Backend and APIs skills

13,242 tagged Backend and APIs, measured the same way as everything else here.

Browse within: LLM 148agents 117skills 114agent 88agentic-ai 85api 80azure 68antigravity 66ai-coding 63claude-code-plugin 61cursor 54cli 53cybersecurity 53javascript 52

claude-api

530

KUP-IP/the-bridge

Skill Claude CodeCodex

Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports anthropic/@anthropic-ai/sdk; user asks for…

not rated 9 29d ago A 193 tokens

get-dx/cli

Skill Claude CodeCodex

Adds a dx-cli subcommand from a DX Web API method docs page—fetch docs, stub Commander hierarchy, implement request/options, verify with make and --help. Use when the user provides or wants a https://docs.getdx.com/webapi/methods/ URL, asks to scaffold or implement a CLI command for a Web API method, or says "create…

not rated 9 2d ago A 84 tokens

liveblocks/skills

Skill Claude CodeCodex

Use this skill when building, debugging, or answering questions about Liveblocks. Liveblocks gives you the building blocks and infrastructure to enable people and AI to work together inside your app, powering realtime collaboration. Liveblocks features include collaboration, rooms, organizations, workspaces, comments…

not rated 9 +1 1mo ago A Socket: passSnyk: pass 186 tokens original Apache-2.0

cloud-api

533

wsadexq/refactored-system

Skill Claude CodeCodex

A tool for connecting DJI industry equipment to cloud platforms through DJI Cloud API. It covers devices such as drone docks, DJI Pilot, remote controllers, and drones.

not rated 9 changed 1mo ago A 128 tokens

omie-mcp

535

mcp-dir/omie-mcp

Skill Claude CodeCodex

Skill da REST API do Omie na MCP.AI: 44 endpoints em /api/omie. Gestão financeira e contábil na Omie (líder de ERP em nuvem no Brasil), contas a pagar/receber, movimentos financeiros, conciliação, contas correntes, clientes/fornecedores e NF-e, via API oficial JSON (app.omie.com.br). Lê e também lança e edita contas a…

not rated 8 2mo ago A SkillSpector: warn 182 tokens original MIT

api-integration

536

ChangooLee/mcp-kr-legislation

Skill Claude CodeCodex

A reference for connecting the Korean Ministry of Government Legislation's Open API to an MCP project. It explains the law-search and law-service endpoints and how request parameters select their functions.

not rated 8 6mo ago A 53 tokens

agentic-dns

538

dedsecorg/agentic-dns

Skill Claude CodeCodex

Agentic AI-native multi-tier DNS routing, live packet tracing, and failover bypass engine for Pi-hole, CoreDNS, dnsdist, Unbound, Stubby, DNSCrypt-Proxy, and VPN DNS.

not rated 8 yesterday A SkillSpector: pass 48 tokens original MIT

fastmcp-builder

539

husniadil/fastmcp-builder

Skill Claude CodeCodex

Build production-ready MCP servers using FastMCP framework with proven patterns for tools, resources, prompts, OAuth authentication, and comprehensive testing. Use this when creating FastMCP-based MCP servers with features like Google OAuth, multiple resource types, testing with FastMCP Client, or complex tool…

not rated 8 1y ago A 64 tokens original MIT

apiclaw

540

nordsym/apiclaw

Skill Claude CodeCodex

Set up APIClaw and land one live API execute. When a user says "set up https://apiclaw.cloud/SKILL.md", or you need a research API call without collecting provider keys, follow this file. Auth is Clerk via npx @nordsym/apiclaw auth login. Confirm with npx @nordsym/apiclaw auth whoami before any execute. Execution is…

not rated 8 changed 3d ago C 123 tokens original MIT

Automated Actions

541

havmedia/odoo-boost

Skill Claude CodeCodex

Create automated actions (base.automation) and server actions in Odoo.

not rated 8 8mo ago A 19 tokens

custom-drupal-module

542

ablerz/claude-skill-drupal-module

Skill Claude CodeCodex

Generate complete, installable Drupal 11 modules. This plugin transforms Claude into a senior Drupal architect with deep knowledge of Drupal 11 core APIs, modern development patterns, and best practices.

not rated 8 5mo ago B 42 tokens GPL-2.0

httap

543

mtford90/httap

Skill Claude CodeCodex

Use httap to inspect, filter, and intercept HTTP traffic. Activate when httap MCP tools are available or when the user mentions HTTP traffic, API debugging, request interception, or mocking.

not rated 8 19d ago A SkillSpector: pass 0 tokens original MIT

wispbit-ai/skills

Skill Claude CodeCodex

GraphQL performance optimization and best practices for building scalable APIs. This skill should be used when writing, reviewing, or refactoring GraphQL schemas, resolvers, or query execution code. Triggers on tasks involving GraphQL APIs, resolver optimization, query performance, or data fetching patterns.

not rated 8 8mo ago A 65 tokens

laravel-upgrade

545

majdghithan/agent-skills

Skill Claude CodeCodex

Upgrade a Laravel application across major versions safely (Laravel 8 -> 9 -> 10 -> 11 -> 12 -> 13), one hop at a time. Use when upgrading Laravel, when a composer update fails after a major bump, when deciding whether to hop versions by hand or pay for Laravel Shift, or when something compiled fine but broke at…

not rated 8 1mo ago A 0 tokens original MIT

apk-api-mapper

546

11philip22/api-mapper-skill

Skill Codex

Reverse-engineer and document the network APIs used by an Android APK or JADX project. Trace endpoints, clients, authentication, serialization, signing, and multi-step flows from the app's primary implementation: use hermes-dec for React Native Hermes bundles, direct source analysis for plain JavaScript bundles, dnSpy…

not rated 8 changed 1mo ago A 146 tokens

design-graph

547

widnyana/eyay-toolkits

Skill Claude Code

Design Graph: the interface method. Job → Flow → Surface : surfaces, content (C), void states (V: empty, loading, partial, error, denied), needs (N), field boundaries, motion layers, attention scope, proof by swapping N. Use when designing or reviewing screens, flows, or components.

not rated 8 changed 7d ago A 73 tokens original MIT

chargebee-integration

548

chargebee/ai

Skill Claude CodeCodex

Comprehensive integration guide for Chargebee billing platform. Provides API integration patterns, webhook handling, SDK usage, and schema references for billing operations. Use when working with Chargebee for (1) API integration and REST endpoint calls, (2) Processing webhook events, (3) Customer management…

not rated 8 2mo ago A 93 tokens

api-to-example

549

surfmind-space/awesome-surfmind

Skill Claude CodeCodex

Turns REST API documentation into a runnable curl, fetch, or code example with required headers, request body, and placeholders for secrets. Use when the user wants to generate a request from API docs, an endpoint, or a Swagger/OpenAPI spec — "give me a curl for this", "show a fetch example", "how do I call this API".

not rated 8 +1 16d ago A 75 tokens original MIT

improve-backend-code

550

furqanistic/aura-skills

Skill Codex

Backend code quality for clean, production-ready, maintainable code. Adapts to the existing language, framework, and style. Covers functions, reusability, modern syntax, error prevention, readability, and security awareness. Use when writing, reviewing, or refactoring backend code for quality, maintainability, or…

not rated 8 8d ago A 72 tokens original MIT

regyssilveira/AgentKit4D

Skill Claude CodeCodex

Desenvolvimento de microserviços e APIs REST com o framework minimalista Horse em Delphi. Rotas, controllers, middlewares, gerenciamento de memória e tratamento de parâmetros.

not rated 8 3mo ago A 43 tokens

endpoint-resolver

552

microsoftgraph/dev-skills

Skill Claude CodeCodex ✓ vendor

USE FOR: Determine the exact Microsoft Graph endpoints and least-privileged permissions needed for a use case and auth context. Identify operation, find docs, copy endpoint, validate permission, and return table with endpoints and permissions. DO NOT USE FOR: Non-Microsoft Graph scenarios. INVOKES: None.

not rated 8 2mo ago A 65 tokens

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: