# Skills for Backend and APIs Skills for Backend and APIs: what each one does, an install command and example prompts. 2076 cards · page 15 of 52 - HTML: https://affpapa.org/en/nevibecode/skills/topic/backend?page=15 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [skybridge](https://affpapa.org/en/nevibecode/skills/skybridge.md) — skill · alpic-ai · Claude Code, Codex, Cursor +3 · 1100 installs — A skill that walks you from idea to release for Claude plugins and MCP Apps: bootstrap, build, debug, deploy. - [wp-guard](https://affpapa.org/en/nevibecode/skills/wp-guard.md) — skill · amElnagdy · Claude Code, Codex, Cursor +3 · 2600 installs — Reviews WordPress plugins, themes, and blocks before they ship. - [build-live-game](https://affpapa.org/en/nevibecode/skills/build-live-game.md) — skill · Unity-Technologies · Claude Code, Codex, Cursor +3 · 6000 installs — Brings Unity Gaming Services into a project: player accounts, cloud saves, leaderboards, Cloud Code and Remote Config. - [add-app-to-server](https://affpapa.org/en/nevibecode/skills/add-app-to-server.md) — skill · modelcontextprotocol · Claude Code, Codex, Cursor +3 · 1200 installs — A skill that gives the tools of a running MCP server an interactive HTML view. - [scaffold-dotnet-test-project](https://affpapa.org/en/nevibecode/skills/scaffold-dotnet-test-project.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 2600 installs — Creates or repairs a .NET test project: finds why CI discovers zero tests and wires the project into the solution file CI actually uses. - [start-server-core](https://affpapa.org/en/nevibecode/skills/start-server-core.md) — skill · TanStack · Claude Code, Codex, Cursor +3 · 355 installs — Reference for TanStack Start's server runtime: the request handler, request and response helpers, cookies. - [aurora-dsql](https://affpapa.org/en/nevibecode/skills/aurora-dsql.md) — skill · aws · Claude Code, Codex, Cursor +3 · 4700 installs — Configures Aurora DSQL clusters, manages schemas, and generates IAM auth tokens. - [elysiajs](https://affpapa.org/en/nevibecode/skills/elysiajs.md) — skill · elysiajs · Claude Code, Codex, Cursor +3 · 14000 installs — This skill helps build, debug, and migrate Elysia v2 TypeScript backends. - [redis-js](https://affpapa.org/en/nevibecode/skills/redis-js.md) — skill · upstash · Claude Code, Codex, Cursor +3 · 1500 installs — Reference guides for the @upstash/redis SDK in serverless setups. - [testability-obstacle](https://affpapa.org/en/nevibecode/skills/testability-obstacle.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 2500 installs — Adds the smallest production seam in C#/.NET code so a test stops depending on real time, files or randomness. - [voice-isolator](https://affpapa.org/en/nevibecode/skills/voice-isolator.md) — skill · elevenlabs · Claude Code, Codex, Cursor +3 · 6800 installs — Removes background noise and isolates speech or vocals through the ElevenLabs API. - [woocommerce-performance](https://affpapa.org/en/nevibecode/skills/woocommerce-performance.md) — skill · woocommerce · Claude Code, Codex, Cursor +3 · 325 installs — Flags database and caching bottlenecks in WooCommerce PHP code. - [nemo-guardrails](https://affpapa.org/en/nevibecode/skills/nemo-guardrails.md) — skill · Orchestra Research · Claude Code, Codex, Cursor +3 · 944 installs — This skill helps configure runtime safety for LLM apps, from jailbreak checks to PII filtering. - [db](https://affpapa.org/en/nevibecode/skills/db.md) — skill · oracle · Claude Code, Codex, Cursor +3 · 2900 installs — A skill that routes your agent through Oracle Database topics: SQL, PL/SQL, SQLcl, ORDS, migrations, performance and agent-safe database work. - [testing-api-authentication-weaknesses](https://affpapa.org/en/nevibecode/skills/testing-api-authentication-weaknesses.md) — skill · mahipal · Claude Code, Codex, Cursor +3 · 484 installs — Tests REST API authentication for bypasses, broken JWT implementations, and unprotected endpoints. - [temporal-developer](https://affpapa.org/en/nevibecode/skills/temporalio-temporal-developer.md) — skill · temporalio · Claude Code, Codex, Cursor +3 · 4700 installs — Guides work on Temporal workflows, activities, workers, and task queues. - [voice-changer](https://affpapa.org/en/nevibecode/skills/voice-changer.md) — skill · elevenlabs · Claude Code, Codex, Cursor +3 · 6500 installs — Transforms audio recordings into a target voice using ElevenLabs Speech-to-Speech while keeping original timing, laughs, and emotion. - [aws-auth](https://affpapa.org/en/nevibecode/skills/aws-auth.md) — skill · aws · Claude Code, Codex, Cursor +3 · 4500 installs — Adds Amazon Cognito authentication to web and mobile apps. - [speech-engine](https://affpapa.org/en/nevibecode/skills/speech-engine.md) — skill · elevenlabs · Claude Code, Codex, Cursor +3 · 6500 installs — Wires ElevenLabs Speech Engine into a custom agent: ElevenLabs handles mic audio, speech-to-text and playback, your server streams the reply text. - [clerk-cli](https://affpapa.org/en/nevibecode/skills/clerk-cli.md) — skill · clerk · Claude Code, Codex, Cursor +3 · 33800 installs — Teaches the agent to drive the clerk binary instead of hand-rolled curl: users, orgs, sessions, webhooks, deploy checks. - [onchain-pay-open-api](https://affpapa.org/en/nevibecode/skills/onchain-pay-open-api.md) — skill · onchain-pay-team · Claude Code, Codex, Cursor +3 · 4500 installs — Skill for calling Binance Onchain-Pay Open API endpoints with RSA SHA256 request signing. - [supabase-server](https://affpapa.org/en/nevibecode/skills/supabase-server.md) — skill · supabase · Claude Code, Codex, Cursor +3 · 9700 installs — Tells the agent how to write Edge Functions, Hono apps and webhook handlers on @supabase/server: auth modes, clients, inbound request checks. - [openfda-database](https://affpapa.org/en/nevibecode/skills/openfda-database.md) — skill · google-deepmind · Claude Code, Codex, Cursor +3 · 2200 installs — Queries, counts and downloads records from the openFDA API. - [fiat](https://affpapa.org/en/nevibecode/skills/fiat.md) — skill · Binance · Claude Code, Codex, Cursor +3 · 4500 installs — A skill that answers questions about buying and selling crypto with fiat, payment methods by country, limits and rates through Binance public APIs. - [review-logging-patterns](https://affpapa.org/en/nevibecode/skills/review-logging-patterns.md) — skill · HugoRCD · Claude Code, Codex, Cursor +3 · 750 installs — The skill audits logging in a TypeScript codebase, flags console.log spam and context-free errors, and suggests moving to evlog. - [api-sec](https://affpapa.org/en/nevibecode/skills/api-sec.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3900 installs — Routes API security testing across REST, GraphQL, and mobile backends. - [testing-for-json-web-token-vulnerabilities](https://affpapa.org/en/nevibecode/skills/testing-for-json-web-token-vulnerabilities.md) — skill · mahipal · Claude Code, Codex, Cursor +3 · 431 installs — Guides coding agents through auditing JWT implementations for none-algorithm bypass, RS256-to-HS256 confusion, kid injection, and weak secrets. - [api-auth-and-jwt-abuse](https://affpapa.org/en/nevibecode/skills/api-auth-and-jwt-abuse.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3800 installs — A playbook for probing bearer tokens, API keys and claim trust. - [api-recon-and-docs](https://affpapa.org/en/nevibecode/skills/api-recon-and-docs.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3800 installs — A playbook skill for mapping REST, mobile, and GraphQL API surfaces. - [ssrf-server-side-request-forgery](https://affpapa.org/en/nevibecode/skills/ssrf-server-side-request-forgery.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3900 installs — A skill for reviewing SSRF in features that fetch URLs, resolve hostnames, import remote content, or reach internal services. - [convert-web-app](https://affpapa.org/en/nevibecode/skills/convert-web-app.md) — skill · modelcontextprotocol · Claude Code, Codex, Cursor +3 · 966 installs — Guides the conversion of an existing web app into an MCP App while retaining standalone browser use. - [connectivity-triage](https://affpapa.org/en/nevibecode/skills/connectivity-triage.md) — skill · Seth Hobson · Claude Code, Codex, Cursor · 743 installs — Diagnoses active macOS network failures without modifying system settings. - [vectorization](https://affpapa.org/en/nevibecode/skills/vectorization.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 2000 installs — Guides SIMD code design, implementation, and review in .NET projects. - [nodejs-core](https://affpapa.org/en/nevibecode/skills/nodejs-core.md) — skill · mcollina · Claude Code, Codex, Cursor +3 · 1900 installs — A skill for editing and debugging Node.js core: nodejs/node commits and PRs, native crashes, V8, node-gyp, N-API and libuv. - [django-storages-s3](https://affpapa.org/en/nevibecode/skills/django-storages-s3.md) — skill · https://github.com/awais786 · Claude Code, Codex, Cursor +3 · 900 installs — A skill that wires Django static and media files to AWS S3 through django-storages and boto3: the STORAGES dict, presigned URLs, CloudFront, IAM. - [clerk](https://affpapa.org/en/nevibecode/skills/clerk.md) — skill · clerk · Claude Code, Codex, Cursor +3 · 30000 installs — Reads your Clerk question and routes it to the right sub-skill: setup, CLI, framework patterns, billing, webhooks. - [backend-development](https://affpapa.org/en/nevibecode/skills/backend-development.md) — skill · mrgoonie · Claude Code, Codex, Cursor +3 · 2300 installs — A skill that walks your agent through API design, database schemas, auth and CI/CD. - [aws-step-functions](https://affpapa.org/en/nevibecode/skills/aws-step-functions.md) — skill · aws · Claude Code, Codex, Cursor +3 · 3900 installs — Authors and edits AWS Step Functions definitions in Amazon States Language: state types, JSONata, Retry/Catch, Distributed Map. - [oauth-oidc-misconfiguration](https://affpapa.org/en/nevibecode/skills/oauth-oidc-misconfiguration.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3700 installs — Testing playbook for OAuth 2.0 and OpenID Connect configurations. - [cors-cross-origin-misconfiguration](https://affpapa.org/en/nevibecode/skills/cors-cross-origin-misconfiguration.md) — skill · yaklang · Claude Code, Codex, Cursor +3 · 3700 installs — Guides testing of CORS misconfigurations, origin reflection, and credentialed API access. Next: https://affpapa.org/en/nevibecode/skills/topic/backend.md?page=16 ## 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) · [webhooks](https://affpapa.org/en/nevibecode/tag/webhooks.md) · [react](https://affpapa.org/en/nevibecode/tag/react.md) · [nextjs](https://affpapa.org/en/nevibecode/tag/nextjs.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