Skills, subagents, slash commands, hooks, settings, plugin bundles and MCP servers that install into Claude Code. 383,343 indexed, measured the same four ways as everything else here.
Justinjchen-Cornell/Science-Research-Writing-Skill
Skill Claude CodeCodex
Knowledge base from 'Science Research Writing for Non-Native Speakers of English' by Hilary Glasman-Deal (Imperial College London). Use when writing any section of a science research paper or thesis (Introduction, Methodology, Results, Discussion, Abstract), choosing verb tenses or passive/active voice, hedging causal…
Plugin Claude Code
Bundles 3 skills · 190 tokens together
Delegate tasks to free opencode agents and supervise them from Claude Code — Team mode (pair review) or Boss mode (manage, approve, deploy).
Plugin Claude Code
Bundles 3 skills, 3 commands · 521 tokens together
Intelligence layer for Claude skills. Searches skills.sh, a trust-rated curated catalog and GitHub topics with blended ranking (relevance, project fit, trust, popularity), recommends what fits your project, returns ranked lists with pros, cons and customization advice, persists every decision, and migrates skills…
kongyo2/prompt-engineering-skill
Skill Claude CodeCodex
Comprehensive prompt engineering framework for designing, optimizing, and iterating LLM prompts. This skill should be used when users request prompt creation, optimization, or improvement for any LLM task, or when users need help translating vague requirements into effective prompts through collaborative dialogue and…
Plugin Claude Code
Bundles 1 skill · 162 tokens together
A writing plugin that extracts useful points from long material—such as course outlines, scripts, transcripts, or notes—and turns them into promotional copy in the author’s style, usually as a Facebook post.
Skill Claude Code
Use the spark CLI to access the user's Spark email data - list emails, search by topic, read threads, check calendar events, find availability, look up contacts, and view team info. Use when the user asks about their emails, calendar, contacts, meetings, or scheduling.
Skill Claude CodeCodex
Check your own usage limits and when they reset, for Claude (5-hour + 7-day windows) and Codex (5-hour + weekly windows), including whether you're on pace to hit a limit before it resets. Use when the user asks about usage, limits, quota, capacity, or reset time, or before starting a large task to know how much budget…
Skill Claude CodeCodex
Analyze authorized Chinese writing samples, maintain author-scoped style observations, write from a reviewed profile, and check drafts against the selected author and genre. Use for corpus analysis, profile-guided writing, and preservation-aware draft review.
Skill Claude CodeCodex needs its repo
TOM and ADOMD.NET guidance via PowerShell for connecting to Power BI Desktop's local Analysis Services instance. Covers model enumeration, DAX queries, metadata modification, annotations, calendar definitions, field parameters, query tracing, and DAX library package management (daxlib.org). Automatically invoke when…
Out-bloodspavin173/openalex-skill
Skill Claude CodeCodex
Use when the user asks about academic literature, research papers, scholarly works, authors, citations, institutions, journals, or any academic metadata. Trigger when users want to search for papers, find author profiles, track citations, discover related works, or explore academic topics. Also use when users mention…
Skill Claude CodeCodex
A Chinese-language skill for creating prompts, including analysing requirements, asking follow-up questions, applying prompt structures, and producing multiple versions.
Plugin Claude Code
Bundles 25 skills, 3 agents · 1,030 tokens together
The core engineering loop for coding agents (Claude Code, Codex CLI): grill, spec, tickets, implement with TDD at agreed seams, review, commit, plus a user-gated compound step that turns session learnings into durable project memory. Basic spells a caster always has prepared.
Plugin Claude Code
Plugin marketplace listing 1 plugin: awesome-claude-agents.
Hearmeman24/minimax-worldbuilder
Skill Claude CodeCodex
Compose MiniMax-H3 video-with-native-audio prompts in H3's mandatory structured format — full-reference (Ref2VA) and text-to-video (T2VA) only. Use whenever the target model is MiniMax-H3: the user says MiniMax, MiniMax-H3, H3, ref2va / r2v / t2v, names a minimaxh3 checkpoint, or names the MiniMaxH3ReferenceToVideo /…
Supersynergy/agent-token-saver-skill-router
Skill Claude Code
Use when an agent has many skills/tools/prompts and must cut prompt tokens by routing adaptively. Runs routing outside model context when possible, indexes metadata on disk, lazy-loads one primary plus up to four complementary support skills, and benchmarks savings across agents.
artnebo/cinematic-frame-director
Skill Claude CodeCodex
Turn a user's idea, scene description, or mood into ONE production-grade cinematic still-image prompt in English for text-to-image models (Seedream, Midjourney, Flux, DALL-E, or any image generator). Use this skill whenever the user asks for an image prompt, a cinematic frame, a "movie still" look, a photorealistic…
Skill Claude CodeCodex
Execute approved bounded browser Test DSL cases with fresh isolated contexts and auditable attempts. Use when running browser tests, reruns, regression checks, or blocked execution diagnostics.
Plugin Claude Code
Bundles 1 skill, 2 agents, 1 hook · 159 tokens together
Engineering discipline for coding agents: size the work, keep every change on the record, verify against intent, never lose a session. stem.cooking.
Plugin Claude Code
Bundles 1 skill · 69 tokens together
Teaches AI agents to fetch GDP, population, inflation, and 30,000 other development indicators for every economy with the free World Bank Indicators API (no API key required).
Skill Claude Code
Scores a potential date against the user's stated preferences (traits, dealbreakers, age range, distance, intent) and returns a like/pass decision with reasons.
Plugin Claude Code
Bundles 4 skills, 6 hooks · 267 tokens together
A project structure for keeping an AI agent’s memory outside the model in three layers: persistent notes, an index, and detailed records. It also provides templates, approval controls, event logs, context-saving procedures, and weekly review tools.
Skill Claude CodeCodex
AgentOS uses a modular 3-tier ReAct reasoning engine. The AI (Gemini 2.0 Flash / Claude Sonnet 4.6 / GPT-4o / Ollama) automatically discovers, chains, and executes these skills via the Tool Registry and Skill Loader.
Skill Claude CodeCodex
MUST USE when user wants to research/search/look up anything on the internet — e.g. research X across the whole web / help me research X / look up X / search for X / see what people say about X / what's being discussed about X / research this topic. Also MUST USE proactively when the user: wants to watch/track/monitor…
Skill Claude CodeCodex
Take a fuzzy idea (or an existing thing you want to improve) through a disciplined funnel — explore → pressure-test → converge — and produce one living CONCEPTBRIEF.md: a locked concept + phased roadmap. Acts as a blunt, honest co-founder (permission to overrule you), forces a success metric and a kill criterion…
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: