Best backend and API skills, page 4

Build, review, refactor, or architect ASP.NET Core web applications using current official guidance for .NET web development.

fanslead/ReverseProxy.Store

Drive a signed-in Chrome / Brave / Safari session via the interceptor CLI: open/read pages, click, type, inspect DOM/text/network, automate rich browser editors and scene graphs, capture…

Hacker-Valley-Media/Interceptor

Spring Boot 3.x development - REST APIs, JPA, Security, Testing, and Cloud-native patterns.

piomin/claude-ai-spring-boot

Development and review guide for the Fantasy C# distributed game server framework: ECS, FTask, routing, service discovery, config and databases.

qq362946/Fantasy

Local test harness for the Weave router: a docker compose stack plus codex exec runs that confirm how Codex requests are routed, translated and marked.

weave-os/router

Expose Homarr tRPC procedures safely through MCP. An agent skill from homarr-labs/homarr.

homarr-labs/homarr

Uploads one Kleros-related file per paid request to IPFS through the Kleros x402 gateway for 0.01 USDC on Base, returning a CID that Kleros contracts can reference.

internet-court/internet-court-skill

A skill your agent uses whenever a plugin under plugins/<name is updated/pushed, or whenever asked to write a changelog/release for the app or a plugin.

VoidenHQ/voiden

Creates Java + Spring Boot projects: Web applications, full-stack apps with Vue.js or Angular or React or vanilla JS, PostgreSQL, REST APIs, and Docker.

jdubois/dr-jskill

Enhance user prompts by analyzing project context (code structure, dependencies, conventions, existing patterns).

bear2u/my-skills

A skill your agent uses when building the Nango monorepo or verifying TypeScript compilation - covers build commands, project references, common tsc errors, and package dependency order

NangoHQ/nango

Generate hybrid cloud tests for the Sentry codebase. An agent skill from getsentry/sentry.

getsentry/sentry

Regenerate Python + TypeScript gRPC stubs after editing proto files.

GetBindu/Bindu

Design, implement, and verify behavior changes in App-Store-Connect-CLI.

rorkai/App-Store-Connect-CLI

A skill your agent uses for Node.js backend AI via @cloudbase/node-sdk (=3.16.0) — cloud functions, CloudRun, Express/Koa/NestJS, serverless APIs, scheduled jobs, LLM proxies, agent orchestration.

TencentCloudBase/CloudBase-AI-Toolkit

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

kanchengw/cnllm

Answer questions about spatial data using DuckDB. An agent skill from duckdb/duckdb-skills.

duckdb/duckdb-skills

Connect a Feishu (Lark) bot to Clawdbot via WebSocket long-connection.

AlexAnys/feishu-openclaw

Steps for adding or maintaining a WeChat official API in the WxJava SDK, following its Maven multi-module layout, Java 8 compatibility and TestNG test conventions.

binarywang/WxJava

A skill your agent uses when debugging OpenAPI (OAS) issues for a specific API area in Kibana by scoping validation output with one or more --path filters, then separating structural invalid-OAS…

elastic/kibana

A skill your agent uses when the user asks for an AWS architecture diagram — VPC/networking, event-driven, landing zone, multi-AZ, serverless pipeline, or any diagram built with AWS service icons.

sparklabx/drawio-ai-kit

A skill your agent uses whenever the user mentions Microsoft Teams in a development context — whether they're building, integrating, configuring, debugging, or just asking questions.

microsoft/teams-sdk

A skill your agent uses when developing WordPress block themes: theme.json (global settings/styles), templates and template parts, patterns, style variations, and Site Editor troubleshooting (style…

gambitph/Stackable

NestJS backend development patterns for the RedisInsight API: module structure, services, controllers, DTOs, dependency injection, and error handling.

redis/RedisInsight

Create a production-ready Ts.ED platform adapter for a new HTTP framework or runtime, such as Hono, Elysia, Bun.serve, or a Node framework.

tsedio/tsed

Build conversational AI voice agents on the ElevenLabs platform.

jezweb/claude-skills

AWS API Gateway for REST and HTTP API management. An agent skill from itsmostafa/aws-agent-skills.

itsmostafa/aws-agent-skills

Currency handling patterns for the Dinero.js money library. An agent skill from dinerojs/dinero.js.

dinerojs/dinero.js

Work with the QStash JavaScript/TypeScript SDK for serverless messaging, scheduling.

upstash/qstash-js

Guides building, migrating and testing LangBot messaging-platform adapters for the Event-Based Agents layout, with unified event and message conversion.

langbot-app/LangBot

Shows how to subscribe to Trigger.dev task runs from the backend and from React for progress indicators, live dashboards, AI response streams and approval waits.

papermark/papermark

Build anything on Shopify. An agent skill from Shopify/Shopify-AI-Toolkit.

Shopify/Shopify-AI-Toolkit

Aqua is a CLI-first message tool for AI agents. An agent skill from quailyquaily/aqua.

quailyquaily/aqua

Operate Dormice self-hosted agent sandboxes — acquire a sandbox, run commands, move files, tune lifecycle policy — through the official E2B SDKs, the native HTTP API and SDK, or the dor CLI.

BitMiracle-AI/Dormice

Pure-web protocol reverse skill: turn hostile browser clients into browser-free Python collectors.

aoyunyang/spider-king-skill

Go-Spring 项目研发托管入口:一句话诉求经 规划(Plan)→ 执行(Execute)→ 交付(Settle)循环,从工具集(起骨架/加接口/重生成/接组件/补测试)中选取组合并落地。在 Go-Spring 项目中开展任一研发任务时触发;由 Plan 判定是否接管,超范围时放手。

go-spring/go-spring

Sets up a local environment for the WooCommerce block email editor, with a watcher, Mailpit email capture and build and test commands for its PHP and JS packages.

woocommerce/woocommerce

Interact with the Mintlify REST API to manage deployments, trigger builds, and query documentation site metadata programmatically.

macro-inc/macro

This skill should be used when the user asks to "explore the codebase", "understand the architecture", "what functions exist", "show me the structure", "how is the code organized", "find functions…

DmNote-App/DmNote

A skill your agent uses when the user mentions Nubase broadly, wants a backend for an AI-generated app, or needs to deploy/publish generated code online — across Database, Auth, Storage, Assets…

OtterMind/Nubase

Build, customize, and troubleshoot OpenAPI mock servers with @scalar/mock-server, including x-handler, x-seed, authentication, and Docker.

scalar/scalar

Step-by-step checklist for adding a new Policy CRD type to the NGINX Ingress Controller, from the Go types and validation to config generation and templates.

nginx/kubernetes-ingress

Design, start, supervise, inspect, and continue HomeRail DAG workflows from any agent with CLI or HTTP access.

xiaotianfotos/homerail

Build, debug, or review Cloudflare Durable Objects code for persistent state and coordination.

cloudflare/skills

A skill your agent uses for any task or question involving Livewire.

yungifez/skuul

Checklist for reviewing code changes that touch queries, APIs, rendering, caching or algorithms for performance, scalability and resource-usage problems.

ZeroDeng01/sublinkPro

Explain and reason about Dynamic Consistency Boundaries (DCB) and how Axon Framework 5 and Axon Server implement them.

AxonIQ/AxonFramework

Generate API documentation from code. An agent skill from huangjia2019/claude-code-engineering.

huangjia2019/claude-code-engineering