Best Building AI agents skills for Claude Code, Codex and other agents.

Design and build AI agents for any domain. An agent skill from shareAI-lab/learn-claude-code.

shareAI-lab/learn-claude-code

Adds persistent memory to AI apps with the Mem0 Python and TypeScript SDKs: store, search, update and delete user memories, with framework integrations.

mem0ai/mem0

Answer questions about the AI SDK and help build AI-powered features.

vercel-labs/ai-facts

Patterns and tested examples for building agents with Pydantic AI: tools, capabilities, structured output, dependency injection, hooks, YAML specs, streaming and testing.

docling-project/docling

Self-evolution engine for agents: studies runtime history for failures and inefficiencies, writes improvements, and syncs with the EvoMap Hub through a local proxy mailbox.

EvoMap/evolver

Reference for building AI agents with the Cline SDK: the Agent runtime, ClineCore sessions, custom tools, plugins, events, providers, scheduling and multi-agent teams.

cline/cline

Create agent skills for Microsoft technologies using official documentation.

MicrosoftDocs/mcp

Teaches the Swarms Python framework: the Agent class, tools, loops, memory and multi-agent structures such as sequential, concurrent and graph workflows.

kyegomez/swarms

Adds optional capabilities to Pydantic AI agents from pydantic-ai-harness, led by Code Mode, which runs many tool calls as one sandboxed Python script.

pydantic/pydantic-ai

Debugs LangChain and LangGraph agents by pulling recent execution traces with the langsmith-fetch CLI and reporting errors, tool calls, timings and token use.

ComposioHQ/awesome-claude-skills

Smoke test the Agent Builder feature branch end-to-end against a hermetic project scaffolded by the skill (linked to the current worktree).

mastra-ai/mastra

Create a new Hindsight-powered subagent with long-term memory.

vectorize-io/hindsight

Patterns for building LLM agents on Trigger.dev tasks: prompt chaining, routing, parallel workers, orchestrator-workers, evaluator loops and human approval gates.

papermark/papermark

Creates a new sample agent in the ADK Python repository — the sample directory, its agent.py, and its README.md — following the conventions the existing samples already use.

google/adk-python

Answers questions about Mobilerun, the LLM-agent framework for automating Android and iOS devices, by pointing the agent to the right page of its v5 documentation.

droidrun/mobilerun

Map of the agent-squad Python framework for async multi-agent orchestration: which agent, classifier, storage and tool provider to pick, and the pitfalls to avoid.

2FastLabs/agent-squad

Reference for building on Microsoft Foundry with the azure-ai-projects Python SDK: project clients, versioned agents, evaluations, connections, datasets and indexes.

microsoft/skills

Add a new self-contained example agent under examples/. An agent skill from GetBindu/Bindu.

GetBindu/Bindu

Helps instrument a custom Python or TypeScript agent to record events for Failproof AI, verify what gets written, and run an evaluator worker that scores the runs.

FailproofAI/failproofai

Migrate existing AI agent projects (LangChain, LangGraph, OpenAI Agents SDK, Claude Agent SDK, CrewAI) to EdgeOne Makers platform conventions.

TencentEdgeOne/edgeone-makers-tools

Base skill for the difyctl CLI: discover a Dify server's operations through help output and run them as commands, always with JSON output.

langgenius/dify

A skill your agent uses for anything involving the Synalinks neuro-symbolic LM framework (Keras-inspired): DataModel/Field/Input, JSON operators (+ & | ^ ~), synalinks.ops…

SynaLinks/synalinks-skills

Guides building on-device multi-agent apps in Swift with the AgentSquad framework: which agent, orchestrator, classifier, storage or voice type fits each situation.

2FastLabs/agent-squad

Build AI agents with Pydantic AI — tools, capabilities (including on-demand loading), workspaces, structured output, streaming, testing, and multi-agent patterns.

pydantic/pydantic-ai

Create new agents in Paperclip with governance-aware hiring.

paperclipai/paperclip

Guides building LobeHub builtin agent tools, from the manifest and execution runtime to executors, chat UI renders and registry wiring.

lobehub/lobehub

This skill should be used when building agent evaluation systems: deterministic checks, regression suites, multi-dimensional rubrics, quality gates, production monitoring, baseline comparison, and…

guanyang/open-agent-hub

Polymarket integration for prediction market trading on Polygon.

Polymarket/agent-skills

Guide to building Node.js and TypeScript apps on the agent-squad package: orchestrator, agent types, classifier routing, storage, retrievers and MCP tools.

2FastLabs/agent-squad

Guides Stripe integration decisions — API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, Treasury financial…

kanchengw/cnllm

Scans Python agent code for framework imports and recommends the matching Omnigent executor type, or says when the framework is not natively supported yet.

omnigent-ai/omnigent

This skill guides building AI agent endpoints on EdgeOne Makers — five framework routes (DeepAgents, LangGraph, CrewAI, OpenAI Agents SDK, Claude Agent SDK), platform-injected context.store /…

TencentEdgeOne/edgeone-makers-tools

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

Create, inspect, and safely update project-scoped ReachAI Agents; edit and publish Supervisor config drafts; discover published bindable Skills; and attach or detach exact Skill versions through the…

w8123/EnterpriseAgentFramework

Deposit and bridge funds into a wallet or protocol using Swapper Finance.

swapperfinance/swapper-toolkit

Writes and validates a complete FlowCraft agent deployment: deploy.yaml, runtime settings, resource sub-documents and graph JSON, checked against a structural validator.

GizClaw/flowcraft

Edit, validate, debug, publish, and inspect ReachAI Workflow drafts through the Workflow AI Coding REST API.

w8123/EnterpriseAgentFramework

A Chinese-language guide and reference for building agents with LangGraph 1.0, from a first ReAct agent through middleware, memory, MCP, RAG and web search.

luochang212/dive-into-langgraph

Upgrades a pinned agent SDK in the agor project, such as the Claude, Codex or Gemini CLI one, and plans the release that carries it to packaged installs.

preset-io/agor

Guide for upgrading Stripe API versions and SDKs. An agent skill from kanchengw/cnllm.

kanchengw/cnllm

Create a new custom agent from scratch. An agent skill from gnekt/My-Brain-Is-Full-Crew.

gnekt/My-Brain-Is-Full-Crew

Comprehensive guide for building Agentic RAG systems using Microsoft Agent Framework in C.

shuyu-labs/WebCode

Generate or convert Claude Code prompt files — command orchestrators, skill files, agent role definitions, or style conversion of existing files.

catlog22/Claude-Code-Workflow

A skill your agent uses when wrapping CLI binaries in JavaScript, automating shell workflows in TypeScript, composing multiple CLIs into scripts, or building agent tool-use.

millionco/cli-to-js

Explain the IM+Agent framework: create+send as minimal primitives, IM system vs agent loop separation, message vs llmHistory, and the recursive property.

chmod777john/swarm-ide

Create, build, deploy, and localize declarative agents for M365 Copilot and Teams.

microsoft/work-iq

Helps design and build AI agents for any domain around a minimal loop of capabilities, knowledge and context, adding planning or subagents only when needed.

shareAI-lab/lab-skills

This skill should be used when the user wants to "write agent code", "build an agent with ADK", "add a tool", "create a callback", "define an agent", "use state management", or needs ADK (Agent…

pifferologo/cloud-agents-cli