Backend & APIs · For developers

Specialized integration evaluator for the Evaluate-Loop. An agent skill from Ibrahim-3d/orchestrator-supaconductor.

Ibrahim-3d/orchestrator-supaconductor

Guidelines for introducing and using nullable reference types (NRT) and System.Diagnostics.CodeAnalysis nullable attributes in C / .NET codebases.

Aaronontheweb/dotnet-skills

Adds authentication to a Lunora app with the auth registry item (better-auth via @lunora/auth, users and sessions in D1).

anolilab/lunora

Comprehensive API security review against OWASP API Security Top 10 (2023).

OWASP/secure-agent-playbook

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…

internet-court/internet-court-skill

Nuxt Content v3 Git-based CMS for Markdown/MDC content sites.

secondsky/claude-skills

Spring Boot 백엔드 테스트 레이어 가이드 및 검증 스킬. An agent skill from SeJonJ/ChatForYou.

SeJonJ/ChatForYou

A skill your agent uses when building any FrontMCP server component other than a tool (for tools, use create-tool).

agentfront/frontmcp

LiteLLM-RS Streaming Architecture. An agent skill from majiayu000/litellm-rs.

majiayu000/litellm-rs

Set up Shopify CLI auth and Admin API access for a store. An agent skill from jezweb/claude-skills.

jezweb/claude-skills

Converts OpenAPI 3.0 JSON/YAML to TypeScript interfaces and type guards.

davila7/claude-code-templates

Senior Laravel Engineer role for production-grade, maintainable, and idiomatic Laravel solutions.

davila7/claude-code-templates

A skill your agent uses when implementing Redis caching, cache invalidation, or distributed locking in Frappe.

Impertio-Studio/Frappe_Claude_Skill_Package

Fix password/secret authentication failures caused by trailing newlines when creating Google Cloud secrets (or similar) with bash here-strings.

divinevideo/divine-mobile

Agent skill for dev-backend-api - invoke with $agent-dev-backend-api

ruvnet/ruflo

Agent skill for docs-api-openapi - invoke with $agent-docs-api-openapi

ruvnet/ruflo

Implements authentication, authorization, encryption, secrets management, and security hardening patterns.

CloudAI-X/claude-workflow-v2

Download a released backend.ai-webui bundle from GitHub Releases and serve it locally via Portless so the URL carries the version name (e.g.

lablup/backend.ai-webui

A skill your agent uses when implementing, reviewing, or verifying normative FaasJS runtime behavior and compatibility for faas.yaml, staged config discovery and merge order, zero-mapping route…

faasjs/faasjs

Guides users through setting up an ElevenLabs API key for REST API and SDK workflows.

elevenlabs/skills

A skill your agent uses when designing new REST endpoints, reviewing an existing API contract, adding pagination or filtering, planning a versioning strategy, or building a public or partner-facing…

kid-sid/claude-spellbook

Report local Claude, Codex, Cursor, GitHub Copilot, Grok, Kimi, Z.AI, Alibaba, OpenCode Go, Antigravity, Command Code, MiniMax, MiMo, DeepSeek, OpenRouter, ElevenLabs, Devin, Muse, and Higgsfield…

kunchenguid/quota-axi

Write or update Baserow backend tests for core, premium, or enterprise code using pytest, Django, DRF APIClient, and the repo's shared fixture patterns.

baserow/baserow

A skill your agent uses when you need to add a PR to a GitHub merge queue, check what's currently queued, or find out why a PR was removed from the queue.

fullsend-ai/fullsend

PowerX Proto 生成规则（buf、gopackage、Make 目标）. An agent skill from ArtisanCloud/PowerX.

ArtisanCloud/PowerX

A skill your agent uses when you need a fast, structured scan for where the real magic is hiding in a repo, workflow, or system.

Hmbown/Wizards-of-the-Ghosts

Set up @data-client/endpoint for custom async operations. An agent skill from reactive/data-client.

reactive/data-client

Analyze EVM smart contracts for storage-safety vulnerabilities that can cause persistent state updates to be lost, overwritten, misdirected, or to collide across proxy or upgrade boundaries.

Gabson0x/bountyforge

Chrome Extension auth with @clerk/chrome-extension -- popup/sidepanel setup, syncHost for OAuth/SAML via web app, createClerkClient for service workers and headless extensions, stable CRX ID.

geekskai/blog

SiYuan Note API for searching, reading, creating, and managing blocks and documents in a self-hosted knowledge base via curl.

Tommy-yw/RunbookHermes

后端架构模式、API 设计、数据库优化以及 Node.js、Express 和 Next.js API 路由的服务端最佳实践。

xu-xiang/everything-claude-code-zh

Python development principles and decision-making. An agent skill from xenitV1/Antigravity-Workflows.

xenitV1/Antigravity-Workflows

Authors and modifies Azure TypeSpec (.tsp) API specifications.

Azure/azure-sdk-tools

Develops and administers SAP Build Work Zone, advanced edition digital workplace solutions.

secondsky/sap-skills

Multi-tenant authz, pre-auth disclosure hardening, and Kali disposition.

bbartling/open-fdd

File an interview question and answer into doc/faq/ in the shape the other 49 FAQs use — the sheet its Scope line owns, the numbered section it belongs under, tagged code fences — and write the…

yennanliu/CS_basics

Laravel security best practices — authentication, authorization, Eloquent safety, CSRF, XSS prevention, API security, and secure deployment configurations.

affaan-m/ECC

Quarkus 3.x LTS architecture patterns with Camel for messaging, RESTful API design, CDI services, data access with Panache, and async processing.

affaan-m/ECC

Decompose a Python web PRD into implementation tickets that preserve one FastAPI app.

pony-maggie/code_minions

Normalizes drug mentions extracted by OpenMed to RxNorm RxCUIs using the free public RxNav/RxNorm REST API.

maziyarpanahi/openmed

Stand up OpenMed's FastAPI REST service for clinical NER, PII extraction, and de-identification, with health checks, model keep-alive/unload, optional dynamic batching, and no-PHI logging.

maziyarpanahi/openmed

Expose an AG2 beta Agent over the AG-UI protocol so a frontend (CopilotKit, custom React/Next.js, or any AG-UI client) can stream responses, render tool calls, sync shared state, and surface…

ag2ai/build-with-ag2

Query Polymarket prediction market data — search markets, get prices, orderbooks, and price history.

RedWoodOG/Hermes-Desktop

Review Django and Python changes for clarity, consistency, maintainability, ORM or DRF anti-patterns, and project conventions while preserving behavior.

vintasoftware/django-ai-plugins

Convex is the backend agents get right on the first try: an all-TypeScript reactive platform where the database, server functions, scheduling, file storage, auth, and realtime sync are one type-safe…

openclaw/clawhub

Audit and harden a Convex app's authorization: identity-from-arg impersonation, missing per-document ownership checks, public queries leaking data by a client-supplied id, and writes into a…

openclaw/clawhub

Deprecated — use slack-subscribe. An agent skill from blockscout/frontend.

blockscout/frontend

CQRS - Command Query Responsibility Segregation. An agent skill from TheBeardedBearSAS/claude-craft.

TheBeardedBearSAS/claude-craft