Backend and APIs skills

13,250 tagged Backend and APIs, measured the same way as everything else here.

Browse within: LLM 148agents 116skills 116agent 88agentic-ai 85api 80azure 68antigravity 64claude-code-plugin 61ai-coding 56cli 54cursor 54cybersecurity 53javascript 52

pyrus-script-bots

985

sparko161-droid/pyrus_mcp_bd_complect

Skill Claude CodeCodex

Operating procedures, API specifications, rules, design patterns, and code snippets for creating, modifying, testing, and debugging Pyrus TypeScript server script bots in this codebase.

not rated 0 2mo ago A 41 tokens original Apache-2.0

ssh-mcp-helper

986

perhamm/ssh-mcp-server

Skill Claude CodeCodex

Use when the user wants to install, configure or extend an ssh-mcp-server MCP connection ("set up ssh-mcp-server for me", "add an SSH MCP to Cursor/Claude Code", "add another remote host to my MCP", "how do I write the mcp.json for ssh-mcp-server", "give the agent sudo on that box", "open a SOCKS proxy into that…

not rated 0 2mo ago D 176 tokens

bun-runtime-http

987

LuigiColantuono/bun-docs-toolkit

Skill Claude CodeCodex

Covers Bun.serve, HTTP server configuration, routing, streaming responses, WebSockets, TLS/SSL, and middleware with Bun's native APIs.

not rated 0 1mo ago A 34 tokens

oss

988

Abbilville/oss-mcp

Skill Claude CodeCodex

Autonomous Multi-Repo Architecture & Graph Navigator. Use for any multi-repo question, architecture inquiry, cross-service flow, or multi-service onboarding. Automatically checks indexing status; if unindexed or missing, scans the workspace and batch-indexes repos into codebase-memory-mcp, then executes cross-repo…

not rated 0 2mo ago A 69 tokens

mapear-api

989

MarcosQuintino0/MCP

Skill Claude CodeCodex

Explora o backend e o contrato OpenAPI de uma operação HTTP e produz o MapaDaApi — dependências entre operações, autenticação, regras de negócio não declaradas e divergências entre spec e código. Use como primeira etapa da skill de testes de API, antes de planejar ou gerar qualquer teste.

not rated 0 2mo ago A 67 tokens

api-spec

990

ShanYuCoder/forgekit

Skill Claude Code

EXCLUSIVE /api-spec — ONLY for authoring backend API contract YAML trio per function slug under surfaces/. DO NOT merge multiple modules into single markdown files.

not rated 0 changed 1mo ago A 34 tokens

wbrowser

991

matveikarpov64/Wbrowser

Skill Claude CodeCodex

Use when a task needs a browser that is already signed in — reading a dashboard, checking a web app, filling a form, taking a screenshot of a real page, or debugging a site's console. Drives a real Chrome window the user signed into by hand, so no re-login and no API keys. Do not guess selectors; run wb read first and…

not rated 0 18d ago C 81 tokens copy · 100% MIT

sipgate-mcp

992

wiesson/sipgate-mcp

Skill Claude CodeCodex

Install and securely configure the sipgate MCP server when a user asks to set up or connect a sipgate account to Codex or Claude. Do not use for ordinary sipgate product questions.

not rated 0 changed 1mo ago A 43 tokens original MIT

aura

993

phillypmack/aura-agent

Skill Claude CodeCodex

Give this agent a real email address, a webhook URL, durable memory across runs, and the ability to wait for an event without burning tokens. Use when a task needs a verification code sent by email, needs to wait for a webhook or an approval, needs to remember something after the session ends, or needs to survive a…

not rated 0 2mo ago A 74 tokens original MIT

mcp-dir/caf_agricultura_pj-mcp

Skill Claude CodeCodex

Skill da REST API do CAF Agricultura Familiar PJ na MCP.AI: 1 endpoint em /api/cafagriculturapj. Consulta o Cadastro Nacional da Agricultura Familiar (CAF) de uma pessoa jurídica a partir do CNPJ. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Autentique com workspace API key…

not rated 0 2mo ago A 111 tokens original MIT

mcp-dir/ecrvsp_multas_placa-mcp

Skill Claude CodeCodex

Skill da REST API do ECRVSP Multas RENAINF: Por Placa na MCP.AI: 1 endpoint em /api/ecrvspmultasplaca. ECRVSP Multas RENAINF: Por Placa, consulta em fonte oficial. Hospedado pela plataforma, sem credenciais da plataforma, pague por consulta com crédito pré-pago. Autentique com workspace API key (sklive) gerada em…

not rated 0 2mo ago A 124 tokens original MIT

reclameaqui-mcp

996

mcp-dir/reclameaqui-mcp

Skill Claude CodeCodex

Skill da REST API do Reclame Aqui na MCP.AI: 4 endpoints em /api/reclameaqui. Gerencie as reclamações da sua empresa no Reclame Aqui pela conta da Área da Empresa. Você informa o usuário e a senha da empresa e a plataforma entra na sua conta para listar reclamações, ler o detalhe, ver a reputação e responder os…

not rated 0 2mo ago A 137 tokens original MIT

whatsapp-mcp

997

mcp-dir/whatsapp-mcp

Skill Claude CodeCodex

Skill da REST API do WhatsApp na MCP.AI: 41 endpoints em /api/whatsapp. Conecte uma conta de WhatsApp pessoal/Business via pareamento por QR (multi-device, como o WhatsApp Web). Envie e leia mensagens, listas chats, contatos, grupos e faça busca full-text no histórico. Suporte opcional a proxy SOCKS5/HTTPS por…

not rated 0 2mo ago A 138 tokens original MIT

x402-paywall-client

998

moldy93/smard-x402-mcp

Skill Claude CodeCodex

Create paid requests against x402 paywalled HTTP or MCP endpoints. Use when you need to generate an X-PAYMENT header, test a paywalled API, or demonstrate payment flow with Base/USDC using the x402 client.

not rated 0 9mo ago A 57 tokens

onesignal-setup

999

OneSignal/onesignal-cursor-plugin

Skill Claude CodeCodex

Use this skill when the user wants to install, configure, authenticate, test, or troubleshoot the OneSignal Cursor plugin or OneSignal MCP server. Triggers on "set up OneSignal in Cursor", "configure the OneSignal MCP", "how do I connect Cursor to OneSignal", or any first-run plugin setup question.

not rated 0 3mo ago A 70 tokens original MIT

cohesivity

1000

cohesivity-org/cohesivity-skill

Skill Claude CodeCodex

Backend and infra for a project via Cohesivity (cohesivity.ai). Provisions Postgres, hosting and deploys, auth and social login, realtime websockets, an agent-native email inbox, object and vector storage, Redis, cron, and AI model APIs (OpenAI, Anthropic, Deepgram, Exa) through one HTTP API. Use when a valid…

not rated 0 changed 14d ago A 121 tokens copy · 92% MIT

zenlee123/routerbase-agent-skills

Skill Codex

Integrate applications with RouterBase, the OpenAI-compatible model gateway at https://routerbase.com/v1. Use when migrating OpenAI SDK calls to RouterBase, configuring RouterBase API keys, implementing chat completions, streaming, tool calling, JSON mode, vision inputs, request validation, error handling, or…

not rated 0 3mo ago A 104 tokens

progress-all/acomo-skills

Skill Claude CodeCodex

A development workflow for building business-process systems with acomo through conversation with an AI agent. It is designed to turn a description of work into a working workflow through repeated development cycles.

not rated 0 3mo ago A 270 tokens

godrix/mcp-architecture-contract

Skill Claude CodeCodex

Use ao criar classes, endpoints ou features em projetos com arc.yaml. Antes de gerar código, chame arcload e arcresolve; confirme com o usuário; depois arcscaffold com dryRun=false.

not rated 0 4mo ago A 47 tokens

windows-deployment

1004

saajunaid/caddis-plugin

Skill Claude CodeCodex

Deploy FastAPI + React/Vite apps to Windows Server with NSSM services, IIS or nginx reverse proxy and git-pull. Use for Windows prod deploys, NSSM, reverse proxy setup, dev/prod config, or prod troubleshooting.

not rated 0 changed 1mo ago A 53 tokens original MIT

api-design

1005

sejongjeong/runai-mcp

Skill Claude CodeCodex

REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.

not rated 0 7mo ago A 31 tokens

gkmex-api-integration

1006

gkmex75/gkmex-developer-resources

Skill Claude CodeCodex

Use when building or troubleshooting an application that consumes Gkmex's public crane inventory through REST, the official JavaScript SDK, or the Python SDK.

not rated 0 1mo ago A 37 tokens original MIT

nest-mikro-orm-service

1007

nmime/motiv-buy

Skill Claude Code

Use when creating or modifying NestJS service files that interact with MikroORM.

not rated 0 9mo ago A 23 tokens original MIT

apiosk

1008

obcraft/apiosk-mcp

Skill Codex

Answer external-data questions through the Apiosk Ask workflow: discover matching sources, review exact inputs and one total, approve, and inspect saved evidence. Requires the connected Apiosk MCP server.

not rated 0 changed 7d ago A 40 tokens original MIT

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: