Backend and APIs

19,654 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.

Advance-Technologies-Foundation/clio

Skill Codex

Create, update, and validate custom Creatio Configuration Web Services and their tests. Use when users need to expose custom backend endpoints in Creatio, wire service contracts/implementations, return structured success/error results, or verify endpoints with integration-style and unit tests.

not rated 58 yesterday A 58 tokens

b2c-mcp-scapi

410

SalesforceCommerceCloud/b2c-developer-tooling

Skill Claude CodeCodex

Required before scapisearch or scapiexecute. Discover standard and live custom SCAPI contracts, compose Admin and Shopper requests, and verify changes under configured authentication and Safety Mode.

not rated 58 +1 changed 3d ago A 43 tokens original Apache-2.0

nuxt-users

411

rrd108/nuxt-users

Skill Claude CodeCodex

Configure and use the nuxt-users module for Nuxt. Use when adding authentication, user management, roles, password reset, database setup (SQLite/MySQL/PostgreSQL), or CLI commands (migrate, create-user). Covers nuxt.config (nuxtUsers), composables (useAuthentication, useUsers, usePublicPaths, usePasswordValidation…

not rated 57 changed 1mo ago A 103 tokens

vovk

413

finom/vovk

Plugin Claude Code

Bundles 15 skills · 3,888 tokens together

Claude Code plugin for Vovk.ts — topic-based skills covering segments, procedures, validation, SSR, and project setup.

not rated 57 changed 18d ago A tokens not measured original MIT

umbraco-mcp-cms

414

Matthew-Wise/umbraco-mcp

MCP server Claude CodeCodexCursor +2

A model context protocol (MCP) server for Umbraco CMS. Runs locally from the @umbraco-mcp/umbraco-mcp-cms npm package.

not rated 57 1y ago A tokens not measured original MIT archived

quarkus-agent

415

quarkusio/quarkus-agent-mcp

Plugin Claude Code

Bundles 1 MCP server

MCP server for AI coding agents to create, manage, and interact with Quarkus applications. Provides tools for project scaffolding, dev mode lifecycle, extension skills, Dev MCP proxy, and documentation search.

not rated 56 changed 18d ago A tokens not measured original Apache-2.0

widget-authoring

416

ThinkEx-OSS/thinkex

Skill Claude CodeCodex

Author or edit ThinkEx widgets, which are self-contained interactive HTML blocks inside documents. Use when the user explicitly asks for a widget, asks for interaction or live computation, or wants a document visual that ordinary blocks cannot express.

not rated 55 20d ago A SkillSpector: pass 49 tokens original MIT

kamae-ts

417

iwasa-kosui/kamae-ts

Plugin Claude Code

Bundles 2 skills · 229 tokens together

Kamae (構え) — an extensible harness of skill plugins for designing and implementing robust server-side TypeScript applications.

not rated 55 changed 2mo ago A tokens not measured original MIT

instructions

418

SkeneTechnologies/skene-cookbook

Cursor rule Cursor

Definitive guidelines for building high-performance, maintainable, and secure web applications with actix-web 4, focusing on modern Rust best practices.

not rated 55 8mo ago A 0 tokens copy · 100% MIT

auth

419

henrydiaosi/AI-framework

Skill Claude CodeCodex

A guide to the authentication module in the AI-framework project. Authentication is the process of checking who a user is before allowing access.

not rated 55 7mo ago A 1 tokens

zscaler/zscaler-mcp-server

Cursor rule Cursor

ZMS uses GraphQL and is read-only. Every query requires ZSCALERCUSTOMERID and uses specific pagination patterns.

not rated 55 +1 10d ago A 227 tokens original MIT

api-auditor

421

saeed-vayghan/gemini-agent-skills

Skill Claude CodeCodex

Expertise in auditing and testing API endpoints. Use when the user asks to "check", "test", or "audit" a URL or API.

not rated 55 +4 9mo ago A 35 tokens original MIT

rails-upgrade

422

robzolkos/skill-rails-upgrade

Skill Claude CodeCodex

Analyze Rails application upgrade path. Checks current version, finds latest release, fetches upgrade notes and diffs, then performs selective upgrade preserving local customizations.

not rated 54 9mo ago A 35 tokens

net-route-mapper

423

RuoJi6/net-audit-skills

Skill Claude CodeCodex

A tool that maps HTTP routes and their parameters in .NET applications. It can inspect source code or decompiled files and save the results as a Markdown document.

not rated 54 5mo ago A 158 tokens

backend

424

meishanlaoyao/elysia-admin

Cursor rule Cursor

Backend module rules (Elysia + Bun) — file structure, repository usage, code patterns.

not rated 54 +1 changed 1mo ago A 0 tokens original MIT

dodopayments

425

dodopayments/dodopayments-typescript

MCP server Claude CodeCodexCursor +2

The official TypeScript library for the Dodo Payments API. Runs locally from the dodopayments npm package.

not rated 54 2d ago A tokens not measured original Apache-2.0

comfyui-gateway

426

hainamchung/agent-assistant

Skill Claude CodeCodex needs its repo

REST API gateway for ComfyUI servers. Workflow management, job queuing, webhooks, caching, auth, rate limiting, and image delivery (URL + base64).

not rated 54 5mo ago A 41 tokens original MIT

django-celery-expert

427

wilfredinni/django-starter-template

Skill Claude CodeCodex

Expert Django Celery guidance for asynchronous task processing. Use when designing background tasks, configuring Celery workers, handling task retries and errors, optimizing Celery performance, implementing periodic tasks with Celery Beat, or setting up production monitoring for Celery. Do not use for general Django…

not rated 53 13d ago A SkillSpector: warn 115 tokens original MIT

debug-wing

428

ehrlich-b/wingthing

Skill Claude Code

Diagnose wing connectivity issues. Checks auth, relay connection, daemon status, and identifies why a wing might not appear in the web UI.

not rated 53 25d ago A SkillSpector: warn 31 tokens original MIT

laravel-boost

430

karuhun-developer/ecommerce

Cursor rule Cursor

Cursor rule "laravel-boost" from karuhun-developer/ecommerce, covering laravel boost guidelines, foundational context, conventions, verification scripts and application structure & architecture.

not rated 53 +10 3d ago A 5,430 tokens

backend-dev

431

julianromli/droid-factory-template

Skill Claude CodeCodex

Comprehensive backend development workflow that orchestrates expert analysis, architecture design, implementation, and deployment using the integrated toolset. Handles everything from API design and database architecture to security implementation and DevOps automation.

not rated 52 +1 11mo ago A 43 tokens original MIT

fhir-developer-skills

432

PhenoML/ClaudeFHIRSkill

Plugin Claude Code

Bundles 1 skill · 109 tokens together

Comprehensive FHIR software development skill covering FHIR R4/R5 APIs, resource modeling, server implementation, profile validation, terminology, SMART on FHIR, FSH authoring, SUSHI, GoFSH, and IG publishing.

not rated 52 5mo ago A tokens not measured original Apache-2.0

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