Static analyzer for AI coding-agent context — and an Agent Skill your agent can run. Measures always-on context cost of CLAUDE.md, AGENTS.md and Agent Skills; finds skills that won't load, redundant instructions, stale paths and duplicate names. Claude Code, Codex, Cursor, Gemini CLI. Research project.
Skill Claude CodeCodex
Audits AI coding-agent context. Measures always-on context-window cost of CLAUDE.md, AGENTS.md and Agent Skills, and reports skills that will not load, stale path references, redundant instructions and duplicate skill names. Use when the user asks to audit, measure or reduce context cost, check whether a skill is…
Skill Claude CodeCodex
Valid skill preceded by a UTF-8 byte order mark. Use when testing BOM handling.
Skill Claude CodeCodex
Valid skill using Windows line endings. Use when testing CRLF handling.
Skill Claude CodeCodex
Static analyzer for AI coding-agent context — and an Agent Skill your agent can run. Measures always-on context cost of CLAUDE.md, AGENTS.md and Agent Skills; finds skills that won't load, redundant instructions, stale paths and duplicate names. Claude Code, Codex, Cursor, Gemini CLI. Research project.
Skill Claude CodeCodex
body.
Skill Claude CodeCodex
Frontmatter name is a number, not a string. Use when testing type validation.
Skill Claude CodeCodex
broken.
Skill Claude CodeCodex
body.
Skill Claude CodeCodex
Frontmatter omits name; the harness derives it from the directory. Use when testing name inference.
Skill Claude CodeCodex
Just prose, no frontmatter fence at all.
Skill Claude CodeCodex
Explains tokenizer control sequences such as and . Use when the user asks about tokenizer internals.
Skill Claude CodeCodex
A test skill containing emoji, Chinese and Japanese text, Arabic text, and combining character marks.
Skill Claude CodeCodex
The fence is never closed. Use when testing.
Skill Claude CodeCodex
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright…
Skill Claude CodeCodex
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
Skill Claude CodeCodex
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
Skill Claude CodeCodex
Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude…
Skill Claude CodeCodex
Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers.…
Skill Claude CodeCodex
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', '.dotx', or requests to produce professional documents with formatting like tables of contents, headings, page…
Skill Claude CodeCodex
Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.
Skill Claude CodeCodex
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project…
Skill Claude CodeCodex
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Skill Claude CodeCodex
Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and…
Skill Claude CodeCodex
Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like in an email or summary)…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: