# Skills for Backend and APIs Skills for Backend and APIs: what each one does, an install command and example prompts. 2279 cards · page 33 of 57 - HTML: https://affpapa.org/en/nevibecode/skills/topic/backend?page=33 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [aem-workflow](https://affpapa.org/en/nevibecode/skills/aem-workflow.md) — skill · adobe · Claude Code, Codex, Cursor +3 · 987 installs — Entry point for the AEM 6.5 LTS Workflow skill set: reads your request and routes it to the right specialist, from model design to stuck-instance debugging. - [agentmail](https://affpapa.org/en/nevibecode/skills/agentmail.md) — skill · agentmail-to · Claude Code, Codex, Cursor +3 · 2900 installs — Teaches your agent to write code against the AgentMail TypeScript or Python SDK: inboxes, messages, webhooks, domains. - [postmark](https://affpapa.org/en/nevibecode/skills/postmark.md) — skill · postmark · Claude Code, Codex, Cursor +3 · 782 installs — A routing skill for Postmark: it tells the agent which sub-skill to use for sending mail, inbound processing, templates or webhooks. - [hyva-create-module](https://affpapa.org/en/nevibecode/skills/hyva-create-module.md) — skill · hyva-themes · Claude Code, Codex, Cursor +3 · 1300 installs — Scaffolds a Magento 2 module in app/code/ with registration.php, composer.json and etc/module.xml. - [hyva-exec-shell-cmd](https://affpapa.org/en/nevibecode/skills/hyva-exec-shell-cmd.md) — skill · hyva-themes · Claude Code, Codex, Cursor +3 · 1300 installs — Identifies the Magento dev setup and selects the right command wrapper for containers or local execution. - [nhl-data](https://affpapa.org/en/nevibecode/skills/nhl-data.md) — skill · machina-sports · Claude Code, Codex, Cursor +3 · 681 installs — Fetches NHL scores, rosters, schedules, and analytics via ESPN and the official NHL API. - [jwt-security](https://affpapa.org/en/nevibecode/skills/jwt-security.md) — skill · Mindrally · Claude Code, Codex, Cursor +3 · 1600 installs — A skill that feeds your coding agent a checklist for JWT work: algorithm allowlists, required claims, short token lifetimes, safe storage. - [onboarding](https://affpapa.org/en/nevibecode/skills/launchdarkly-onboarding.md) — skill · launchdarkly · Claude Code, Codex, Cursor +3 · 4800 installs — This skill guides a project through LaunchDarkly SDK setup and creation of a first feature flag. - [composio](https://affpapa.org/en/nevibecode/skills/starchild-ai-agent-composio.md) — skill · Starchild-ai-agent · Claude Code, Codex, Cursor +3 · 4300 installs — This skill lets an agent work with Gmail, Slack, GitHub, Calendar, and other connected apps through Composio Gateway. - [choose-your-parallel-api](https://affpapa.org/en/nevibecode/skills/choose-your-parallel-api.md) — skill · parallel-web · Claude Code, Codex, Cursor +3 · 1200 installs — Guides an agent to the right Parallel API and settings for the job: live web data, a cited answer, reading a URL or PDF, or researching every row of a list. - [api-audit](https://affpapa.org/en/nevibecode/skills/api-audit.md) — skill · briiirussell · Claude Code, Codex, Cursor +3 · 482 installs — Walks your REST, GraphQL and RPC endpoints against the OWASP API Security Top 10 (2023). - [adding-auth](https://affpapa.org/en/nevibecode/skills/adding-auth.md) — skill · spencerpauly · Claude Code, Codex, Cursor +3 · 379 installs — A skill that walks the agent through adding authentication to a web app with NextAuth.js: OAuth providers, sessions and protected routes. - [streaming-ssr](https://affpapa.org/en/nevibecode/skills/streaming-ssr.md) — skill · patterns.dev · Claude Code, Codex, Cursor +3 · 883 installs — Teaches the agent to flush HTML in chunks with renderToPipeableStream and Suspense. - [drupal-expert](https://affpapa.org/en/nevibecode/skills/drupal-expert.md) — skill · madsnorgaard · Claude Code, Codex, Cursor +3 · 1100 installs — Guides coding agents through modern Drupal 10 and 11 development, enforcing contrib research, constructor dependency injection, and automated PHPUnit tests. - [adding-stripe](https://affpapa.org/en/nevibecode/skills/adding-stripe.md) — skill · spencerpauly · Claude Code, Codex, Cursor +3 · 369 installs — Walks the agent through Stripe setup: SDK, keys, checkout sessions, webhooks and a customer portal for subscriptions. - [connector-slack](https://affpapa.org/en/nevibecode/skills/connector-slack.md) — skill · caffeinelabs · Claude Code, Codex, Cursor +3 · 14300 installs — A skill that gets your agent posting messages to a Slack channel from a Caffeine canister through the slack-client package. - [typescript-e2e-testing](https://affpapa.org/en/nevibecode/skills/typescript-e2e-testing.md) — skill · bmad-labs · Claude Code, Codex, Cursor +3 · 2300 installs — Guides Claude Code and other tools through setting up, writing, and debugging E2E tests for TypeScript and NestJS using Jest, Supertest, and Docker. - [otel-semantic-conventions](https://affpapa.org/en/nevibecode/skills/dash0-otel-semantic-conventions.md) — skill · dash0 · Claude Code, Codex, Cursor +3 · 700 installs — Picks and reviews telemetry attributes against the OpenTelemetry Semantic Conventions spec. - [runway-dev](https://affpapa.org/en/nevibecode/skills/runway-dev.md) — skill · runwayml · Claude Code, Codex, Cursor +3 · 774 installs — This skill guides Runway Dev integrations through current API contracts and the official SDK. - [adding-feature-flags](https://affpapa.org/en/nevibecode/skills/adding-feature-flags.md) — skill · spencerpauly · Claude Code, Codex, Cursor +3 · 361 installs — Adds feature toggles for gradual rollouts and A/B tests using PostHog or local environment variables. - [create-assistant](https://affpapa.org/en/nevibecode/skills/create-assistant.md) — skill · vapi · Claude Code, Codex, Cursor +3 · 1100 installs — A skill that designs and builds Vapi voice assistants: phone and web agents, system prompts, model and voice selection. - [flask-python](https://affpapa.org/en/nevibecode/skills/flask-python.md) — skill · Mindrally · Claude Code, Codex, Cursor +3 · 1500 installs — Flask coding guidelines for AI assistants. - [postgresql-best-practices](https://affpapa.org/en/nevibecode/skills/postgresql-best-practices.md) — skill · Mindrally · Claude Code, Codex, Cursor +3 · 1500 installs — A skill that feeds your agent PostgreSQL rules: data types, schema design, indexing, query plans and database maintenance. - [dotnet-inspect](https://affpapa.org/en/nevibecode/skills/dotnet-inspect.md) — skill · richlander · Claude Code, Codex, Cursor +3 · 508 installs — A skill that pulls evidence about .NET packages, libraries and APIs instead of guessing: what ships inside, which dependencies, how versions differ. - [reddit-api](https://affpapa.org/en/nevibecode/skills/alinaqi-reddit-api.md) — skill · alinaqi · Claude Code, Codex, Cursor +3 · 316 installs — A skill for pulling Reddit data into your app: posts, comments, subreddits and user info via PRAW or Snoowrap. - [api-design](https://affpapa.org/en/nevibecode/skills/margelo-api-design.md) — skill · margelo · Claude Code, Codex, Cursor +3 · 552 installs — This skill shapes and reviews public APIs for TypeScript, JavaScript, React, and React Native libraries before implementation. - [swap-tokens](https://affpapa.org/en/nevibecode/skills/swap-tokens.md) — skill · circlefin · Claude Code, Codex, Cursor +3 · 848 installs — A skill that walks your agent through building token swaps in the browser or on the server with Circle App Kit or Swap Kit. - [attio-mcp-usage](https://affpapa.org/en/nevibecode/skills/attio-mcp-usage.md) — skill · kesslerio · Claude Code, Codex, Cursor +3 · 682 installs — A skill with workflow patterns and error-prevention rules for the Attio MCP server, so multi-step calls stop failing on syntax. - [docker-compose-orchestration](https://affpapa.org/en/nevibecode/skills/docker-compose-orchestration.md) — skill · manutej · Claude Code, Codex, Cursor +3 · 2900 installs — A skill that helps your agent write Docker Compose files for multi-container apps: services, networks, volumes, health checks and startup order. - [aspireify](https://affpapa.org/en/nevibecode/skills/aspireify.md) — skill · Microsoft · Claude Code, Codex, Cursor +3 · 630 installs — The skill scans your repo, proposes a resource graph and turns a bare AppHost into a working one. - [sap-fiori-add-visual-filter](https://affpapa.org/en/nevibecode/skills/sap-fiori-tools-sap-fiori-add-visual-filter.md) — skill · sap-fiori-tools · Claude Code, Codex, Cursor +3 · 601 installs — Adds chart-based visual filters to SAP Fiori Elements filter bars and value help dialogs using CAP or ABAP RAP. - [integrate-whatsapp-calling](https://affpapa.org/en/nevibecode/skills/integrate-whatsapp-calling.md) — skill · gokapso · Claude Code, Codex, Cursor +3 · 392 installs — Connects voice agents to WhatsApp Calling via Kapso. - [contract-testing](https://affpapa.org/en/nevibecode/skills/contract-testing.md) — skill · kindlmann · Claude Code, Codex, Cursor +3 · 1100 installs — A skill for consumer-driven contract testing with Pact-JS: writes consumer tests, verifies providers, gates deploys on can-i-deploy. - [copilot-sdk](https://affpapa.org/en/nevibecode/skills/intellectronica-copilot-sdk.md) — skill · intellectronica · Claude Code, Codex, Cursor +3 · 531 installs — Gives your agent a working reference for the GitHub Copilot SDK: setup, auth, permissions, streaming events and sessions across five languages. - [cloudflare-d1](https://affpapa.org/en/nevibecode/skills/alinaqi-cloudflare-d1.md) — skill · alinaqi · Claude Code, Codex, Cursor +3 · 311 installs — Teaches the agent to build on Cloudflare D1: Drizzle schema, Wrangler migrations, a Worker with a DB binding. - [atlas-cloud](https://affpapa.org/en/nevibecode/skills/atlas-cloud.md) — skill · AtlasCloudAI · Claude Code, Codex, Cursor +3 · 741 installs — This skill wires Atlas Cloud into your project: image, video, audio and 3D generation plus LLM calls behind a single API. - [sap-fiori-app-development](https://affpapa.org/en/nevibecode/skills/sap-fiori-app-development.md) — skill · sap-fiori-tools · Claude Code, Codex, Cursor +3 · 595 installs — A skill that tells the agent how to build SAP Fiori Elements apps: List Report, Object Page, Worklist, wired to CAP or an OData service. - [powersync](https://affpapa.org/en/nevibecode/skills/powersync.md) — skill · powersync · Claude Code, Codex, Cursor +3 · 1300 installs — Guides PowerSync integration, Sync Streams setup, local SQLite schema migrations, and troubleshooting for offline-first web and mobile applications. - [payment-testing](https://affpapa.org/en/nevibecode/skills/payment-testing.md) — skill · kindlmann · Claude Code, Codex, Cursor +3 · 978 installs — A testing skill for end-to-end payment flows against Stripe, Adyen, and PayPal sandboxes. - [ms-teams-apps](https://affpapa.org/en/nevibecode/skills/ms-teams-apps.md) — skill · alinaqi · Claude Code, Codex, Cursor +3 · 303 installs — A skill for building Microsoft Teams bots, tabs and message extensions wired to an LLM. Next: https://affpapa.org/en/nevibecode/skills/topic/backend.md?page=34 ## Refine [typescript](https://affpapa.org/en/nevibecode/tag/typescript.md) · [api](https://affpapa.org/en/nevibecode/tag/api.md) · [python](https://affpapa.org/en/nevibecode/tag/python.md) · [dotnet](https://affpapa.org/en/nevibecode/tag/dotnet.md) · [java](https://affpapa.org/en/nevibecode/tag/java.md) · [rest-api](https://affpapa.org/en/nevibecode/tag/rest-api.md) · [database](https://affpapa.org/en/nevibecode/tag/database.md) · [node](https://affpapa.org/en/nevibecode/tag/node.md) · [csharp](https://affpapa.org/en/nevibecode/tag/csharp.md) · [react](https://affpapa.org/en/nevibecode/tag/react.md) · [webhooks](https://affpapa.org/en/nevibecode/tag/webhooks.md) · [cli](https://affpapa.org/en/nevibecode/tag/cli.md) ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md