Best prompt engineering skills for Claude Code, Codex and other agents.

Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.

anthropics/claude-plugins-official

Turns a rough idea into one ready-to-paste prompt tuned for a specific AI tool such as an LLM, Cursor, Midjourney or a video model.

nidhinjs/prompt-master

Reference of Claude API examples and guides covering tool use, vision, RAG, classification, summarization, text-to-SQL, prompt caching and agent patterns.

2025Emma/vibe-coding-cn

This skill enriches vague prompts with targeted research and clarification before execution.

severity1/claude-code-prompt-improver

A skill your agent uses when English text must be parsed without a human to resolve ambiguity — tool descriptions, error messages, inter-agent instructions, system prompts, status reports — and…

danyuchn/asd-ste100-skill

Routes Seedance 2.0 video work across Dreamina, API and router surfaces, covering prompts, reference handling, audio and lip-sync, pricing and model-ID questions.

Emily2040/seedance-2.0

Rewrites Seedance 2.0 video prompts that name characters, brands, celebrities, songs or real people into original, rights-safe versions that keep the creative intent.

Emily2040/seedance-2.0

A skill your agent uses when designing, generating an MVP blueprint for, auditing, troubleshooting, refactoring, or explaining an agentic harness for any domain.

DenisSergeevitch/agents-best-practices

Master advanced prompt engineering techniques to maximize LLM performance, reliability, and controllability in production.

ynulihao/AgentSkillOS

Create and register new patches for tweakcc. An agent skill from Piebald-AI/tweakcc.

Piebald-AI/tweakcc

Diagnoses where an agent failed across runs and turns the findings into new skills, system prompt patches and knowledge entries, using the A-Evolve loop.

aiming-lab/AutoResearchClaw

Analyzes a reference image and writes a prompt that could recreate it in an AI image generator, focusing on the visual traits that most affect similarity.

wuyoscar/GPT-Image2-Skill

Provides Japanese prompt patterns and safe example rewrites for Seedance 2.0 video generation, with reference tags kept intact and each example labeled by risk.

Emily2040/seedance-2.0

Analyzes and improves prompts using 31 frameworks across 7 intent categories.

ckelsoe/prompt-architect

Building applications with Large Language Models - prompt engineering, RAG patterns, and LLM integration.

MoizIbnYousaf/ai-agent-skills

Provides reference guides and Python scripts for prompt optimization, RAG evaluation, and agent orchestration when building or tuning LLM systems.

maslennikov-ig/claude-code-orchestrator-kit

Analyze a reference video and reverse-engineer its style into a reusable Seedance 2.0 prompting template.

krusemediallc/arcads-claude-code

Korean-language prompt patterns for Seedance 2.0 video generation, each labeled as safe, needing an owned reference, or requiring a rewrite.

Emily2040/seedance-2.0

Model-agnostic workflow for AI image and video projects: prompt writing, tracking of assets and shots, continuity checks and diagnosis of failed generations.

renmu2017/Hell-Grind-AIGC-Skill

Adding a Community Agent Skill: a Markdown attack-workflow file that users import from the catalog, which then competes in the Intent Router and is injected into the agent's system prompt.

samugit83/redamon

Guided workflow for authorized penetration testing, vulnerability validation, security reporting, CTF/local sandbox reverse engineering, and user-directed vulnerability research.

lingbol088-spec/ReiPenFlow

Apply a Claude Fable 5 inspired operating style inside Codex.

baskduf/FableCodex

Installs an always-on set of rules into your agent's workspace config that cuts filler, hedging and padded closings from its replies.

hexiecs/talk-normal

Supplies Chinese example prompts for Seedance 2.0 video generation, labeled by safety, with notes on rewriting prompts that name protected people or brands.

Emily2040/seedance-2.0

Reference for designing and tuning production LLM prompts: few-shot examples, chain-of-thought, structured outputs, templates and system prompts.

wshobson/agents

This skill should be used when the user asks to "create a new prompt sample", "add a new prompt sample", "scaffold a new prompt sample", "create a prompt contribution", "add a prompt", or needs to…

pnp/copilot-prompts

Guides edits to cc-wf-studio's workflow schema so AI agents generate better workflows, treating schema text as prompt engineering rather than validation.

breaking-brake/cc-wf-studio

Universal quality bar and final audit rubric for any agent system prompt.

mastra-ai/mastra

Installs a set of rules into AGENTS.md that strips filler, hedging and padded closings from your agent's replies, in English and Chinese.

hexiecs/talk-normal

Build, modify, audit, repair, optimize, debug, and deploy agents with Agentforce Agent Script.

SalesforceAIResearch/agentforce-adlc

Write and run custom Pi prompt templates (slash commands) for this extension.

nicobailon/pi-prompt-template-model

Lays out a minimal, iteration-first approach to writing system prompts for LLM agents, with model-specific notes for Claude, GPT, Gemini, and Codex.

cashew-labs/libretto

Gather domain context about the repository and agent — system prompt, tool definitions, domain docs, and behavior patterns from traces.

kayba-ai/agentic-context-engine

A skill your agent uses when writing or reviewing AI agent configs, system prompts, or tool definitions (JSON/YAML/Python) and you need to catch ambiguous tool descriptions, missing stop conditions…

hermes-labs-ai/lintlang

Turns a vague video idea into a seven-section prompt that reads like real home-video, phone, DV or surveillance footage, with checks against an AI-look checklist.

zhouwei713/seedance-prompt

Inspect or modify Letta Code's own memory, model, context window, system prompt, compaction, permissions, toolsets, mods, skills, channels, schedules, agent secrets, and local runtime settings.

letta-ai/letta-code

Writes, optimizes, compresses or audits prompts and Skill instructions for GPT-6 Astra, delivering a copyable prompt by default without executing the task it describes.

gnipbao/gpt6-prompt-writer

Defines practical standards for implementation-focused coding agents.

repowise-dev/claude-code-prompts

Audit an agent's context layout against the four places: system prompt, tools, history, tail.

undefined-ui/second-brain-os

Build complete, working voice agent applications using the gradbot framework.

gradium-ai/gradbot

Create an end-to-end Continual Learning Bench task. An agent skill from melandlabs/openloomi.

melandlabs/openloomi

Write prompts, system instructions, agent directives, slash commands, and skill descriptions using two stacked layers — outcome-first (define the destination, success criteria, stopping condition)…

kingbootoshi/directional-prompting

Generates or edits images with GPT Image 2 through an OpenAI-compatible API, or falls back to writing finished prompts from a library of structured templates.

ConardLi/garden-skills

Plans, writes prompts for, renders and audits academic figures from repos, papers or notes, with an option to turn rendered text into editable PowerPoint.

Azhi-ss/academic-figure-skills

This skill should be used when the user asks to "create an agent instruction", "add agent instructions", "scaffold an agent sample", "create a system prompt sample", "add a system prompt", "create a…

pnp/copilot-prompts

Rewrites Seedance 2.0 video prompts to replace filler, hollow superlatives and vague cinematic wording with production-specific detail while keeping the user's style.

Emily2040/seedance-2.0

Audit a named AI agent config, system prompt, tool-definition or instruction file (YAML, JSON, Markdown, text, or Python) with the released LintLang CLI, on request.

hermes-labs-ai/lintlang

AI image editing prompting patterns for Qwen-Image-Edit. An agent skill from digitalsamba/claude-code-video-toolkit.

digitalsamba/claude-code-video-toolkit