Best structured output and tool calling skills for Claude Code, Codex and other agents.

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

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

Transforms workflow to use Manus-style persistent markdown files for planning, progress tracking, and knowledge storage.

jarrodwatts/claude-code-config

A skill your agent uses when writing code that calls the Gemini API for text generation, multi-turn chat, multimodal understanding, image generation, video generation, speech generation (TTS), voice…

google-gemini/gemini-skills

Builds, modifies, debugs, migrates and verifies TypeScript MCP servers and MCP Apps with the mcp-use framework, treating the installed package's types as the source of truth.

mcp-use/mcp-use

TRIGGER when working with ai-sdk which is Laravel official first-party AI SDK.

trypostit/trypost

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

pydantic/pydantic-ai

A skill your agent uses when building real-time, bidirectional streaming applications with the Gemini Live API, or migrating legacy Live models (2.0/2.5/3.1) to Gemini 3.8 Live.

google-gemini/gemini-skills

Autonomous performance optimization: research, PoC, benchmark, implement, review, PR

raullenchai/Rapid-MLX

Synthesize training data for ANY tool-use / agentic benchmark, in ANY repo.

sunny-glow/Auto-BenchMax

Builds a Verifiers (PrimeIntellect) variant of an RL environment.

adithya-s-k/FineEnvs

Design and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates.

KartikLabhshetwar/mind-mentor

This skill should be used for project-level decisions about LLM-powered systems: whether an LLM is the right primitive for the task at hand, the shape of a multi-stage batch or agent pipeline, token…

guanyang/open-agent-hub

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

wshobson/agents

Run and report repository model or provider-mapping benchmarks.

theopenco/llmgateway

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

mastra-ai/mastra

Reference for all AI tools available in DBX Studio's AI chat system.

Dbxstudio/dbx-studio

A skill your agent uses whenever the user wants to build or modify a chat, agent, or tool-calling UI in a React 19 + Tailwind v4 project — especially if the code imports from…

21st-dev/agent-elements

Add or modify an AI chat tool ("Ask Ryo" capability) in ryOS.

ryokun6/ryos

LLM provider initialization for bridgic projects. An agent skill from bitsky-tech/bridgic.

bitsky-tech/bridgic

A skill your agent uses when you need to store, retrieve, search, or manage documents in a local knowledge base with semantic search and hybrid (vector + full-text) retrieval.

andrea9293/mcp-documentation-server

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

This skill should be used for the tool-interface layer of an agent system specifically: writing tool descriptions agents can route on, designing tool schemas and response formats, naming…

guanyang/open-agent-hub

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

Drive Anthropic's Claude Code CLI (claude -p) as a non-interactive coding sub-agent from inside Codex.

kortix-ai/suna

Record real OpenAI/Anthropic HTTP back-and-forth (requests + responses, including streaming text/event-stream) and print paste-ready Swift fixtures for SwiftAgent unit tests (ReplayHTTPClient) using…

SwiftedMind/SwiftAgent

Analyzes Android codebases to implement ML Kit GenAI Prompt API.

rosuH/EasyWatermark

Call the free Agnes text model API for chat completions, streaming answers, coding help, tool-calling experiments, and OpenAI-compatible text generation.

kangarooking/agnes-free-model-skills

Builds AI agents on the Convex agent component: threads, messages, tools that call queries and mutations, streaming, RAG with vector search, and workflows for multi step jobs.

waynesutton/builder-skills

MLX Swift LM - Run LLMs and VLMs on Apple Silicon using MLX.

kellyvv/PhoneClaw

Migrate Python apps from Azure OpenAI Chat Completions to the Responses API.

microsoft/ai-agents-for-beginners

A skill your agent uses whenever writing, modifying, reviewing, or debugging code involving Celeste, celeste-ai, celeste-python, import celeste, src/celeste, or withceleste app integrations.

withceleste/celeste-python

Stop and consult this skill whenever your response would include specific facts about Anthropic's products.

syahiidkamil/Software-Engineer-AI-Agent-Atlas

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

Maintain and extend AFM (maclocal-api), a Swift OpenAI-compatible local LLM server and CLI for Apple Foundation Models, MLX models, API gateway proxying, and Vision OCR.

scouzi1966/maclocal-api

A skill your agent uses when building applications with Gemini API hosted models, including Gemini and Gemma 4, working with multimodal content (text, images, audio, video), implementing function…

Ayuilos/Miffan

Uses the Outlines library to constrain model output to a JSON schema, Pydantic model, regex or fixed set of choices when running local models.

Orchestra-Research/AI-Research-SKILLs

Agnes AI API 接入支持与问题排查 Skill。帮助新用户完成 Agnes AI API 的接入配置， 诊断和解决接入过程中遇到的认证、参数、响应、图像生成、视频生成等各类问题。

lj1270998580-crypto/Agnes-help-skill

Upgrade any Apple Foundation Models Swift app or package from OS 26-era APIs to OS 27 and Xcode 27 APIs.

rryam/FoundationModelsKit

Use FieldFlow to inspect and reduce noisy JSON CLI output before it reaches model context.

guillaumegay13/fieldflow

Memoria REST API endpoints, request/response formats, auth, rate limits.

matrixorigin/memoria

Terminal automation CLI for AI agents. An agent skill from disler/mac-mini-agent.

disler/mac-mini-agent

Designs, tests and refines LLM prompts: zero-shot, few-shot and chain-of-thought patterns, system prompts, structured output schemas and evaluation test suites.

Jeffallan/claude-skills

A skill your agent uses when writing code that calls the Gemini API for text generation, multi-turn chat, multimodal understanding, image generation, video generation, streaming responses…

Ayuilos/Miffan

TanStack AI (alpha) provider-agnostic type-safe chat with streaming for OpenAI, Anthropic, Gemini, Ollama.

secondsky/claude-skills

Author and run multi-agent workflows with the omegacode CLI — JavaScript files that orchestrate Codex (gpt-5.x) and Claude Code agents deterministically via agent()/parallel()/pipeline()/phase().

SawyerHood/omegacode