OpenRouter for agents and sandbox environments. Provides a control plane and configuration options for persistent agent workers. Route runtime + substrates, provision specialist presets, and supervise your fleet.
Skill Claude CodeCodex
Physics-based animation library combining React Spring (spring dynamics, gesture integration, 60fps animations) and Popmotion (low-level composable animation utilities, reactive streams). Use when building fluid, natural-feeling UI animations, gesture-driven interfaces, physics simulations, or spring-loaded…
Skill Claude CodeCodex
Build declarative 3D scenes with React Three Fiber (R3F) - a React renderer for Three.js. Use when building interactive 3D experiences in React applications with component-based architecture, state management, and reusable abstractions. Ideal for product configurators, portfolios, games, data visualization, and…
Skill Claude CodeCodex
Read external reference material (RFDs, papers, blog posts, docs), extract actionable rules, then dispatch subagents to audit the codebase against those rules and fix violations. Use when the user shares a technical reference and wants it applied to the codebase.
Skill Claude CodeCodex
Find and fix a bug introduced by the current author within the last week in the current working directory. Use when a user wants a proactive bugfix from their recent changes, when the prompt is empty, or when asked to triage/fix issues caused by their recent commits. Root cause must map directly to the author's own…
Skill Claude CodeCodex
Compound quality pass over recently changed code. Orchestrates seven standalone skills in sequence: comment, lerp, style, fix-types, interface, test-invariants, exemplar-audit. Each pass is independently invokable. Use after any feature or refactor lands and before the final commit.
Skill Claude CodeCodex
Reticle/Sigil design system reference. Use when generating UI for a project that uses this design system -- provides token names, layout primitives (margins, gutters, crosses), typography, and component patterns. Drop in your own design-system skill to replace it.
Skill Claude CodeCodex needs its repo
State machine-based vector animation with runtime interactivity and web integration. Use this skill when creating interactive animations, state-driven UI, animated components with logic, or designer-created animations with runtime control. Triggers on tasks involving Rive, state machines, interactive vector…
Skill Claude CodeCodex
Verify claims against primary sources before writing code or docs. Read the actual API, run the actual command, check the actual docs. Do not guess. Do not assume. Do not ship until verified.
Skill Claude CodeCodex
Dedalus Rust correctness and style rules. Use when writing, reviewing, or refactoring any Rust code in the host-agent, enclave, or packages/rust workspaces. Covers return-value naming, error design, mustuse, visibility, RAII, fail-closed, and all hard limits from style.md and rust.mdx.
Skill Claude CodeCodex
Use when the user explicitly asks for a desktop or system screenshot (full screen, specific app or window, or a pixel region), or when tool-specific capture capabilities are unavailable and an OS-level capture is needed.
Skill Claude CodeCodex
Simple scroll-triggered reveal animations using AOS (Animate On Scroll). Use this skill when building marketing pages, landing pages, or content-heavy sites requiring basic fade/slide effects without complex animation orchestration. Triggers on tasks involving scroll animations, scroll-triggered reveals, AOS, simple…
Skill Claude CodeCodex
Guide users building apps, scripts, CI pipelines, or automations on top of the Cursor TypeScript SDK (@cursor/sdk). Use when the user mentions integrating, installing, or writing code against the Cursor SDK; says Agent.create, Agent.prompt, Agent.resume, agent.send, run.stream, CursorAgentError, or @cursor/sdk; asks…
Skill Claude CodeCodex
CTF-style security and correctness audit. Use when the user asks for a security review, before deploying user-facing services, or when reviewing auth, payments, or anything that touches secrets.
Skill Claude CodeCodex
Perform language and framework specific security best-practice reviews and suggest improvements. Trigger only when the user explicitly requests security best practices guidance, a security review/report, or secure-by-default coding help. Trigger only for supported languages (python, javascript/typescript, go). Do not…
Skill Claude CodeCodex
Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Trigger only when the user explicitly asks to threat model a codebase or path, enumerate threats/abuse paths, or perform AppSec threat modeling.…
Skill Claude CodeCodex
Comprehensive SEO auditing covering crawlability, indexation, speed, on-page optimization, and content quality. Use when auditing a website's SEO, reviewing technical SEO foundations, checking meta tags, analyzing page speed, or when the user says "SEO audit", "check SEO", "audit this site", "technical SEO", or…
Skill Claude CodeCodex
Optimize websites for AI search engines (ChatGPT, Perplexity, Gemini, Copilot, Claude) and traditional search. Covers GEO methods, schema markup, entity engineering, and platform-specific strategies. Use when optimizing for AI citations, implementing schema, running GEO audits, or when the user says "GEO", "AI…
Skill Claude Code
Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json file. Also triggers for…
Skill Claude Code
Runs the rest of a /shell request as a literal shell command. Use only when the user explicitly invokes /shell and wants the following text executed directly in the terminal.
Skill Claude CodeCodex
Frame any technical answer as a reproducible five-part diagnosis. Use when the user asks for a root-cause explanation, a fix proposal, a debugging write-up, or says "explain why", "what's the problem", "propose a fix", or invokes /simple. Forces the answer into: problem, evidence, proposal, mechanism, test methodology.
Skill Claude CodeCodex
Skill "simple" from Kevin-Liu-01/Agent-Machines, covering simple, contract, rules, when to use and when not to use.
Skill Claude CodeCodex
Security auditor for agent skills. Run before installing any new skill from skills.sh, GitHub, or any source. 6-step vetting protocol covering typosquatting, permissions, dependencies, prompt injection, network exfiltration, and content red flags. Use when about to install a skill, reviewing a SKILL.md, auditing…
Skill Claude CodeCodex
Create, test, and iteratively improve agent skills with structured evaluation. Use when creating a new skill, turning a workflow into a skill, improving an existing skill, or when the user says "create a skill", "make a skill", "turn this into a skill", "skill for X", or "improve this skill." Based on…
Skill Claude Code
Interact with Slack workspaces using browser automation. Use when the user needs to check unread channels, navigate Slack, send messages, extract data, find information, search conversations, or automate any Slack task. Triggers include "check my Slack", "what channels have unreads", "send a message to", "search Slack…
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: