Skills, subagents, slash commands, hooks, settings, plugin bundles and MCP servers that install into Claude Code. 369,658 indexed, measured the same four ways as everything else here.
willynikes2/knowledge-base-server
Skill Claude CodeCodex
Use before starting any non-trivial task to search the knowledge base for context, and after completing work to capture findings. Teaches the token-efficient retrieval pattern and self-learning loop.
Skill Claude CodeCodex
Read, search, and draft email in the connected mailbox (Gmail or Microsoft 365). Use when the user asks about their inbox, wants a message found or summarized, or wants a reply drafted. Sending is gated by a separate, explicitly granted permission — never assume you can send, and never claim a message was sent unless…
Impertio-Studio/Frappe_Claude_Skill_Package
Skill Claude CodeCodex
Use when building custom dialogs, extending List View, creating Page controllers, or adding Kanban/Calendar views and realtime updates. Prevents UI freezes from synchronous calls, broken dialogs from wrong field definitions, and missed socket events. Covers frappe.ui.Dialog, frappe.ui.form.MultiSelectDialog, List View…
Skill Claude CodeCodex
An integration guide for ECPay, a Taiwanese service for payments, electronic invoices, delivery, and virtual tickets. It covers payment methods such as cards, ATM transfers, convenience-store payments, Apple Pay, refunds, recurring charges, and logistics.
matlab/agent-skills-playground
Skill Claude CodeCodex
Use this skill for guided MBSE work in MATLAB — starting a new project, resuming work mid-workflow on an existing project, or answering orientation questions about how the MBSE skills fit together. Trigger when the user says they want to create, start, or set up a new MBSE project; work on a model-based systems…
MCP server Claude CodeCodexCursor +2
MCP server "civ6" as configured in lmwilki/civ6-mcp. Runs locally from the . Python package.
Plugin Claude Code
Bundles 15 skills, 1 hook, 1 MCP server · 1,162 tokens together
Claude Code plugin for CesiumJS domain skills and browser-based iteration via Chrome DevTools.
Plugin Claude Code
Bundles 1 skill · 118 tokens together
Write SvGrid code that runs: the house-style skill plus the MCP server that checks every file against the real API surface before you see it.
Plugin Claude Code
Bundles 1 skill · 192 tokens together
Emulate an enterprise SaaS knowledge source over a corpus you supply, then wire a real client to it.
MCP server Claude CodeCodexCursor +2
MCP server "oysterworkflow" as configured in ShuxinYang111/oysterworkflow. Runs ./mcp/server.mjs with node.
Skill Claude Code
Analyze a systing trace database (.duckdb). Use when the user asks about a systing trace — flamegraphs, scheduling latency, CPU hotspots, network behavior, memory/allocation activity, off-CPU time, TPU op/metric data, or any question about what's in a trace.duckdb file. Orchestrates the systing-analyze MCP tools…
Skill Claude CodeCodex
Extract passive component MPN pattern (resistor, capacitor, inductor) from a datasheet PDF. Returns structured data via the savepattern tool.
robotostudio/turbo-start-sanity
Skill Claude CodeCodex needs its repo
Use for Vercel cost and performance optimization on deployed projects, especially Next.js, SvelteKit, Nuxt, and limited Astro apps. Collect Vercel metrics, usage, project config, and code scan results first; investigate only metric-backed candidates; produce ranked recommendations grounded in verified files and…
Learning-Bayesian-Statistics/baygent-skills
Skill Claude CodeCodex
Opinionated amortized Bayesian workflow with BayesFlow for simulation-based inference (SBI). Contains critical guardrails that agents will usually not apply unprompted — always consult before writing BayesFlow code. Trigger on: simulation-based inference, amortized inference, approximate Bayesian inference, BayesFlow…
Plugin Claude Code
Bundles 5 skills · 466 tokens together
Send and receive emails, build with React Email, follow deliverability best practices.
Skill Claude CodeCodex
How to coordinate with squads on different machines using git as transport.
Skill Claude CodeCodex
Use when the user asks about JoyinCode development workflow, how to use AI coding in this project, or mentions any pipeline step (markitdown Word-to-MD conversion, grill-with-docs requirement analysis, opsx proposal workflow).
Skill Claude CodeCodex
Control LLM output with regex and grammars, guarantee valid JSON/XML/code generation, enforce structured formats, and build multi-step workflows with Guidance - Microsoft Research's constrained generation framework.
Skill Claude CodeCodex
A guided workflow for creating a Chinese web novel from an initial idea through planning, writing, review, and polishing. It helps keep the story world consistent across chapters.
MCP server Claude CodeCodexCursor +2
Bridge to multiple LLMs and CLI agents: councils, debates, voting, and more. Runs locally from the mcp-rubber-duck npm package. Needs 4 environment variables to run.
Skill Claude CodeCodex
Conducty's context engine lives in an Obsidian vault. This skill defines the vault layout, naming, linking, and index conventions every other Conducty skill must follow when reading or writing notes. Use when reading/writing any plan, design, context, improvement, failure pattern, metrics, or prompt-log note — or when…
Skill Claude CodeCodex
Research SaaS and AI-tool competitors in a real browser. Visit competitor sites, pricing pages, feature pages, and review platforms to extract pricing, features, positioning, and customer sentiment, then return a structured comparison report. Use when the user wants competitor analysis, market landscape research…
MCP server Claude CodeCodexCursor +2
One of 3 in .mcp.json
MCP server for The Movie Database (TMDB) API - search movies, get recommendations, trending movies, and detailed movie information. Runs locally from the @adamayoung/mcp-server-tmdb npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
MCP server for korea stock. Runs locally from the korea-stock-mcp npm package. Needs 2 environment variables to run.
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: