mdskills

API & Backend skills

REST, GraphQL, server frameworks, middleware, webhooks. All free to download, install any skill with one command.

125 skills in API & Backend

Openapi Spec Generation

Skill

Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API contract compliance.

5.013k1by sickn33

Agents SDK

Skill

Build AI agents on Cloudflare Workers using the Agents SDK. Load when creating stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, or chat applications. Covers Agent class, state management, callable RPC, Workflows integration, and React hooks.

8.07471by cloudflare

N8n Code Python

Skill

Write Python code in n8n Code nodes. Use when writing Python in n8n, using _input/_json/_node syntax, working with standard library, or need to understand Python limitations in n8n Code nodes.

8.03.4k1by czlonkowski

Moodle External API Development

Skill

Create custom external web service APIs for Moodle LMS. Use when implementing web services for course management, user tracking, quiz operations, or custom plugin functionality. Covers parameter validation, database operations, error handling, service registration, and Moodle coding standards.

9.014k1by sickn33

DebtStack.ai Python SDK

Skill

Corporate credit data for AI agents. Equity data is everywhere. Credit data isn't. There's no "Yahoo Finance for bonds." Corporate debt structures, guarantor chains, and covenant details are buried in SEC filings—scattered across 10-Ks, 8-Ks, credit agreements, and indentures. An AI agent trying to answer "which telecom companies have leverage above 5x?" would need to read dozens of filings, extra

8.04001by debtstack-ai

Firecrawl Plugin for Claude Code

Skill

8.04241by firecrawl

Julia Pro

Skill

Master Julia 1.10+ with modern features, performance optimization,

8.014k1by sickn33

Ddd Tactical Patterns

Skill

Apply DDD tactical patterns in code using entities, value objects, aggregates, repositories, and domain events with explicit invariants.

7.014k1by sickn33

Graphql Architect

Skill

Master modern GraphQL with federation, performance optimization,

7.014k1by sickn33

Metatool App

Skill

MetaMCP is a MCP proxy that lets you dynamically aggregate MCP servers into a unified MCP server, and apply middlewares. MetaMCP itself is a MCP server so it can be easily plugged into ANY MCP clients. For more details, consider visiting our documentation site: https://docs.metamcp.com English | 中文 - 🎯 Use Cases - 📖 Concepts - 🖥️ MCP Server - 🔐 Environment Variables \& Secrets (STDIO MCP Serve

8.02.4k1by metatool-ai

Integrate Whatsapp

Skill

Connect WhatsApp to your product with Kapso: onboard customers with setup links, detect connections, receive events via webhooks, and send messages/templates/media. Also manage WhatsApp Flows (create/update/publish, data endpoints, encryption). Use when integrating WhatsApp end-to-end.

8.04371by gokapso

Asana Automation

Skill

Automate Asana tasks via Rube MCP (Composio): tasks, projects, sections, teams, workspaces. Always search tools first for current schemas.

7.014k1by sickn33

DeepSeek MCP-like Server for Terminal

Skill

This project is an MCP‑like server using the DeepSeek API. It aims to demonstrate the core concepts behind the Model Context Protocol (MCP) by exposing endpoints that allow AI assistants to: - List available tools. - Invoke commands on an active shell session. - Integrate with an AI chat (DeepSeek) that can include special instructions (e.g., CMD: lines) to trigger command execution. - Chat Interf

7.03651by OthmaneBlial

Azure AI Translation Ts

Skill

Build translation applications using Azure Translation SDKs for JavaScript (@azure-rest/ai-translation-text, @azure-rest/ai-translation-document). Use when implementing text translation, transliteration, language detection, or batch document translation.

7.014k1by sickn33

Notion Automation

Skill

Automate Notion tasks via Rube MCP (Composio): pages, databases, blocks, comments, users. Always search tools first for current schemas.

8.014k1by sickn33

Scala Pro

Skill

Master enterprise-grade Scala development with functional

6.013k1by sickn33

Intercom Automation

Skill

Automate Intercom tasks via Rube MCP (Composio): conversations, contacts, companies, segments, admins. Always search tools first for current schemas.

9.014k1by sickn33

Winx - High-Performance Rust MCP Server ✨

Skill

🚀 1:1 Optimized Rust Implementation of WCGW (What Could Go Wrong) 🚀 Winx is a specialized Model Context Protocol (MCP) server that provides high-performance tools for LLM code agents. It implements the core functionality of WCGW in pure Rust for maximum efficiency and stability. Benchmarks on i9-13900K + RTX 4090 (WSL2) - Rust 1.75+ - Linux / macOS / WSL2 Add to ~/.config/Claude/claudedesktopcon

7.0374by gabrielmaialva33

Dbos Python

Skill

DBOS Python SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Python code with DBOS, creating workflows and steps, using queues, using DBOSClient from external applications, or building applications that need to be resilient to failures.

6.013kby sickn33

Saga Orchestration

Skill

Implement saga patterns for distributed transactions and cross-aggregate workflows. Use when coordinating multi-step business processes, handling compensating transactions, or managing long-running workflows.

8.014kby sickn33

Freshservice Automation

Skill

Automate Freshservice ITSM tasks via Rube MCP (Composio): create/update tickets, bulk operations, service requests, and outbound emails. Always search tools first for current schemas.

8.014kby sickn33

Ddd Context Mapping

Skill

Map relationships between bounded contexts and define integration contracts using DDD context mapping patterns.

6.013kby sickn33

Async Python Patterns

Skill

Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.

6.013kby sickn33

AGENIUM

Skill

Stateful agent-to-agent communication client for the agent:// protocol. AGENIUM provides identity, discovery, and messaging for AI agents. Think of it as DNS + HTTP for agents — each agent gets a unique agent://name URI and can discover and communicate with other agents. Choose from 3 templates: echo (hello world), tools (tool-calling), api (REST gateway). - agent:// Protocol — Unique agent identi

5.0252by Aganium