Best backend and API skills, page 9

Privacy and security compliance scanner for the Finance Guru repo.

AojdevStudio/Finance-Guru

Guidance for Groovy 5 work in Grails projects: syntax, closures, traits, DSLs, metaprogramming, Spock tests, static compilation and Java 21 integration.

apache/grails-core

Build multi-platform chat bots with Chat SDK (chat npm package).

databuddy-analytics/Databuddy

Manages a SublinkPro proxy subscription server through natural language, adding nodes, building subscriptions and share links, and editing templates and tags.

ZeroDeng01/sublinkPro

Guide a user end-to-end through setting up Chrome Web Store API release automation in any repository.

brianlovin/agent-config

A skill your agent uses when running the Nango application locally for development and browser testing - covers Docker services, dev commands, service URLs, and troubleshooting startup issues

NangoHQ/nango

Security audit of Solidity code while you develop. An agent skill from Gabson0x/bountyforge.

Gabson0x/bountyforge

Land a PR that requires a coordinated ts-mono submodule change.

UKGovernmentBEIS/inspect_ai

Xilinx 全工具链综合助手，覆盖从零到一的完整 FPGA/MPSoC 工程构建，包括： - Vivado：硬件设计、Block Design、IP 配置、XDC 约束、综合实现、比特流生成 - Vitis HLS：C/C++ 高层次综合，生成自定义 IP 核 - Vitis Unified IDE（2022.x+）：嵌入式软件开发，Platform/Domain/Application…

QingquanYao/xilinx-skill

A skill your agent uses for Laravel Wayfinder which auto-generates typed functions for Laravel controllers and routes.

slimani-dev/muraqib

Forward-ports or backports a single PR or branch onto the currently checked-out Saleor branch, handling GraphQL version markers and migration numbering along the way.

saleor/saleor

Operates a mailbox from the terminal with the external Himalaya CLI over IMAP, SMTP, Notmuch or Sendmail, separate from any built-in email gateway adapter.

Prismer-AI/PrismerCloud

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

huangjia2019/claude-code-engineering

Keyboard shortcut conventions for Supabase Studio. An agent skill from supabase/supabase.

supabase/supabase

A skill your agent uses when contributing to InsForge's product documentation in this repository.

InsForge/InsForge

A skill your agent uses whenever the user wants to write, scaffold, or build a Solana smart contract or program from scratch.

Frankcastleauditor/safe-solana-builder

Inspect what a Laravel request actually did — queries, exceptions, timing, cache, auth, views — by reading the profiling data Laravel Debugbar already captured, via Artisan commands.

hexlet-volunteers/hexlet-sicp

Scaffold and implement authentication in TypeScript/JavaScript apps using Better Auth.

deadlock-mod-manager/deadlock-mod-manager

Integrates MetaMask Embedded Wallets (Web3Auth) for non-custodial wallets via social login or custom JWT (Firebase, Auth0, Cognito).

Web3Auth/web3auth-examples

A skill your agent uses when building, wiring, reviewing, or debugging MailTime and ostrio:mailer email queues for horizontally scaled Node.js, Bun, or Meteor apps.

veliovgroup/mail-time

A skill your agent uses when asked to perform any of the following actions in a Java project: - To add jspecify support - To prevent NullPointerExceptions - To better handle Nullability This skill…

sivaprasadreddy/sivalabs-agent-skills

Verify fal app behavior end to end: deploy aliases, test public websocket endpoints, and inspect live runners.

daydreamlive/scope

Write correct and complete RSpec tests for Doorkeeper. An agent skill from doorkeeper-gem/doorkeeper.

doorkeeper-gem/doorkeeper

Build consistent, accessible UIs in Rails using maquinacomponents.

maquina-app/maquina_components

Java logging best practices with SLF4J, structured logging (JSON), and MDC for request tracing.

decebals/claude-code-java

Routine update of all project dependencies — uv itself, uv.lock (all groups), tool versions pinned in GitHub workflows and .pre-commit-config.yaml (uv, ruff, mypy...), and SHA-pinned GitHub Actions.

alorence/django-modern-rpc

TanStack Query (React Query) best practices for data fetching, caching, mutations, and server state management.

DeckardGer/tanstack-agent-skills

The agent's persistent long-term memory — the only knowledge that survives across sessions, shared across the fleet under access control.

caura-ai/caura

Walks you through designing a new sync for a Notion Worker, covering data source, mode, pagination and cursors, and then generates working code.

makenotion/workers-template

Connect, verify, and troubleshoot Xquik's remote MCP server.

Xquik-dev/x-twitter-scraper

Resolve PR review feedback. An agent skill from gmickel/flow-next.

gmickel/flow-next

Add Solar Icons via @solar-icons/cli to any React, Vue, Svelte, Solid, Angular, React Native, Nuxt, Static, vanilla JS, or Laravel Blade project.

saoudi-h/solar-icons

Develop Dominion addon plugins using the DominionAPI. An agent skill from LunaDeerMC/Dominion.

LunaDeerMC/Dominion

Recover unknown QQ Farm ActivityService.Operate protobuf actions from the latest official macOS miniapp client.

xxxscarlxrd404/qq-farm-bot

Runs Slither and Mythril against Solidity contracts to find reentrancy, overflow and access-control bugs before mainnet deployment, then triages and reports findings.

tradecatlabs/vibe-coding-cn

Guides backend development with @podman-desktop/api and the bootc extension's RPC system.

podman-desktop/extension-bootc

Spawn and manage terminal tabs via TabzChrome REST API. An agent skill from GGPrompts/TabzChrome.

GGPrompts/TabzChrome

Guides Stellar blockchain development in Swift using stellar-ios-mac-sdk.

Soneso/stellar-ios-mac-sdk

Build or review caddy-security Caddyfiles and select focused configuration skills.

greenpau/caddy-security

Starts, lists, monitors, waits on and stops long-running background commands through a dedicated set of job-management tools.

YaoApp/yao

R package development guide covering dependencies, API design, testing, and documentation.

ab604/claude-code-r-skills

Comprehensive C and .NET development skill for TSP projects.

querylenshq/ef-querylens

Terminal Vue UI development and review for @simonhe/vue-tui.

Simon-He95/vue-tui

How to reuse ANY integration check's results in a feature via the universal CheckResultsService (apps/api integration-platform).

trycompai/comp

基于 tgf v2（github.com/thkhxm/tgf/v2）用确定性的 tgfctl 工作流创建、验证和维护 Go 游戏服务器项目。

thkhxm/tgf

Agent-to-Merchant (A2M) payments — AI agents complete transactions without checkout, using Snaplii's pre-funded gift cards as a payment rail across 500+ brands.

Snaplii-Inc/agent-to-merchant-payments

Shows how to build composable, context-aware HTTP pipelines in Go using fp-go's ReaderIOResult monad instead of raw net/http calls.

IBM/fp-go

Use this skill as the default XCrawl entry point for direct XCrawl requests, including single-URL fetch, format selection, sync or async execution, and JSON extraction with prompt or jsonschema.

xcrawl-api/xcrawl-skills