social media, video, newsletters, and audience growth.
The Solopreneur Stack
Run a one-person empire
The complete toolkit for running a business solo — from ops to marketing to finance.
The Coach & Consultant Stack
Package your expertise, scale your impact
Build courses, coach clients, create content, and grow your consulting practice.
The Startup Founder Stack
Move fast with AI leverage
From pitch deck to product launch — fundraising, hiring, operations, and growth.
Want everything? Get the Full Stack — all 296 skills for $299
What no one else covers
8 pillars no competitor has
The big free Claude skill repositories cover engineering and marketing heavily. 70 of our skills sit in categories nobody else has built a coherent set for — coaching, course creation, fundraising, agency ops, community building, and the rest below.
Learning
8 skillsConcept mapping, debate partners, teach-it-back — make ideas stick.
Course Creation
8 skillsCurriculum, lesson scripts, quizzes, sales pages — the whole product.
Voice-First
4 skillsVoice memos and meeting transcripts routed straight to structured output.
AI Memory
5 skillsContext handoff, durable state, decay audits — keep AI working at depth.
Health & Wellness
14 skillsIntake forms, programming, recovery, sleep — coaching infrastructure.
Agency Operations
16 skillsCapacity planning, client health, retainers, reporting — run an agency on rails.
Fundraising
9 skillsInvestor narrative, pitch deck, FAQ, DD prep — the whole raise.
Community Building
6 skillsPaid communities, launch playbooks, engagement systems, member retention.
Don't take our word for it
Skill Locker is new. Rather than ask for your trust, we make the quality checkable before you spend anything.
8 skills, free
Try the real thing before you pay a penny. The free skills are the same build as the paid ones — install them, run them, judge for yourself.
Open catalog dataset
Every skill's metadata is published openly so you can inspect the whole catalog — names, categories, versions — before buying anything.
Versioned & changelogged
Each skill carries a version and a changelog. You can see exactly what changed and when — not a static prompt dump that quietly rots.
Eval-tested, not vibes
Skills are refined against held-out test cases, not shipped on a hunch. The free skills' test evidence is open-source so you can verify the method.
Built with rigour, not vibes
Start with the free skills — no account needed to see what they do.
Try before you buy
8 free skills — fully optimised, no catch. Sign up to access them in your dashboard, then decide if you want the full library.
The Anti-Slop Checker
v1.1.03× optimisedFreeDetects AI-written text patterns and rewrites them to sound human. Scores any text 0-10 for AI tells.
The 3-Minute Email
v1.3.03× optimisedFreeWrites ready-to-send emails from any situation. Detects email type, applies the right framework, keeps it under 150 words.
The 60-Second Bio
v1.3.03× optimisedFreeGenerates platform-optimised bios for LinkedIn, Twitter/X, Instagram, speaker intros, and websites from minimal input.
The Content Idea Machine
v1.3.03× optimisedFreeGenerates 20 specific, hook-first content ideas with format recommendations and a 5-day content calendar.
The Meeting Debrief
v1.3.03× optimisedFreeExtracts structured debriefs from messy meeting notes — separating decisions from discussions, with action items and next steps.
Flashcard Generator
v1.3.03× optimisedFreeTurns any notes, article, or chapter into spaced-repetition flashcards optimised for long-term retention — not just question/answer pairs.
Sleep Optimisation Plan
v1.3.03× optimisedFreeDiagnoses your specific sleep problem and builds a prioritised protocol that targets the root cause — not generic "avoid screens before bed" advice.
Personal Brand Architect
v1.3.03× optimisedFreeBuilds a complete positioning system for you — who you're for, what you stand for, and how to say it — not surface-level "just be authentic" advice.
Creates a free account — no card required.
Or install via Claude Code plugin marketplace
MIT, on GitHub. Same 5 skills, no email required.
What skill do you wish existed?
We build what people actually need. Tell us what you'd use and we'll add it to the roadmap.