SkillLearnBench

Handles reading, populating, and saving .docx files using the python-docx library. Use this skill for any tasks involving template filling or modifying Word documents.

Perform various data analysis on SEC 13-F and obtain some insights of fund activities such as number of holdings, AUM, and change of holdings between two quarters.

This skill includes search capability in 13F, such as fuzzy search a fund information using possibly inaccurate name, or fuzzy search a stock cusip info using its name.

A comprehensive PDF toolkit for advanced data extraction and document analysis. Beyond text and table extraction, this tool is optimized for visual layout reasoning: it can map graphical elements to coordinates (such as determining appointment times based on their position on a calendar timeline) and identify color-coded features (e.g., distinguishing high-priority blocks from flexible blue-colored entries). Use this skill when the task requires interpreting schedule layouts, calculating durations from visual spans, or resolving scheduling conflicts based on the spatial and color properties of a PDF document.

Build deterministic, verifiable data visualizations with D3.js (v6). Generate standalone HTML/SVG (and optional PNG) from local data files without external network dependencies. Use when tasks require charts, plots, axes/scales, legends, tooltips, or data-driven SVG output.

invoke this skill when you need to perform database search for travel planning. This skill provides some useful pre-packaged tools to look up accommodations, attractions, cities, driving distance, flights, and restaurants from the bundled dataset.

Count occurrences of an object in the image using computer vision algorithm.

Create modular skill documents (SKILL.md files) for Claude Code. Use this skill whenever a task requires generating reusable knowledge documents, capturing domain expertise, or building skills that encode workflows, APIs, or specialized techniques. Invoke this whenever you need to write a SKILL.md from scratch, even if the user doesn't explicitly ask for a "skill".

Anthropic's official brand color palette, design tokens, and typography standards for consistent brand application.

Create technical graphics, diagrams, and posters using Python Pillow library with precise color control and typography.

Design principles and techniques for creating technical exploded-view diagrams and engineering documentation posters.

Compose classical Chinese poetry on peace themes using authentic imagery, perspective shifts, and the voice of ordinary people experiencing war's aftermath.

Master modern Mandarin pinyin finals and tone systems to create accurate rhymes for classical poetry following contemporary pronunciation standards.

Master the structure, tonal patterns, and rhyming requirements of classical seven-character regulated verse (七言律诗) in Chinese poetry.

Understand the structure and fields of the California Small Claims Court Form SC-100

Fill PDF form fields programmatically using Python libraries like pypdf or pdfrw

Implement DBSCAN clustering with custom distance metrics using scikit-learn's pairwise_distances.

Implement greedy bipartite matching for pairing cluster centroids with expert annotations.

Parallelize hyperparameter grid search using joblib for efficient multi-core execution.

Identify Pareto-optimal solutions from multi-objective optimization results.

Extract and handle CVSS scores from multiple vulnerability data sources (NVD, GHSA, RedHat) with proper fallback priority.

Parse and extract package information from npm package-lock.json files to identify dependencies and their installed versions.

Generate structured CSV security audit reports from vulnerability data with proper filtering, formatting, and field mapping.

Use Trivy vulnerability scanner in offline mode to detect CVEs in npm dependencies and generate structured JSON reports.

Use GeoPandas with coordinate projections to perform accurate spatial calculations and transformations.

Analyze plate tectonics data using GeoPandas, identify points within plates, and calculate distances to boundaries.

Load, parse, and process USGS earthquake data in GeoJSON or JSON formats.

Retrieve and aggregate information across multiple enterprise data sources

Extract, parse, and query JSON data from large enterprise files efficiently

Format query results to JSON with proper structure and token tracking

Fuzzy matching techniques for finding hedge funds by name when exact names are unknown

Analyzing fund portfolios including AUM extraction, holdings counts, and portfolio composition

Understanding SEC 13-F filing data structure, TSV format, and key tables for hedge fund analysis

Securing Apache Druid's JavaScript execution engine against code injection and security bypass attacks.

Creating, managing, and applying unified diff patches with Git for source code modifications.

Securing Jackson JSON deserialization by validating input before processing and preventing unknown properties.

Building Apache Druid with Maven, managing memory constraints, and skipping verification checks.

Query GitHub repositories for PRs and issues using gh CLI with date filtering and structured output.

Process GitHub API data to calculate PR/issue metrics including merge time averages, author rankings, and bug categorization.

Generate and write structured JSON reports with proper formatting and validation.