# Skills for Backend and APIs Skills for Backend and APIs: what each one does, an install command and example prompts. 2279 cards · page 13 of 57 - HTML: https://affpapa.org/en/nevibecode/skills/topic/backend?page=13 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [principle-migrate-callers-then-delete-legacy-apis](https://affpapa.org/en/nevibecode/skills/principle-migrate-callers-then-delete-legacy-apis.md) — skill · backnotprop · Claude Code, Codex, Cursor +3 · 5200 installs — Instructs the assistant to migrate internal callers and delete legacy APIs in a single wave, skipping temporary compatibility layers. - [principle-model-the-domain](https://affpapa.org/en/nevibecode/skills/principle-model-the-domain.md) — skill · backnotprop · Claude Code, Codex, Cursor +3 · 5200 installs — Guides an agent to model domain rules in data structures instead of growing conditionals. - [msbuild-antipatterns](https://affpapa.org/en/nevibecode/skills/msbuild-antipatterns.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3900 installs — Audits MSBuild project files and targets to surface anti-patterns. - [django-drf](https://affpapa.org/en/nevibecode/skills/django-drf.md) — skill · prowler-cloud · Claude Code, Codex, Cursor +3 · 482 installs — Skill for building REST APIs on Django with ViewSets, serializers, and filters following Prowler standards. - [principle-separate-before-serializing-shared-state](https://affpapa.org/en/nevibecode/skills/principle-separate-before-serializing-shared-state.md) — skill · backnotprop · Claude Code, Codex, Cursor +3 · 5100 installs — Architectural guideline for concurrent actors: eliminate shared mutable state across files or keys first, resorting to locks only when a single writer is strictly required. - [system-design](https://affpapa.org/en/nevibecode/skills/wondelai-system-design.md) — skill · wondelai · Claude Code, Codex, Cursor +3 · 6200 installs — A skill that walks your agent through four design stages: requirements and scale, high-level diagram, capacity estimates, tradeoffs. - [music](https://affpapa.org/en/nevibecode/skills/music.md) — skill · elevenlabs · Claude Code, Codex, Cursor +3 · 10900 installs — Generates tracks, songs with lyrics, and background audio using ElevenLabs Music API directly from your coding agent. - [solid](https://affpapa.org/en/nevibecode/skills/solid.md) — skill · ramziddin · Claude Code, Codex, Cursor +3 · 3500 installs — Enforces TDD workflows, SOLID design, and strict clean code constraints across coding tasks. - [dotnet-trace-collect](https://affpapa.org/en/nevibecode/skills/dotnet-trace-collect.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3800 installs — Guides developers in selecting diagnostic tools and capturing traces for production .NET performance issues across Windows, Linux, and containers. - [software-design-philosophy](https://affpapa.org/en/nevibecode/skills/software-design-philosophy.md) — skill · wondelai · Claude Code, Codex, Cursor +3 · 6100 installs — A design-review skill that rates module depth, information leakage and comment quality, then names the fix for each failed check. - [clerk-setup](https://affpapa.org/en/nevibecode/skills/clerk-setup.md) — skill · clerk · Claude Code, Codex, Cursor +3 · 56600 installs — Configures Clerk authentication via the Clerk CLI or scaffolds a fresh app with auth preconfigured. - [testing-api-security-with-owasp-top-10](https://affpapa.org/en/nevibecode/skills/testing-api-security-with-owasp-top-10.md) — skill · mahipal · Claude Code, Codex, Cursor +3 · 769 installs — Walks an agent through OWASP API Security Top 10 (2023) checks on REST, GraphQL and gRPC endpoints. - [msbuild-modernization](https://affpapa.org/en/nevibecode/skills/msbuild-modernization.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3700 installs — A skill that rewrites legacy .NET project files to SDK-style: trims the XML, moves packages to PackageReference, hands assembly attributes to the SDK. - [insforge-debug](https://affpapa.org/en/nevibecode/skills/insforge-debug.md) — skill · InsForge · Claude Code, Codex, Cursor +3 · 56700 installs — A debugging skill for InsForge projects: traces SDK errors, RLS denials, gateway timeouts and failed edge function deploys back to a cause. - [analyzing-api-gateway-access-logs](https://affpapa.org/en/nevibecode/skills/analyzing-api-gateway-access-logs.md) — skill · mahipal · Claude Code, Codex, Cursor +3 · 761 installs — This skill parses API Gateway access logs and flags BOLA/IDOR, rate-limit bypass, credential scanning, and injection attempts. - [insforge-integrations](https://affpapa.org/en/nevibecode/skills/insforge-integrations.md) — skill · InsForge · Claude Code, Codex, Cursor +3 · 55900 installs — A skill that walks your agent through hooking a third-party auth provider into InsForge and through taking x402 payments on an HTTP endpoint. - [sanity-migration](https://affpapa.org/en/nevibecode/skills/sanity-migration.md) — skill · sanity-io · Claude Code, Codex, Cursor +3 · 22200 installs — Plans and executes content migrations from legacy CMS platforms into Sanity. - [clerk-nextjs-patterns](https://affpapa.org/en/nevibecode/skills/clerk-nextjs-patterns.md) — skill · clerk · Claude Code, Codex, Cursor +3 · 53400 installs — Provides authentication and authorization patterns for Next.js with Clerk. - [dotnet-pinvoke](https://affpapa.org/en/nevibecode/skills/dotnet-pinvoke.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3500 installs — Calls C and C++ native libraries from .NET via DllImport and LibraryImport. - [binlog-failure-analysis](https://affpapa.org/en/nevibecode/skills/binlog-failure-analysis.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3600 installs — Diagnoses MSBuild build failures from .binlog files. - [clerk-webhooks](https://affpapa.org/en/nevibecode/skills/clerk-webhooks.md) — skill · clerk · Claude Code, Codex, Cursor +3 · 52800 installs — Hands the agent a working pattern for Clerk webhook handlers: signature verification, event routing, and database sync for users, sessions, orgs and billing. - [minecraft-plugin-development](https://affpapa.org/en/nevibecode/skills/minecraft-plugin-development.md) — skill (official GitHub) · github · GitHub Copilot · 485 installs — Builds and debugs Minecraft server plugins for Paper, Spigot, and Bukkit. - [migrate-dotnet10-to-dotnet11](https://affpapa.org/en/nevibecode/skills/migrate-dotnet10-to-dotnet11.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — Systematically migrates .NET 10 solutions to .NET 11. - [technology-selection](https://affpapa.org/en/nevibecode/skills/technology-selection.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — Walks you from a task type to the right .NET 8+ library for AI and ML work. - [dump-collect](https://affpapa.org/en/nevibecode/skills/dump-collect.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — A skill that walks your agent through setting up automatic crash dumps for .NET apps and capturing a dump from a running process on Linux, macOS and Windows, containers included. - [migrate-dotnet9-to-dotnet10](https://affpapa.org/en/nevibecode/skills/migrate-dotnet9-to-dotnet10.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — Walks a project from net9.0 to net10.0: updates TargetFramework, fixes build errors and works through breaking changes in .NET 10, C# 14, ASP.NET Core 10 and EF Core 10. - [eval-performance](https://affpapa.org/en/nevibecode/skills/eval-performance.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — Diagnoses MSBuild project evaluation bottlenecks before compilation starts, from broad glob patterns to deep import chains. - [build-perf-baseline](https://affpapa.org/en/nevibecode/skills/build-perf-baseline.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3500 installs — Establishes MSBuild and .NET build performance baselines before you optimize. - [senior-backend](https://affpapa.org/en/nevibecode/skills/senior-backend.md) — skill · Alireza Rezvani · Claude Code · 1674 installs — Scaffolds backend APIs, detects database bottlenecks, and runs load tests. - [aws-amplify](https://affpapa.org/en/nevibecode/skills/aws-amplify.md) — skill · aws · Claude Code, Codex, Cursor +3 · 6600 installs — Skill for building and deploying full-stack apps with AWS Amplify Gen2. - [connecting-lambda-to-api-gateway](https://affpapa.org/en/nevibecode/skills/connecting-lambda-to-api-gateway.md) — skill · aws · Claude Code, Codex, Cursor +3 · 6600 installs — A skill that walks the agent through wiring an existing Lambda function into Amazon API Gateway: resources, methods, proxy integration, permissions and deploy. - [ddia-systems](https://affpapa.org/en/nevibecode/skills/ddia-systems.md) — skill · wondelai · Claude Code, Codex, Cursor +3 · 5400 installs — Guides database choice, replication setup and consistency trade-offs when queries slow down at scale or replicas drift apart. - [connecting-lambda-to-dynamodb](https://affpapa.org/en/nevibecode/skills/connecting-lambda-to-dynamodb.md) — skill · aws · Claude Code, Codex, Cursor +3 · 6500 installs — Connects AWS Lambda functions to DynamoDB tables. - [thread-abort-migration](https://affpapa.org/en/nevibecode/skills/thread-abort-migration.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3300 installs — Guides migration of legacy .NET Framework Thread.Abort calls to cooperative cancellation using CancellationToken in .NET 6+. - [migrate-dotnet8-to-dotnet9](https://affpapa.org/en/nevibecode/skills/migrate-dotnet8-to-dotnet9.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3400 installs — A skill that walks a project from net8.0 to net9.0: updates the TargetFramework, then works through build errors and behavioral changes in .NET 9, C# 13, ASP.NET Core 9 and EF Core 9. - [release-it](https://affpapa.org/en/nevibecode/skills/release-it.md) — skill · wondelai · Claude Code, Codex, Cursor +3 · 5300 installs — A skill for building systems that survive failure: timeouts, circuit breakers, bulkheads, capacity planning and observability. - [creating-api-gateway-stage](https://affpapa.org/en/nevibecode/skills/creating-api-gateway-stage.md) — skill · aws · Claude Code, Codex, Cursor +3 · 6200 installs — Builds an API Gateway stage with CloudWatch logging, X-Ray tracing, throttling and WAF. - [aws-solution-architect](https://affpapa.org/en/nevibecode/skills/aws-solution-architect.md) — skill · Alireza Rezvani · Claude Code · 1586 installs — Designs AWS architectures, produces IaC templates, and reviews cloud costs. - [template-authoring](https://affpapa.org/en/nevibecode/skills/template-authoring.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3200 installs — Creates and validates custom dotnet new templates from existing .NET projects. - [template-instantiation](https://affpapa.org/en/nevibecode/skills/template-instantiation.md) — skill · dotnet · Claude Code, Codex, Cursor +3 · 3300 installs — Creates .NET projects using dotnet new while matching workspace CPM settings and target frameworks. Next: https://affpapa.org/en/nevibecode/skills/topic/backend.md?page=14 ## 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