12,582 tagged Backend and APIs, measured the same way as everything else here.
Browse within: agents 160skills 141LLM 111agent 90azure 80agentic-ai 77api 71claude-code-plugin 61ai-coding-agent 58antigravity 54sdk 51nextjs 50claude-code-skills 49cli 48
jeremieb/swift-unit-test-instructions
Skill Claude CodeCodex
Builds a protocol-based async/await networking layer with URLSession, testable abstractions, error handling, and mock support for Swift projects. Use when user says "add networking", "create an API layer", "fetch data from API", "build a network service", "add URLSession", "implement HTTP requests", "create a REST…
matshoppenbrouwers/anvil-uplink-cli
Skill Claude CodeCodex
Inspect live Anvil Data Tables and invoke server callables from the terminal via the anvil-uplink-cli tool (anvil-bridge). Use when the user references an Anvil app, asks to query/read/inspect a Data Table row, needs to call an @anvil.server.callable function against a deployed app, or mentions files like anvil.yaml /…
yopiesuryadi/mailbot-programmable-inbox
Skill Claude CodeCodex
Integrate mailbot API for AI agent email automation. Create programmable inboxes, send and receive emails, track delivery events, and handle email-based workflows via API, SDK, or MCP Server. Use when building AI agents that need email identity, when setting up agent-to-human communication, when replacing Gmail or…
Skill Claude CodeCodex
Complete PrestaShop module development workflow using modern architecture and best practices. Use when: creating new PrestaShop modules, updating legacy modules to modern code, implementing hooks and actions, setting up module configuration pages, adding front office features, handling database operations…
Skill Claude CodeCodex
Integrate, test, debug, and harden Verify.et transaction verification API implementations. Use when building Verify.et server-side adapters, payment or checkout verification, webhook receivers, polling or SSE status flows, API-key auth, idempotency, credits or quota handling, bank-specific payloads, or production…
Skill Claude CodeCodex
Call verified no-key public APIs. Use when the user needs a free HTTPS API with no signup — weather, geo, news, crypto, dictionaries, test data, or any category in the index.
Skill Claude CodeCodex
Expert guide for developing applications with the ABP Framework (abp.io) using ASP.NET Core, DDD patterns, and Razor Pages / MVC UI. Use this skill whenever the user mentions ABP, abp.io, Volo.Abp, AbpModule, application services, aggregate roots, domain services, ABP CLI, IRepository, PermissionDefinitionProvider…
Skill Codex
Use when building, refactoring, or documenting Graft apps and proxies, including when asked to create a tool server, API server, dual-protocol server, or MCP-HTTP bridge. Graft's core thesis: define tools once and serve them as both HTTP REST endpoints and MCP tools from the same server, with discovery, docs, and…
surfmind-space/awesome-surfmind
Skill Claude CodeCodex
Turns REST API documentation into a runnable curl, fetch, or code example with required headers, request body, and placeholders for secrets. Use when the user wants to generate a request from API docs, an endpoint, or a Swagger/OpenAPI spec — "give me a curl for this", "show a fetch example", "how do I call this API".
Skill Claude CodeCodex
SHOPLINE app authorization and request signing. Use when implementing OAuth 2.0 authorization (public/custom apps), exchanging codes for access tokens, refreshing tokens, signing GET/POST requests with HMAC-SHA256, or verifying SHOPLINE webhook/callback signatures.
Skill Claude CodeCodex
Laravel Filament v4 admin panel, Debugbar development, SEOTools, third-party packages. ALWAYS activate when: working with admin panel, Filament resources, forms, tables, SEO meta tags, debugging. Triggers on: Filament form field, admin CRUD, resource table, action button, widget, Debugbar query log, N+1 detected, SEO…
microsoft/Build26-DEM332-from-zero-to-teammate-in-25-minutes-build-a-teams-agent-live
Skill Claude CodeCodex ✓ vendor
Use this skill whenever the user mentions Microsoft Teams in a development context — whether they're building, integrating, configuring, debugging, or just asking questions. Covers bots, message extensions, embedded web apps, Adaptive Cards, dialogs, SSO, infrastructure, the Teams Developer CLI/SDK, and general Teams…
Skill Claude CodeCodex
Add Polar billing to a TypeScript/JavaScript app using the @polar-sh/sdk package. Use this skill whenever the user wants to add a Checkout endpoint, a Customer Portal endpoint, or a Webhooks endpoint for Polar to any framework — Next.js, Express, Hono, Astro, SvelteKit, Remix, TanStack Start, Nuxt, Fastify, Elysia…
Skill Claude CodeCodex
Integrate and troubleshoot the current Aftermath HTTP/OpenAPI and WebSocket API, including native perpetuals, CCXT, DCA and limit orders, pools, farms, staking, prices, auxiliary utilities, wallet/auth endpoints, and operational safety. Use for raw Aftermath API requests, endpoint schemas, API failures, and API-side…
Skill Claude CodeCodex
Implement "Sign in with SSO" in Go applications using SSOJet OIDC Authorization Code flow.
kudosity/gemini-kudosity-sms-extension
Skill Claude CodeCodex
Create and manage webhooks for delivery updates, inbound messages, link hits, and opt-outs.
Skill Claude Code
Activates when user needs help designing REST APIs, GraphQL schemas, or API architecture. Triggers on "design API", "REST endpoint", "GraphQL schema", "API structure", "endpoint naming", "API versioning", "request/response format", or API design questions.
Skill Claude CodeCodex
Tương tác với Pancake Platform API để quản lý pages, conversations, messages, customers, statistics, tags, posts, users. Sử dụng khi cần (1) Quản lý pages và tạo access token, (2) Xử lý conversations và messages, (3) Quản lý thông tin customers, (4) Xem statistics và analytics, (5) Quản lý tags và posts, (6) Quản lý…
forest6511/claude-code-recipes-v2
Skill Claude Code
A tool that creates REST API documentation in OpenAPI 3.1, a standard format for describing how web APIs work. It can document new or existing endpoints and check API changes in pull requests.
yechao-zhang/red-team-agent-skills
Skill Claude Code
Auto-discover and communicate with any AI agent given its URL via API. Supports REST APIs (OpenAI, Anthropic, Ollama), WebSockets, and Gradio apps. Claude Code acts as the user, automatically detecting the agent's API interface and sending messages. Use when: (1) User provides an API endpoint URL, (2) Need to automate…
Primadetaautomation/primadata-marketplace
Skill Claude Code
API design, database patterns, REST/GraphQL, microservices architecture, and backend best practices.
Skill Claude CodeCodex
Generate optimized XanoScript code for Xano backend development. Use when creating APIs, custom functions, database operations, data transformations, or any backend logic in Xano. Covers primitives, inputs, stacks, variables, filters, loops, conditionals, and expressions.
Skill Claude CodeCodex
An API documentation generator that turns an interface description or code into documentation in Chinese or English. The documentation can describe requests, responses, errors, permissions, and examples, using Markdown or OpenAPI 3.0 YAML.
catch-the-wave/fullstack-ios-claude-skills
Skill Claude CodeCodex
Backend architecture, API design, and ML/AI systems expertise. Use for API design, data flows, ML pipelines, embeddings, vector databases, or architectural decisions. Researches best practices via Perplexity when uncertain.
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: