Backend and APIs skills

kreuzberg-dev/kreuzberg-lts

Skill Claude CodeCodex

Kreuzberg's format detection -> extraction -> fallback orchestration for 75+ file formats.

bytebear7286-32ffw/webhook-docs-brief

Skill Claude CodeCodex

A guide for writing documentation for outbound webhooks, which are automatic messages a service sends to another system when an event occurs. It covers events, message data, signature checks, retries, duplicate handling, and examples.

glincker/theauth

Skill Claude CodeCodex

Install and use theAuth (@glinr/theauth), the TypeScript auth SDK for AI agents and humans. Use when adding agent identity, scoped permissions, delegation, audit logs, human sign-in plugins, or an MCP OAuth 2.1 authorization server to a Node, Bun, Deno or edge project.

Nice-Wolf-Studio/claude-code-supabase-skills

Skill Claude CodeCodex

Manage file storage operations in Supabase Storage. Use for uploading, downloading, listing, and deleting files in buckets.

quiknode-labs/blockchain-skills

Skill Claude CodeCodex

Quicknode blockchain infrastructure for 80+ chains: Core RPC API, Streams, Webhooks, Blazar WSS, Solana gRPC, HyperCore gRPC, SQL Explorer, Metaplex DAS API, Blockbook, Ordinals & Runes API, Swap API, x402, MPP, Agent Subscriptions, CLI, and MCP. Use for any Quicknode product, blockchain data access, or wallet-paid…

Cheggin/minecraft-use

Skill Codex

Designs and builds Convex components with isolated tables, clear boundaries, and app-facing wrappers. Use this skill when creating a new Convex component, extracting reusable backend logic into a component, building a third-party integration that owns its own tables, packaging Convex functionality for reuse, or when…

Waqasahmedwaseer/whmcs-dev-skills

Skill Claude CodeCodex

Senior WHMCS Developer & Architect skill for AI coding agents. Builds, debugs, and maintains WHMCS Addon Modules, Provisioning (Server) Modules, Domain Registrar Modules, Payment Gateway Modules, and Action Hooks. Enforces WHMCS 8.x / 9.x best practices, modern PHP 8.1+ standards, Laravel Capsule ORM, Smarty v4…

whyrnld/banco-inter-api-skill

Skill Claude CodeCodex

Use esta skill para implementar, revisar, depurar, testar, migrar ou explicar integrações com a plataforma de desenvolvedores do Banco Inter Empresas, incluindo OAuth 2.0 + mTLS, Banking, Pix, Pix Automático, Cobrança Boleto com Pix V3, Webhooks, Sandbox, SDKs, CNAB, Crédito Empresas e Crédito Imobiliário.

dbos-inc/agent-skills

Skill Claude CodeCodex

DBOS Go SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Go code with DBOS, creating workflows and steps, using queues, using the DBOS Client from external applications, or building Go applications that need to be resilient to failures.

aatrey882/servicenow-agent-skills

Skill Claude CodeCodex

Use when working with ServiceNow Fluent DSL (.now.ts files) — generating, reviewing, or explaining metadata definitions for tables, ACLs, business rules, UI pages, client scripts, script includes, flows, service portal widgets, and other ServiceNow metadata types. Covers all 6 column types, all $id-required types, and…

thenguyenvn90/claude-wp-cli

Skill Claude Code

WordPress management via REST API — posts, pages, media, taxonomy, ACF fields, schema, guarded publishing (slug-guard, markdown-leak, em-dash, drift), SEO meta (RankMath/Yoast/generic with focus-keyword merge), comments, plugins, users, search, menus, widgets, and settings. Use when the user wants to create, update…

kingpanther13/Hubitat-local-MCP-server

Skill Claude CodeCodex

Guide for developing and maintaining the Hubitat MCP Rule Server — a Groovy-based MCP server running natively on Hubitat Elevation hubs, exposing 115 tools (36 on tools/list via category gateway proxy) for device control, virtual device management, room management, rule automation, hub admin, file management…

guywaldman/glue

Skill Claude CodeCodex

Official Glue IDL guide for agents. Use when designing, writing, reviewing, validating, or generating code from Glue files and .gluerc config for TypeScript, Python, Rust, Go, OpenAPI, JSON Schema, or Protobuf.

castle-x/skills-x

Skill Claude CodeCodex needs its repo

Integrate PocketBase as a Go library using the github.com/castle-x/goutils/pocketbase (gopb) package to build single-binary full-stack applications. Use when building Go applications that need user authentication, embedding PocketBase into Go binary, registering custom API routes, managing default users, serving…

ethos-link/rails-conventions

Skill Codex

Modern Ruby and Rails application architecture, implementation, and review guidance for production codebases. Use when building or reviewing Ruby on Rails 8 features across models, controllers, routes, Hotwire, jobs, APIs, performance, security, and testing. Trigger for requests mentioning Rails 8, Active Record…

paulieb89/property-shared

Skill Claude Code

Use when adding a new external data source (API, scraper, etc.) to propertycore. Walks through the complete 6-step process with patterns from existing implementations.

CodeForUsers/odoo-dev-superskill

Skill Claude CodeCodex

Expert guide for creating, reviewing, refactoring, and migrating Odoo modules in versions 16.0, 17.0, 18.0, 19.0, and 20.0, strictly following OCA Guidelines and Odoo 20 official house rules. Use it when the user mentions: creating an Odoo module, inheriting models or views, writing security (ACL/ir.rule), migrating…

connorads/dotfiles

Skill Claude CodeCodex

Design the target structure of software: clear boundaries, typed domain models, and testable flows. Use for substantial design work, hard-to-test code, domain modelling, module organisation, API and endpoint contract design, ports/adapters, functional core / imperative shell, explicit error handling, observability, or…

nklofy/code-agent-skills

Skill Claude CodeCodex

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

tsitsishvili/documentator

Skill Claude CodeCodex

Build, change, diagnose, or verify Laravel API endpoints documented by tsitsishvili/documentator. Use for routes, controllers, closures, FormRequests, inline validation, API Resources, Eloquent models, Spatie Data, Laravel Actions, HTTP QUERY operations, callbacks, webhooks, streaming responses, recorded examples…

Postman-Devrel/agent-skills

Skill Claude Code

Full API lifecycle management through Postman. Sync OpenAPI specs to collections, generate typed client code, run API tests, create mock servers, publish documentation, audit security against OWASP Top 10, and discover APIs across workspaces. Requires the Postman MCP Server. Use this skill when the user mentions…

apifox/apifox-cli-skills

Skill Claude CodeCodex

A guide for building and managing Apifox test scenarios, which are ordered workflows that check how several API calls and other actions work together.

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.

PolarCoding85/convex-agent-skillz

Skill Claude Code

Build AI agents with persistent threads, tool calling, and streaming on Convex. Use when implementing chat interfaces, AI assistants, multi-agent workflows, RAG systems, or any LLM-powered features with message history.