Backend and APIs

18,661 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

microservice-patterns

291

revfactory/claude-code-harness

Skill Claude Code

Event-driven microservice architecture patterns guide. Use when the user requests implementing microservices, event bus, SAGA pattern, orchestration, compensating transactions, or distributed system coordination.

not rated 119 +1 6mo ago A 41 tokens

spikard

292

Goldziher/spikard

Skill Claude CodeCodex

Scaffold Spikard projects and generate code from OpenAPI, AsyncAPI, OpenRPC, GraphQL, and Protobuf schemas using the Spikard CLI or its MCP server. Use when building or updating Spikard-based apps, fixtures, test apps, or agent workflows that should prefer code generation over handwritten boilerplate.

not rated 119 +1 23d ago A 70 tokens original MIT

mcp

293

auth0/auth0-mcp-server

MCP server Claude CodeCodexCursor +2 ✓ vendor

Auth0 MCP Server: Manage Auth0 applications, APIs, actions, logs, and forms using natural language. Runs locally from the @auth0/auth0-mcp-server npm package.

not rated 117 +2 9d ago A tokens not measured original MIT

mcp-developer

294

leehack/mcp_dart

Skill Claude CodeCodex

Use when building, testing, debugging, or reviewing Model Context Protocol servers, clients, transports, tools, resources, prompts, and agent host configuration.

not rated 114 2d ago A 35 tokens original MIT

holon-run/uxc

Skill Codex

Operate Binance Spot market, account, and order APIs through UXC with a curated OpenAPI schema, Binance query signing, and separate mainnet/testnet link flows.

not rated 113 28d ago A 42 tokens original MIT

vvip-educare

296

zhangdszq/teamclaw

Skill Claude CodeCodex

POST https://api.zoom.us/v2/users/me/meetings Authorization: Bearer {accesstoken}.

not rated 113 5mo ago A 0 tokens original Apache-2.0

cds-mcp

298

cap-js/mcp-server

Plugin Claude Code

Bundles 2 MCP servers

Model Context Protocol (MCP) server for AI-assisted development of CAP applications.

not rated 111 +1 yesterday A tokens not measured original Apache-2.0

wsimmonds/claude-nextjs-skills

Skill Claude Code

Guide for advanced Next.js App Router patterns including Route Handlers, Parallel Routes, Intercepting Routes, Server Actions, error boundaries, draft mode, and streaming with Suspense. CRITICAL for server actions (action.ts, actions.ts files, 'use server' directive), setting cookies from client components, and form…

not rated 108 10mo ago A 111 tokens original MIT

supabase

301

agentopology/agentopology

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

Supabase CLI. Runs locally from the supabase npm package.

not rated 102 10d ago A tokens not measured original Apache-2.0

route-tester

302

blencorp/claude-code-kit

Skill Claude CodeCodex

Framework-agnostic HTTP API route testing patterns, authentication strategies, and integration testing best practices. Supports REST APIs with JWT cookie authentication and other common auth patterns.

not rated 101 9mo ago A 36 tokens original MIT

bitfinex-net

303

JKorf/Bitfinex.Net

Cursor rule Cursor

Conventions for using Bitfinex.Net library when working with Bitfinex in C#/.NET. Apply when generating code that interacts with the Bitfinex API.

not rated 98 yesterday A 0 tokens original MIT

googleads/google-ads-api-developer-assistant

Plugin Claude Code

Bundles 10 skills, 10 commands · 372 tokens together

Exposes expert Google Ads API capabilities: GAQL static analysis & live dry-runs, Protobuf object inspection, conversion diagnostics, PMax webpage filters, MCC account hierarchy retrieval, client library version discovery & sync, interactive tutorial, and Ruff-linted Python code generation.

not rated 98 +1 12d ago A tokens not measured original Apache-2.0

elixir-new-project

306

elixir-vibe/pi-elixir

Skill Claude CodeCodex

Create or bootstrap an Elixir/Phoenix project or package with Igniter and VibeKit. Use only for new-project generation or applying initial quality/tooling setup; use elixir for an existing backend project and elixir-web for existing UI/frontend work.

not rated 96 1mo ago A 57 tokens

crud

307

filipebraida/adonisjs-starter-kit

Skill Claude Code

Build an end-to-end CRUD stack in AdonisJS + Inertia: resource route → thin controller → VineJS validator → Bouncer policy → single-purpose action → transformer variant → Inertia page. Trigger on: "add CRUD for X", "create resource", "list/create/edit/delete X", "resource endpoint".

not rated 96 +2 26d ago A 66 tokens original MIT

django-fastapi-expert

308

travisjneuman/.claude

Agent Claude Code

Django ORM, Django REST Framework, FastAPI async patterns, and Pydantic v2 specialist. Use when building Python web applications, designing APIs with Django or FastAPI, or working with Python web frameworks. Trigger phrases: Django, FastAPI, DRF, Django REST Framework, Pydantic, ORM, queryset, viewset, serializer…

not rated 95 yesterday A 86 tokens original MIT

backend-connector

309

wasintoh/toh-framework

Agent Claude Code

Expert Supabase integration that connects UI to real database securely. Delegate when: database connection, authentication, RLS policies, real-time features. Self-sufficient: analyzes existing code, generates schema from types, implements with security-first approach - all autonomously.

not rated 95 changed 2d ago A 56 tokens original MIT

claude-api

310

OrcaWhisper/Claude-Code

Skill Claude CodeCodex

Use this skill when the user is building against Anthropic APIs or SDKs, including @anthropic-ai/sdk, anthropic, or Agent SDK integrations.

not rated 94 +2 5mo ago A 0 tokens

architecture-rules

311

theronic/eacl

Cursor rule Cursor

Cursor rule "architecture-rules" from theronic/eacl, covering understanding, service boundaries, api design, event-driven architecture and datastore guidelines.

not rated 92 today A 1 tokens EPL-2.0

saas-api-security

312

komunite/tezgah

Skill Claude CodeCodex

SaaS uygulaması için API güvenlik katmanı kur. Rate limiting, plan bazlı erişim kontrolü, input validation, hata yönetimi, CORS ve health check. Bu skill'i kullanıcı API güvenliği, rate limiting, yetkilendirme, input doğrulama, hata yönetimi veya API koruması ile ilgili bir şey istediğinde kullan. "API'yi koru", "rate…

not rated 91 5mo ago A 108 tokens original MIT

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