Skill Locker
297 skills — all v1.3.0, all tested, all maintained

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 — 31 categories, 297 skills, each refined through 3 rounds of testing and shipped with lifetime updates.

New to Claude Code? Start with the complete guide →

Without Skill

"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."

With 3-Minute Email Skill

"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.

297
Skills
31
Categories
v1.3.0
All versioned
Improvement cycles each
2.8M+
Tokens invested in testing

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.

2–4 hrs

saved per skill, per use

Each skill encodes hours of prompt engineering, edge-case handling, and output structuring. You skip straight to results.

Pays for itself in a day

at typical consulting rates

A single well-crafted business proposal, strategy doc, or marketing campaign would cost 10× what the full library costs.

3× refined

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
  • 297 skills covering 31 domains, ready to go
  • Built-in quality gates, edge-case handling, and output formats
  • You focus on the work. Claude handles the craft.

Most users tell us a single skill saves them more time in a week than the entire library costs. That's before they discover the rest of the library.

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.

Terminal

# 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.

Write Like a HumanEmail & OutreachBusiness OperationsCareerLead Gen & SalesLegal & Compliance
$9956 skills
Get this stack →
Save $100+ vs buying individually

The Agency Owner Stack

Scale delivery without scaling headcount

Run your agency like a machine — client management, team workflows, and operational excellence.

Email & OutreachBusiness OperationsProject ManagementLead Gen & SalesLegal & ComplianceAgency Operations
$14972 skills
Get this stack →
Save $130+ vs buying individually

The Creator Stack

Create more, better, faster

Content creation on autopilot — writing, social media, video, newsletters, and audience growth.

Content RepurposingWrite Like a HumanSocial MediaVideo ProductionPersonal BrandCommunity Building
$9941 skills
Get this stack →
Save $120+ vs buying individually

The Solopreneur Stack

Run a one-person empire

The complete toolkit for running a business solo — from ops to marketing to finance.

AI FoundationsEmail & OutreachBusiness OperationsLead Gen & SalesCommand CentreFinance
$12966 skills
Get this stack →
Save $110+ vs buying individually

The Coach & Consultant Stack

Package your expertise, scale your impact

Build courses, coach clients, create content, and grow your consulting practice.

Course CreationWrite Like a HumanSocial MediaHealth & WellnessPersonal BrandFundraising
$12953 skills
Get this stack →
Save $140+ vs buying individually

The Startup Founder Stack

Move fast with AI leverage

From pitch deck to product launch — fundraising, hiring, operations, and growth.

Business OperationsProject ManagementE-CommerceRecruitmentFundraisingFinance
$14968 skills
Get this stack →
Save $150+ vs buying individually

People are shipping faster

Early users are already seeing the difference in their daily work.

I was spending 20 minutes per email crafting prompts. Now I just say 'write a cold outreach to this person' and the output is better than what I was getting after 5 revisions.

Sarah K.

Freelance Consultant

20 min → instant

The strategy skills alone are worth the full price. I used the competitive analysis skill for a client pitch and it produced a framework I'd normally charge £2k to build manually.

Tom R.

Strategy Director

£2k value from one skill

I bought the Ops & Process bundle for my team. The SOPs and process docs Claude produces now are genuinely usable — not the generic fluff you normally get from AI.

Priya M.

Operations Lead

Genuinely usable output

As a solo founder I'm wearing 10 hats. These skills basically give me a marketing team, a copywriter, and a business analyst on tap. Best $299 I've spent this year.

James L.

Startup Founder

10 hats, one tool

Built with rigour, not vibes

1,100+
improvement cycles run
2.8M
tokens invested in testing
297
skills, all v1.3.0
0
subscriptions — pay once

Try before you buy

5 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× optimisedFree

Detects AI-written text patterns and rewrites them to sound human. Scores any text 0-10 for AI tells.

Flagship skill — preview available

The 3-Minute Email

v1.3.03× optimisedFree

Writes 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× optimisedFree

Generates platform-optimised bios for LinkedIn, Twitter/X, Instagram, speaker intros, and websites from minimal input.

The Content Idea Machine

v1.3.03× optimisedFree

Generates 20 specific, hook-first content ideas with format recommendations and a 5-day content calendar.

The Meeting Debrief

v1.3.03× optimisedFree

Extracts structured debriefs from messy meeting notes — separating decisions from discussions, with action items and next steps.

Creates a free account — no card required.

Or install via Claude Code plugin marketplace

$ /plugin marketplace add miniminer-droid/skill-locker-free

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.

Questions

Ready to upgrade Claude?

297 skills. 31 categories. Every one tested, versioned, and maintained. One purchase, lifetime updates.