Best backend and API skills, page 23

Solidity templates for DeFi building blocks: staking with reward distribution, an automated market maker, governance tokens and flash loans.

wshobson/agents

Scaffolds FastAPI projects with a layered app layout, dependency injection through Depends, async handlers and database access, middleware and pytest setup.

wshobson/agents

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management.

wshobson/agents

Reference for building payment systems that meet PCI DSS: the 12 requirements, merchant levels, data that must never be stored, tokenization and encryption.

wshobson/agents

Design durable workflows with Temporal for distributed systems.

wshobson/agents

Create/modify/debug platform check. An agent skill from MaterializeInc/materialize.

MaterializeInc/materialize

Auto-generate API documentation from code and comments. An agent skill from alirezarezvani/claude-code-tresor.

alirezarezvani/claude-code-tresor

Audit type ownership and boundary placement in the compartment repo: misplaced or duplicated types, query/service leaks, root export surface, and phased move plans.

compartmentdev/compartment

Work with DiscordPHP's infrastructure utilities — CacheWrapper, CacheConfig, BigInt, Multipart, Endpoint::bind URL templates, Collection base class, and domain Exceptions.

discord-php/DiscordPHP

Provides domain-specific best practices for Node.js development with TypeScript, covering type stripping, async patterns, error handling, streams, modules, testing, performance, caching, logging…

HsienW/chat-gun

bkend.ai project tutorials (todo to SaaS) and common error troubleshooting.

ww-w-ai/bkit-claude-code

Mandatory human-intervention gate for critical Azure Functions Node.js worker code.

Azure/azure-functions-nodejs-worker

Backend API design, database architecture, microservices patterns, and test-driven development.

MoizIbnYousaf/ai-agent-skills

Guide for creating a new policy engine under openbias/policy/engines/

open-bias/open-bias

Guide for building React applications with Apollo Client 4.x.

apollographql/skills

Build modals/dialogs self-contained: form and in-flight state lives inside, closing unmounts it.

UsefulSoftwareCo/executor

Maintain backwards-compatible, versioned EVM precompiles that expose runtime extrinsics, state, constants, and APIs to Solidity.

RaoFoundation/subtensor

Debugger-first runtime root-cause analysis for JVM code in IntelliJ IDEA.

xpinjection/test-driven-spring-boot

Enforce hexagonal architecture in the Rust backend. An agent skill from macro-inc/macro.

macro-inc/macro

A skill your agent uses when generating, modifying, or reviewing PinMe Worker (Cloudflare Worker TypeScript) code that accepts payments through UniwebPay — payment links, products/prices, checkout…

glitternetwork/pinme

Design or review REST/GraphQL APIs when endpoints or contracts change.

KbWen/agentic-os

A skill your agent uses when working on Gryph's AARM security layer or policy engine.

safedep/gryph

Analyze Django Silk profiling data to debug slow requests, detect N+1 queries, and optimize database performance.

letsrevel/revel-backend

Interact with Counterfact mock API server programmatically. An agent skill from counterfact/api-simulator.

counterfact/api-simulator

Audits email domain deliverability setup (SPF, DKIM, DMARC, MX records, blacklists, TLS) and generates health score (0-100) with prioritized fix list.

AgriciDaniel/claude-email

Ask questions and read documentation about any GitHub repository using DeepWiki MCP.

holon-run/uxc

Add a new Rome-managed OAuth integration for a third-party service so a user can delegate access by clicking Connect, and Rome can act on the service with the delegated token (the GitHub/Slack model…

rome-os/rome

When the user needs to design or evaluate system architecture — service boundaries, data models, API contracts, infrastructure topology, database selection, or dependency analysis.

shawnpang/startup-founder-skills

Guides building C# and .NET apps on the Tiger Brokers OpenAPI SDK: setup, market data, orders, accounts, options and real-time push, defaulting to paper trading.

qusong0627/QuantMind

Manage Trello boards, lists, and cards via the Trello REST API.

trpc-group/trpc-agent-go

DCE-safe require() patterns and edge runtime constraints. An agent skill from vercel/next.js.

vercel/next.js

V8 JIT optimization patterns for writing high-performance JavaScript in Next.js server internals.

vercel/next.js

A skill your agent uses when building a new Butterbase app from scratch, creating a full-stack application, or when the user asks to set up a complete backend with database, auth, and deployment

butterbase-ai/butterbase-skills

A skill your agent uses when developing or modifying Copier templates in aegis/templates, or backporting a change from a generated project (e.g.

lbedner/aegis-stack

Documentation of the HTMX admin GUI including template rendering, session management, CRUD patterns, and the GUIHandler structure.

gjovanovicst/golang-auth-api

Sets up and troubleshoots MCP API key authentication for a stock data service, covering key creation, client configuration and per-tool usage statistics.

Yourdaylight/stock_datasource

System Bridge Go backend conventions - error wrapping, graceful degradation for data modules, nil-pointer safety, context-aware Module.Update, structured slog logging, and errcheck-clean deferred…

timmo001/system-bridge

Refine and triage GitHub backlog by finding open issues that are stale, obsolete, or resolved by another path.

axelixlabs/axelix

Expert guide for Backend.AI distributed computing platform. An agent skill from lablup/backend.ai-webui.

lablup/backend.ai-webui

Help users implement ERC-4337 Account Abstraction with Nethereum — send UserOperations, use smart accounts, route contract calls through a bundler, enable gasless transactions, or work with AA in…

Nethereum/Nethereum

Answer a question from the AKB vault — decompose, search (hybrid / graph), ground in compiled-truth-over-timeline precedence, and synthesize a cited answer with gap/conflict/stale flags.

dnotitia/akb

A skill your agent uses when changing API/DTO/schema/wire-format contracts, SSE/event payloads, shared protocol packages, or producer/consumer mappings across MahoShojo-Generator runtimes.

RunoreLab/MahoShojo-Generator

Guidance for building and debugging durable background jobs in Elixir with Oban and Oban Pro, covering serialization, retries, uniqueness, chaining, chunking and workflows.

georgeguimaraes/elixir-agent-tools

Deploy Rails applications to Railway. An agent skill from clacky-ai/openclacky.

clacky-ai/openclacky

Everything Claude Code 的交互式安装程序 — 引导用户选择并安装技能和规则到用户级或项目级目录，验证路径，并可选择优化已安装文件。

xu-xiang/everything-claude-code-zh

How Circuit Breaker moves data between backend and frontend — the NATS internal bus, Redis pub/sub, the WebSocket stream endpoints and their first-message JWT handshake, SSE log/event streams, and…

BlkLeg/CircuitBreaker

Interact with arbitrary third-party or self-hosted services (AWS, Slack, Google Drive, Dropbox, GitHub, GitLab, Linear, Coolify...) using their HTTP APIs.

imbue-ai/latchkey

Decides whether a feature belongs in the application or in one of five shared Arandu modules before adding permissions, wallets, tags, Markdown rendering or API docs.

arandu-io/arandu