Claude Code skills, ranked and checked

Adds, fixes and optimises schema markup and structured data such as JSON-LD for rich results.

Audits a site for SEO problems across technical SEO, on-page elements and meta tags, and explains why pages are not ranking.

Optimises signup, registration and trial activation flows to reduce friction and raise conversions.

Plans or restructures a website's page hierarchy, navigation, URL structure and internal linking.

Plans and builds SMS and MMS marketing: welcome flows, abandoned cart texts, win-back, promotional and transactional messages.

Creates and optimises social media content for LinkedIn, X, Instagram, TikTok and Facebook, and handles social listening.

Produces marketing video with AI tools and programmatic frameworks such as Remotion, Hyperframes, HeyGen and Veo.

Extracts clean Markdown from HTML pages with the Defuddle CLI.

Creates and edits JSON Canvas files (.canvas) with nodes, edges and groups, for visual canvases and mind maps in Obsidian.

Renders Markdown notes from templates and structured data such as JSON or CSV with the Knap CLI.

Creates and edits Obsidian Bases (.base files) with views, filters, formulas and summaries.

Reads, creates, searches and manages notes in an Obsidian vault through the Obsidian CLI, and helps with plugin development.

Writes Obsidian Flavored Markdown with wikilinks, embeds, callouts and properties.

Molecular biology toolkit: sequence manipulation, FASTA, GenBank and PDB parsing, phylogenetics and NCBI access.

Searches OpenAlex, PubMed and Google Scholar for papers, validates citations and generates BibTeX entries.

Designs experiments and studies before data collection: choice of design, randomisation, blocking and treatment layout.

Runs exploratory analysis on scientific data files: profiles, missing-data audits and outlier checks.

Turns observations into testable scientific hypotheses with rival explanations, predictions and an analysis plan.

Creates research posters in LaTeX with beamerposter, tikzposter or baposter.

Conducts systematic literature reviews across PubMed, arXiv, bioRxiv, Semantic Scholar and other academic databases.

Builds market research reports with traceable evidence, competitive landscapes and TAM, SAM and SOM sizing.

Converts Office files, PDFs and other documents to Markdown with Microsoft MarkItDown, for analysis and RAG ingestion.

Reference for Matplotlib: fine-grained control over plot elements and export to PNG, PDF or SVG for publication.

Creates, analyses and visualises networks and graphs in Python with NetworkX.