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Found 1,610 Skills
Authorization and permissions management for Ruby on Rails applications using CanCanCan. Use when: (1) Implementing role-based access control (RBAC), (2) Defining user permissions and abilities, (3) Restricting resource access in controllers, (4) Filtering queries based on user permissions, (5) Hiding/showing UI elements based on authorization, (6) Testing authorization logic, (7) Managing admin vs user vs guest permissions, (8) Implementing attribute-based access control
Create Product Requirements Documents. Use when defining new features, projects, or initiatives. Covers user stories, acceptance criteria, and scope definition.
Guide to analyze multiple documents (PDF, DOCX) against user-defined columns and produce a structured Excel output with citations. Use when the user wants to: (1) Extract specific information from multiple documents into a table, (2) Compare clauses or provisions across contracts, (3) Create a document review matrix with source citations. Triggers on: 'tabular review', 'document matrix', 'extract from documents', 'compare across documents', 'review multiple contracts'.
Compiler sanitizer skill for runtime bug detection in C/C++. Use when enabling and interpreting AddressSanitizer (ASan), UndefinedBehaviorSanitizer (UBSan), ThreadSanitizer (TSan), MemorySanitizer (MSan), or LeakSanitizer (LSan) with GCC or Clang. Activates on queries about sanitizer flags, sanitizer reports, ASAN_OPTIONS, memory errors, data races, undefined behaviour, uninitialised reads, or choosing which sanitizer to use for a given bug class.
ELF binary inspection skill for Linux. Use when examining ELF executables or shared libraries with readelf, objdump, nm, or ldd to understand symbol visibility, section layout, dynamic dependencies, build IDs, or relocation entries. Activates on queries about ELF format, shared library dependencies, symbol tables, section sizes, DWARF debug info in binaries, binary bloat analysis, or undefined symbol errors.
Knowledge graph-based text replacement using Terraphim hooks. Intercepts commands and text to apply transformations defined in the knowledge graph. Works with Claude Code PreToolUse hooks and Git prepare-commit-msg hooks.
Build production database layers with SQLAlchemy ORM and PostgreSQL. This skill should be used when teaching students to define data models, manage sessions, perform CRUD operations, and connect to PostgreSQL/Neon databases.
Building CLI applications with @effect/cli. Use when defining commands, options, args, or prompts for a CLI tool using effect.
Use when asked to "position my product", "positioning canvas", "differentiate from competitors", "figure out our category", "repositioning", or "why customers should pick us". Helps define competitive alternatives, differentiated value, target customers, and market category. April Dunford's positioning framework from "Obviously Awesome" makes your product's value obvious to the right customers.
Authors JSON Schema definitions for use with z-schema validation. Use when the user needs to write a JSON Schema, define a schema for an API payload, create schemas for form validation, structure schemas with $ref and $defs, choose between oneOf/anyOf/if-then-else, design object schemas with required and additionalProperties, validate arrays with items or prefixItems, add format constraints, organize schemas for reuse, or write draft-2020-12 schemas.
Use when building or debugging WordPress blocks with Blockstudio — a PHP-first block framework. Invoke for block.json configuration, PHP/Twig/Blade templates, field definitions, asset enqueuing (global-*, style.css, script.js), code-snippet directories, Build::init() setup, blockstudio.json settings, and Composer installation.
Edit prose to sound more natural, direct, and engaging. Works top-down through four levels (Document → Paragraph → Sentence → Word) with human checkpoints at each stage. Fixes LLM patterns, writerly bad habits, and style deficits. Works for academic papers, reports, memos, essays, blog posts, proposals, and other nonfiction. Use when prose sounds robotic, dull, or inaccessible.