Claude Skills
The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.
Every Agent Skill we could find on GitHub, deduplicated by content. 79 600 files from 1 763 authors, of which 61 947 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.
Complete guide to generating polished technical poster PNGs with matplotlib, including typography, pseudo-3D layers, and annotations.
Refined techniques for composing classical Chinese regulated verse on war-and-peace themes, with verified imagery, couplet examples, and common pitfalls.
Complete rules, structure, and verification checklist for seven-character regulated verse (七言律诗), with corrected rhyme groups and parallel couplet standards.
How to fill California SC-100 Small Claims Court PDF form using fillable field IDs; includes complete field mapping, checkbox behavior, and field fill strategy.
Efficient DBSCAN clustering with a custom parameterized distance metric using precomputed distance matrices for speed, plus centroid computation.
Greedy matching of predicted centroids to expert points by closest pairs first, with max distance threshold, computing F1 and delta.
Computing the Pareto frontier for multi-objective optimization (maximize F1, minimize delta) with correct dominance handling and output formatting.
Extract CVSS v3 scores from Trivy vulnerability JSON with source priority (NVD > GHSA > RedHat) and fallback to N/A.
Use Trivy vulnerability scanner in offline mode to scan dependency lock files and produce JSON vulnerability reports without internet access.
Generate structured CSV security audit reports from Trivy JSON output with severity filtering, deduplication, and proper field mapping.
Parse USGS GeoJSON earthquake data into GeoPandas GeoDataFrame and output structured JSON results for geospatial analysis.
Load and work with PB2002 tectonic plate boundary data using GeoPandas for spatial filtering and distance calculations, with antimeridian awareness.
Finding competitor product discussions, insights, and demo URLs across all ContentForce-related Slack channels
Complete guide to retrieving structured answers from enterprise product JSON data files containing Slack, documents, meetings, and PRs
Analyze fund AUM, holdings count, and cross-quarter investment changes from SEC 13F filings.
Fuzzy search for hedge funds or stocks by name in SEC 13F filings; handles cases where rank 1 is skipped due to amendment filtering.
Complete workflow for finding top stock increases/decreases between Q2 and Q3 for a specific fund.
Find top fund managers holding a specific stock (by CUSIP) using a fixed version of the holding_analysis workflow.
Complete guide to patching Apache Druid CVE-2021-25646 - JavaScript RCE via Jackson @JacksonInject bypass with empty JSON key
Security guide for Jackson @JacksonInject vulnerabilities - how attackers override injectable values via JSON and how to prevent it
How to identify bug report issues and count resolved bugs in a date range from GitHub Search API results.
How to compute PR statistics (merged, closed, avg_merge_days, top_contributor) from GitHub Search API items using Python.
How to query the GitHub Search API for PRs and issues with date filtering, handling pagination and unauthenticated access via Python urllib.
How to assemble and write a structured JSON report for GitHub community pulse statistics with validation.
Complete setup guide for reproducing NLP paper results with HuggingFace TRL/transformers on Python 3.12 - use when setting up environments for preference optimization experiments.
Complete implementation of the SimPO (NeurIPS 2024) loss function with all variants and edge cases - use when reproducing SimPO or implementing reference-free preference optimization.
Handle {{IF_X}}...{{END_IF_X}} conditional blocks in Word .docx templates — keep or remove content, with correct ordering relative to placeholder replacement.
Replace {{PLACEHOLDER}} tokens in Word .docx templates using python-docx, correctly handling split runs, nested tables, headers/footers, and verification.
Improved keyword-based document classification with false-positive prevention, manual review of zero-score files, and post-classification verification.
Extract text from PDF files using PyPDF2 with pdfplumber fallback; optimized for title/abstract extraction for classification.
Extract text from PPTX and DOCX files using python-pptx and python-docx, including tables and all shapes.
Using Circe for JSON tokenization and dot-path navigation in Scala, with the exact APIs needed to replace Python's json module and dict traversal.
Implementing an immutable fluent builder in Scala with companion object apply, varargs metadata, and a build() method returning a function — translating Python's mutable builder class.
Translating Python Enum and frozen dataclass to idiomatic Scala sealed ADTs and case classes, with precise metadata typing and withMetadata pattern.
Translating Python Protocol, ABC, and isinstance dispatch to Scala traits, overloaded methods, and functor/monad abstractions.
Translating Python TypeVar covariant/contravariant generics to Scala variance annotations, with concrete patterns for containers, sinks, and handlers.
Schedule multiple meeting requests into a calendar with earliest-first logic, then generate formatted reply .txt files and a results.json summary.
Precisely parse a PDF day-view calendar to extract event times, durations, and colors by reading visual block positions and the 15-minute grid.
Convert US time zones to the calendar's local timezone, correctly handling Daylight Saving Time for dates in March through November.
Creating D3.js v6 bubble charts with market cap sizing (scaleSqrt), sector coloring, inside ticker labels, and ETF uniform sizing — with correct tooltip suppression for ETFs.
D3.js v6 force simulation for clustered bubbles by category using forceX/forceY anchors, forceCollide for no overlap, with truly deterministic initial positions.
Building a scrollable D3.js HTML table linked to a bubble chart with bidirectional click-highlight, correct scrollIntoView for overflow containers, and sector color badges.
How to run and calibrate GLM3 for lake temperature simulation - includes correct parameter effects, grid search strategy, and verified working parameter ranges.
How to read GLM3 NetCDF output (shape/dimension details verified) and extract simulated temperature profiles matched to field observations.
Exact RMSE metric computation for GLM lake temperature evaluation - verified matching procedure with correct threshold values.
Explore and query travel dataset files (CSV/TXT) to find cities, restaurants, accommodations, attractions, and driving distances — with precise filtering patterns and data field notes.
Build a multi-city road-trip travel itinerary from dataset files with complete budget tracking, pet-friendly constraints, cuisine coverage, and correct JSON output format.
Extract I-frame keyframes from video files using FFmpeg CLI, saving as zero-padded PNG sequences starting at 001.
Convert PNG images to grayscale inplace using ImageMagick; covers both keyframes and template images for consistent matching.
Count template objects in keyframes using count_objects.py; parse integer from output string and generate a CSV with results per frame.
Use INDEX&MATCH with two conditions (series code + year) to populate data tables in Excel from a source sheet, with proper anchoring for copyable formulas.
Calculate GDP-weighted mean of net exports as % of GDP using SUMPRODUCT in Excel, including all supporting statistics (min, max, median, percentiles).
Safely insert Excel formulas into specific cells using openpyxl without altering formatting, colors, or structure of existing workbooks.
A skill for advanced technical illustration with Pillow, including complex hardware shapes, cooling fins, and annotation shelf-lines.
A skill for managing and applying Anthropic's specific brand identity, including color tokens, typography fallbacks, and technical illustration standards.
Detailed rules for seven-character regulated verse (七言律诗), including the "Sticky" (黏) and "Opposing" (对) rules.
Advanced vocabulary and poetic devices for expressing suffering, war, and the hope for peace from an ordinary person's perspective.
Comprehensive rhyme groups for modern Mandarin (新韵), ensuring consistent rhyming throughout the poem.
Techniques for mapping case descriptions to PDF form fields.
Advanced techniques for filling PDF forms with fillable fields.
Claude Skills — questions
Answers built from the skills we actually parsed.