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500k.io

The skills bank

Every Claude skill worth knowing.

Scraped weekly from GitHub, Anthropic, and the community. Searchable, tagged, with install commands and use cases for $500K founders.

PDF

anthropic

Turn Markdown + a YAML manifest into a styled, printable PDF. Cover page, table of contents, page numbers, theming. The lead-magnet workhorse.

documents ★ 92

Customer Research

community

Turn raw interview transcripts (Fathom / Granola / Otter) into structured ICP signals, jobs-to-be-done, objections, quotes, and follow-up questions.

research ★ 88

Excel

anthropic

Turn CSVs, dataframes, or natural-language asks into styled Excel spreadsheets with formulas, charts, and conditional formatting.

documents ★ 84

Code Review

anthropic

Review a PR or diff against project conventions; flag risk, suggest tests, identify duplication, score readability.

developer ★ 81

Transcript Summary

community

Convert any transcript (Fathom / Granola / YouTube / podcast) into a structured one-page brief with action items, key quotes, and timestamps.

communication ★ 78

Email Writer

anthropic

Compose, reply to, and triage email threads with consistent voice and clear action items. GDPR-aware.

communication ★ 75

Cold Email Sequence

community

Generate 5-step cold email sequences from a single ICP definition + offer description. Includes subject lines, A/B variants, and reply-handling templates.

communication ★ 73

PowerPoint (PPTX)

anthropic

Turn Markdown slide outlines into PowerPoint decks with consistent themes, layouts, and image placeholders.

documents ★ 71

SQL Query

anthropic

Convert plain-English questions into safe, parameterized SQL queries against your schema. Postgres, SQLite, MySQL flavors supported.

data ★ 69

Competitor Research

community

Crawl a competitor's site, blog, and pricing page; produce a structured comparison vs your product.

research ★ 67

GitHub Issue

anthropic

Open well-formed GitHub issues from arbitrary triggers (test failures, lighthouse regressions, customer support tickets).

automation ★ 65

Financial Model

community

Turn raw Stripe / Mercury / accounting CSVs into a P&L, balance sheet, runway forecast, and tax-ready quarterly close.

data ★ 64

Image Prompt

community

Generate consistent Replicate / Midjourney / Flux Schnell prompts for hero images that match your brand fingerprint.

creative ★ 62

Weekly Report

community

Aggregate the week's metrics, ships, and learnings into a one-page founder report. Sends to advisors or self-archives.

automation ★ 59

Word (DOCX)

anthropic

Generate Word documents from Markdown with formatting, headers/footers, comments, and review-mode-ready tracked changes.

documents ★ 58

Brand Voice

community

Enforce your brand voice on any draft. Flags banned phrases, hedging, weak openings, and corporate jargon.

communication ★ 56

ICP Bible

community

Turn 20+ customer interviews + survey data into a structured ICP Bible — segments, demographics, psychographics, jobs-to-be-done, vocabulary.

research ★ 54

Schema Validator

community

Validate JSON-LD across all pages of a site. Surface invalid schema, missing required properties, and AI Overview eligibility issues.

developer ★ 51

Lighthouse Checker

community

Run Lighthouse against a list of URLs, surface regressions, and open GitHub issues for any page falling below thresholds.

developer ★ 47

Sponsor Pitch

community

Generate sponsorship pitches and rate cards from your audience metrics + a target sponsor's fit profile.

communication ★ 42

Free PDF

Get the Top 50 Claude Skills as a PDF

A 25-page printable reference: install commands, use cases, and a 1-line verdict per skill. Free.

  • 50 skills hand-curated by use case
  • Install command for each
  • Quick-glance compatibility matrix
  • Updated monthly