Best backend and API skills, page 3

Generates and splits Django schema migrations for Saleor with manage.py makemigrations, enforcing one new model or one field change per migration file.

saleor/saleor

Lightweight guidance for using the Redis Rate Limit TypeScript SDK, including setup steps, basic usage, and pointers to advanced algorithm, features, pricing, and traffic‑protection docs.

upstash/ratelimit-js

A skill your agent uses when building or modifying CRUD endpoints with FastCRUD (the fastcrud PyPI package) in a FastAPI project — covers FastCRUD, crudrouter, EndpointCreator, FilterConfig…

benavlabs/fastcrud

Implements concurrent Go patterns using goroutines and channels, designs and builds microservices with gRPC or REST, optimizes Go application performance with pprof, and enforces idiomatic Go with…

antoniopaya22/go-rest-template

Take an agent-written app from repo to live production on the user's OWN accounts, with providers they choose (hosting, database, auth, payments, email, domain/DNS).

mikehasa/golive-skill

Zod schema validation best practices for type safety, parsing, and error handling.

jasonjgardner/blockbench-mcp-plugin

Review AnimeGarden animation resource-to-Bangumi Subject bindings for a specified time range, identify missing or incorrect bindings, and report evidence-backed Subject search improvements.

yjl9903/AnimeGarden

Defines the typia product contract, workspace layout, package boundaries, and canonical commands.

samchon/typia

Sets up Convex auth, identity mapping, and access control. An agent skill from spokvulcan/poker-planning.

spokvulcan/poker-planning

Guia de contribuição ao DeskcommCRM para quem vai mexer no código e abrir um pull request, sobretudo de um fork.

melgarafael/DeskcommCRM

Checklist of every backend, frontend, CLI and capture change needed to add a new TriggerCrud-based trigger type, such as Azure, GCP or Kafka, to Windmill.

windmill-labs/windmill

A skill your agent uses when adding or changing an audited Nango endpoint, or deciding one shouldn't be audited - covers the vocabulary table, metadata typing, spec placement, mount ordering, and…

NangoHQ/nango

Guide for creating, updating, and deprecating hybrid cloud RPC services in Sentry.

getsentry/sentry

Diagnose gRPC connection issues between the Bindu core and a language SDK.

GetBindu/Bindu

Avoid common Ruby and Rails antipatterns that degrade maintainability and performance.

doorkeeper-gem/doorkeeper

A skill your agent uses when building real-time, bidirectional streaming applications with the Gemini Live API, or migrating legacy Live models (2.0/2.5/3.1) to Gemini 3.8 Live.

google-gemini/gemini-skills

Build and edit Activepieces pieces (integrations) — creating new pieces, adding actions or triggers, or fixing bugs in existing ones.

activepieces/activepieces

Read and write email through the Atomic Mail from an AI agent.

Atomic-Mail/atomic-mail-agentic

A skill your agent uses when working with Foundatio infrastructure abstractions for .NET -- caching, queuing, messaging, file storage, distributed locking, or background jobs.

FoundatioFx/Foundatio

Mall4j 开源版现有功能副驾驶：本地启动、mall4v/mall4m/mall4uni、商品/SKU、购物车、下单支付、订单发货、会员、运费、权限、部署排查。适用于下载 mall4j / yami-shop 后按现有功能使用或二次开发；不要编造开源版没有的能力。

gz-yami/mall4j

PROACTIVELY use whenever the user needs data outside your training set or requires a live network call — web search, URL scraping, news, social media (any platform), market prices…

chainbase-labs/Agentkey

Laravel test design and review. An agent skill from anonaddy/anonaddy.

anonaddy/anonaddy

Designs REST and GraphQL APIs including endpoints, error handling, versioning, and documentation.

CloudAI-X/claude-workflow-v2

Guides building Tavily integrations for web search, URL extraction, site crawling and AI-assisted research in Python or JavaScript agent and RAG projects.

andrewyng/context-hub

A skill your agent uses when the user wants to brute-force credentials, spray passwords, or enumerate services/subdomains against any network protocol (HTTP, SSH, FTP, SMB, RDP, databases, mail…

evilsocket/legba

Manage your NewsBlur from the terminal. An agent skill from samuelclay/NewsBlur.

samuelclay/NewsBlur

Covers developing the LangBot core backend and web UI: dev setup, repo layout, API auth types, adding endpoints, migrations and keeping the MCP server in step.

langbot-app/LangBot

Guides classifying, gap-analyzing and scaffolding support for a new SQL database in pREST, from Postgres-compatible variants to entirely new dialects.

prest/prest

Builds cross-chain token swaps and bridge flows with the NEAR Intents 1Click API: quotes, deposit addresses, per-chain deposits and status polling.

internet-court/internet-court-skill

Minimal starter runbook for cloud agents to install dependencies, run packages, execute tests, and troubleshoot the Scalar monorepo quickly.

scalar/scalar

Polymarket integration for prediction market trading on Polygon.

Polymarket/agent-skills

Designs GraphQL schemas and Apollo Federation graphs, with DataLoader resolvers, subscriptions, query complexity limits and caching.

Jeffallan/claude-skills

Build, debug, or review Cloudflare Agents SDK applications using the agents package.

cloudflare/skills

Registers a new syncable entity in three NestJS modules and adds its service and GraphQL resolver layers when contributing to the Twenty server.

twentyhq/twenty

This skill should be used when the user asks to "add an API call", "change a backend", "update settings persistence", "change conversation events", "fix backend auth", "add Agent Server support", or…

OpenHands/OpenHands

钉钉消息发送技能。支持企业内部机器人（批量单聊/群聊）和 Webhook 自定义机器人两种接入方式，支持多机器人管理，支持文本、Markdown、链接、ActionCard、FeedCard等多种消息类型。

agentscope-ai/ReMe

Integrate a new Indian broker into OpenAlgo, or modify an existing broker plugin.

marketcalls/openalgo

Captures a clean Keybase service log and analyzes it for redundant, duplicated or looping RPCs, then checks whether a caching fix reduced the calls.

keybase/client

Convert English-language properties in PROPERTIES.md (produced by the Fizz skill) into Solidity assertions inside the existing fuzz harness, then flip their checkboxes.

pashov/skills

Call any REST API dynamically. An agent skill from NVIDIA/SkillEvaluator.

NVIDIA/SkillEvaluator

FastAPI best practices and conventions. An agent skill from Open-TutorAi/open-tutor-ai-CE.

Open-TutorAi/open-tutor-ai-CE

Set up and migrate to @data-client/rest for REST APIs. An agent skill from reactive/data-client.

reactive/data-client

A skill your agent uses when reviewing PRs that add or modify a payment Provider in yansongda/pay - covers plugin pipeline, multi-tenant safety, signature verification, docs, and naming conventions.

yansongda/pay

Builds and edits HTML views in Go with gomponents, where components are plain functions that return a Node, instead of using template languages.

maragudk/gomponents

Enable, operate, and extend CAO's MCP Apps surface — the host-rendered fleet dashboard visible inside MCP App hosts (Claude Desktop, ChatGPT, VS Code Copilot, Goose, Postman).

awslabs/cli-agent-orchestrator

Build a composable CLI for Codex from API docs, an OpenAPI spec, existing curl examples, an SDK, a web app, an admin tool, or a local script.

huangruiteng/CS-Notes

Rules for writing Django migrations in Saleor that avoid long table locks and stay compatible with zero-downtime rolling deploys.

saleor/saleor

Manages AI provider connections, API keys, OAuth flows and connection tests through OmniRoute's REST API across its 327-provider catalog.

diegosouzapw/OmniRoute