Backend and APIs

18,646 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.

api-gateway

433

bighardperson/computer-science-skills-collection

Skill Claude CodeCodex

Connect to 100+ APIs (Google Workspace, Microsoft 365, GitHub, Notion, Slack, Airtable, HubSpot, etc.) with managed OAuth. Use this skill when users want to interact with external services. Security: The MATONAPIKEY authenticates with Maton.ai but grants NO access to third-party services by itself. Each service…

not rated 46 +5 4mo ago A 111 tokens

tenets-scaffold

434

bardiakhosravi/tenets

Command Claude Code

You are initializing the architecture foundation for the Flask service in the current repository. This workflow supports one service only. It does not generate individual bounded contexts, workflows, features, or resources.

not rated 45 24d ago A 0 tokens original MIT

zmustafa/AzureSupportAgent

Skill Claude CodeCodex

Review application and service-principal ownership, credentials, permissions, and expiration risk without confusing registrations with enterprise applications.

not rated 45 2d ago A SkillSpector: pass 26 tokens original MIT

architect

436

martinffx/atelier

Agent Claude Code

System architecture, data modeling, API contract design, and the creation of structured implementation blueprints for development teams.

not rated 45 +1 29d ago A 23 tokens original MIT

aws/tools-for-devops-agent

Skill Claude CodeCodex

Amazon OpenSearch Service domain health assessment. Performs read-only, API-driven checks against a customer's OpenSearch domain(s) covering cluster health, node/shard configuration, performance metrics, security posture, and cost optimization signals. Activate this skill for requests about OpenSearch or Elasticsearch…

not rated 45 4d ago A SkillSpector: pass 136 tokens original Apache-2.0

MrPunyapal/laravel-auditor

Skill Claude CodeCodex

Audit a Laravel application's performance deeply and safely: unnecessary queries, N+1, collection vs database work, memory amplification, repeated computation, I/O, queues, and rendering cost — verifying that every proposed optimization preserves behavior before reporting it. Use when auditing performance or…

not rated 45 yesterday A SkillSpector: pass 63 tokens original MIT

darto-add-route

439

evandersondev/darto

Skill Claude CodeCodex

Add or modify HTTP endpoints in a Darto (Dart) web app — verbs, path/query params, request-body reading, route groups, and Context response helpers. Use when building or changing API routes in a project that depends on the darto package (import 'package:darto/darto.dart'). Not for Express/Node — Darto handlers take a…

not rated 43 2mo ago A 90 tokens original MIT

django-patterns

440

VenTheZone/pi-dots

Skill Claude CodeCodex

Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps.

not rated 43 1mo ago A 32 tokens

dsh-plugin-dev

441

zimodzh/dsh-plugin-dev-skills

Skill Claude CodeCodex

An authoritative development guide for DeepSeek Harness plugins. DeepSeek Harness is a system where models, tools, services, events, and adapters are built as plugins.

not rated 43 +3 changed 2d ago A 156 tokens original MIT

powertools-aws

442

aws-powertools/powertools-mcp

Skill Claude CodeCodex

ALWAYS use this skill when writing AWS Lambda functions in Python, TypeScript, Java, or .NET. Provides serverless best practices for structured logging, distributed tracing (X-Ray), CloudWatch metrics, idempotency, batch processing, and event handling using Powertools for AWS Lambda. Essential for any Lambda…

not rated 42 2mo ago A 71 tokens archived

qodex-ai/ai-agent-skills

Skill Claude CodeCodex

Provide expert guidance on backend and database services. Advises on database design, APIs, authentication, and deployment.

not rated 42 8mo ago A 28 tokens

auth

444

himself65/auth-spec

Plugin Claude Code

Bundles 2 skills · 93 tokens together

Auth skills for Claude Code — scaffold hand-rolled auth endpoints and audit auth code against security best practices.

not rated 41 16d ago A tokens not measured

create-server

445

msfeldstein/mcp-test-servers

Cursor rule Cursor

To create a new server, copy the ping-server.js for the pattern and use the MCP SDK documentation Add the server to servers.json so it will show up in the cli and readme and gallery Do not print anything to console.log since this is a stdio service and you can't write to it without breaking the protocol Look up the…

not rated 41 5mo ago A 98 tokens

add-a-service

446

lonormaly/builders-stack

Skill Claude CodeCodex needs its repo

Scaffold a new service under services/ in the builders-stack monorepo. Use when something needs its own URL, port, or independent deploy. Covers the package, entrypoint, config, Tilt, deployment registry, and shared small-image build path.

not rated 41 3d ago A SkillSpector: pass 55 tokens original MIT

design-api

447

paraskakis/skills

Skill Claude CodeCodex

Design an API end-to-end — from requirements to a validated OpenAPI spec. Generates stories for review, then produces a linted spec. Emmanuel Paraskakis's method for designing APIs with LLMs. Use when user says "/design-api" or asks to design an API from requirements or stories. For a single step only, use…

not rated 41 1mo ago A 90 tokens original MIT

autumn-cli

448

yellow-hammer/skills-onescript

Skill Claude CodeCodex

A OneScript library for building command-line programs with commands, subcommands, arguments, and options. Commands are defined on classes using annotations.

not rated 40 5mo ago A 46 tokens original MIT

django

449

joshuadavidthomas/mcp-django

MCP server Claude CodeCodexCursor +2

A Model Context Protocol (MCP) server for Django integration with LLM assistants. Runs locally from the mcp_django Python package. Needs 1 environment variable to run.

not rated 40 12d ago A tokens not measured original MIT

wp-plugin-development

450

fernandotellado/ai-skills

Skill Claude CodeCodex

Architecture and development guidelines for WordPress plugins published on wordpress.org: file structure, plugin header, lifecycle hooks, Settings API, admin UI, escaping helpers for admin JavaScript, default values and option migrations, multisite-shared resources, custom post types, custom database tables…

not rated 40 8d ago A 86 tokens GPL-3.0

ryu-mcp

451

amajorai/ryu

Skill Claude CodeCodex

Drive a Ryu node through the apps/mcp MCP server. Covers configuring the stdio server with RYUCOREURL, the tools/list handshake, and every Ryu tool (ask Ryu, list/activate models, list agents and teams, run workflows, bridge to registered MCP servers, search RAG Spaces and skills). Use when an agent should operate a…

not rated 40 +2 today A 88 tokens

workflow

454

WebDevPeterGriffin/The-VibeCode-Bible

Cursor rule Cursor

This file provides rules and context for generating or understanding Go code related to a custom Domain Specific Language (DSL) for defining Temporal workflows within this project.

not rated 40 +1 2mo ago A 0 tokens

Umbraco-CMS-MCP-Dev

455

umbraco/Umbraco-CMS-MCP-Dev

MCP server Claude CodeCodexCursor +2

A developer focused model context protocol (MCP) server for Umbraco CMS. Runs locally from the @umbraco-cms/mcp-dev npm package. Needs 5 environment variables to run.

not rated 39 3d ago A tokens not measured original MIT

astra-vector-backend

456

erichare/skillroute

Skill Claude CodeCodex

Design Astra DB Data API and vector-search backends for retrieval, metadata filtering, and LangChain-compatible stores.

not rated 39 4d ago A SkillSpector: pass 27 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: