Progressive-disclosure instructions an agent loads on demand. Cheap until invoked, which is why the per-session figure on each card is usually two digits.
Skill Codex
Use when creating, auditing, rewriting, debugging, migrating, or evaluating GPT-5.6 Sol, Terra, or Luna prompt layers, tool descriptions, agent briefs, or prompt stacks; choosing runtime configuration; or comparing controlled prompt candidates.
Skill Claude Code
Design distinctive, on-brand emails — newsletters, campaigns, welcome series, promo, post-purchase, win-back, transactional, announcements. Use when the user wants to draft, write, compose, design, redesign, critique, polish, or improve an email; or send a campaign / blast / broadcast through any ESP (Nitrosend…
Skill Claude Code
Update an OpenSpec change by revising its existing planning artifacts and keeping them coherent with one another. Use when the user wants to revise a change's plan, fold new decisions into it, or reconcile its artifacts after an edit. Never edits code.
Skill Claude CodeCodex
Convert tabular data between CSV, TSV, and JSON Lines. Use whenever the user asks to reformat, convert, or clean a .csv, .tsv, or .jsonl file, or mentions converting between these formats.
Skill Claude CodeCodex
Creates publication-quality scientific figures for academic papers. Backend is chosen by host paper extension — .tex papers get TikZ figures, .typ papers get CeTZ figures; the two are never mixed. Use when creating block diagrams, system architectures, flowcharts, or technical illustrations for papers and theses.…
Skill Claude CodeCodex
Behavioral guidelines to reduce common agent coding mistakes — thinking before coding, simplicity, surgical changes, goal-driven execution, and mandatory verification for data/BI work. Adapted from andrej-karpathy-skills (MIT), with a data/BI engineering layer added. Use this skill whenever writing, editing, or…
Skill Claude CodeCodex
Set up the skills-evals library in a repository — discover agent artifacts, interview the user about what to test, scaffold eval cases, and wire CI and local runners. Use when the user wants to set up skills-evals, test their agent skills, add evals for skills or custom agents, check why a skill isn't triggering, or…
Edmonds-Commerce-Limited/claude-code-hooks-daemon
Skill Claude Code needs its repo
Automated release management - version updates, changelog generation, git tagging, and GitHub release creation.
VibeCodingNights/loop-engineering
Skill Claude CodeCodex
Crystallize a one-line objective into a sub-4k GOAL, scaffold a resumable task-hypergraph workspace on disk, and drive it to completion via PARALLEL map->do->review cycles run as Workflow fan-outs, with adversarial review gates, worktree isolation, and honest pass/fail gates. Use when decomposing a repo / refactor /…
Skill Claude Code
Install, check, repair, or uninstall the native Codex Usage Sidebar companion. Use when the user asks about the Codex usage header indicator, says it disappeared after a Codex update, requests repair, status, installation, or removal, or invokes @codex-usage-sidebar.
Skill Claude Code
The maintainer's handbook for the sonu plugin and the claude-plugins repo. INVOKE whenever authoring, editing, reviewing, or releasing any component in this repo — a skill's SKILL.md, a command file (under sonu/commands/ or .claude/commands/), a manifest, or the README — or when answering how the plugin's pieces fit…
rhyean88/apple-platform-build-tools-claude-code-plugin
Skill Claude CodeCodex
Builds, tests, and archives Swift packages and Xcode projects for Apple platforms. Use when running xcodebuild, swift build, or swift test commands, discovering schemes and targets, or selecting simulator destinations for iOS, macOS, tvOS, watchOS, or visionOS.
Skill Claude CodeCodex
Static malware reverse-engineering and threat-intelligence triage for unknown files, Windows EXE/PE binaries, scripts, archives, ISOs, JavaScript, PowerShell, documents, and unpacked payloads. Use when a user provides a sample path, hash, filename, or file and asks whether it is malicious, benign, suspicious, contains…
Skill Codex
Design, validate, edit, visualize, and execute AgentFlow Markdown-first workflows with deterministic Boolean gates. Use when a task benefits from explicit boxes, arrows, branching, parallel work, resumable progress, or when the user asks to create/modify/run a workflow graph in AgentFlow.
Skill Claude Code
Read an authenticated X Following or For You timeline through agent-browser without APIs or engagement actions.
Skill Claude Code needs its repo
Orchestrate Codex to BUILD code in the background while this Claude Code session (typically Opus) plans and reviews — never babysitting. The session composes the implementation plan, kicks the dev-review runner detached via a background Bash task with --preset codex-build, ENDS ITS TURN, and is woken on exit to run a…
Skill Claude CodeCodex
Use after implementation, before final response.
Skill Claude CodeCodex
A daily report generator that summarizes local activity from Claude Code, Codex, Gemini CLI, and Git, with optional Chinese output.
Skill Claude CodeCodex
Use this skill to audit an AI system for security vulnerabilities including prompt injection, sensitive data exposure, excessive agent permissions, unsafe tool calls, and insecure output handling. Grounded in OWASP GenAI LLM Top 10 (2026). Activates before production deployment of any LLM-based application, agent, or…
wanghao-io/it-infrastructure-equipment-selection-skill
Skill Codex
Portable IT infrastructure solution architect skill for selecting, sizing, validating and budgeting physical infrastructure equipment. Use for guided requirement discovery, scenario-based planning, equipment selection, BOM generation, tender/RFQ compliance and specification generation, project infrastructure planning…
dhruv-anand-aintech/continue-later-skill
Skill Claude CodeCodex
Generate a structured continuation.md for handoffs—project context, state, tasks, gotchas, and deploy steps. Use when the user wants to save state or hand off work (not for quick raw git dumps; use continue-later-fast for that).
infotradescout/Selective-Intelligence
Skill Codex
Use Selective Intelligence for corrections, failures, dissatisfaction, or exact trigger. Activate directly for any user correction, dissatisfaction, failure feedback, the exact words Selective Intelligence, or an unmistakable request for a named responsibility—even when unnamed and in any conversation domain. Use…
Baba01hacker666/gemini-redteam
Skill Claude CodeCodex
Expertise in offensive security research, vulnerability analysis, CMS-focused application testing, and red team operations.
Skill Claude CodeCodex
Use when the user asks about EU AI Act (Regulation 2024/1689) compliance — classifying an AI system's risk tier (art. 5 prohibited / art. 6 + Annex III high-risk / art. 50 limited / minimal), evaluating conformity for high-risk AI (art. 8–17, 26–27), drafting Annex IV technical documentation, conducting a Fundamental…
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: