Backend & APIs

Design notification workflows the Novu way — choose channels, set severity, decide when a workflow is critical, configure digests, and route based on subscriber state.

novuhq/novu

Adds persistent memory to Vercel AI SDK apps with the Mem0 provider, using a wrapped model or standalone retrieve and store utilities.

mem0ai/mem0

Summarize recent GitHub activity — discussions, PRs, issues, events, traffic — into an actionable report so you can stay on top of the project without reading everything.

alpinejs/alpine

Covers the RuView `wifi-densepose` command line binary, its Axum REST API and the WebAssembly builds for browsers and ESP32, for embedding or scripting RuView.

ruvnet/RuView

Patterns for building LLM agents on Trigger.dev tasks: prompt chaining, routing, parallel workers, orchestrator-workers, evaluator loops and human approval gates.

papermark/papermark

Operate/develop GEOFlow CLI/Laravel/admin/API, topics/专题 and topic tasks, theme libraries/replication, sites/leads/Agent, channel sync and legacy yao-geoflow-cli/design/template migration.

yaojingang/GEOFlow

Google API integration for blog performance: PageSpeed Insights, CrUX Core Web Vitals with 25-week history, Search Console performance, URL Inspection, Indexing API, GA4 organic traffic, NLP entity…

AgriciDaniel/claude-blog

Inspect, analyze, troubleshoot, or review Codacy findings and local analyzer/API helpers.

netdata/netdata

Search Zhihu for content using the searchv3 API. An agent skill from itwanger/toBeBetterJavaer.

itwanger/toBeBetterJavaer

Contributor guide for step three of adding a syncable entity to the Twenty server: write the validator, the migration action builder and the orchestrator wiring.

twentyhq/twenty

Reference help for the CCXT library covering crypto exchange APIs, market data, trading and order management across 150+ exchanges in JavaScript, Python and PHP.

2025Emma/vibe-coding-cn

Write, edit, and maintain documentation. An agent skill from InsForge/InsForge.

InsForge/InsForge

Use whenever asked to add, create, or scaffold a CRUD endpoint, router, or entity in this repo's server (create/list/get/update/delete handlers, new…

fosrl/pangolin

Publish static HTML pages and asset folders to the Paperclip S3/CloudFront page host.

paperclipai/paperclip

A skill your agent uses when the user asks how code works, wants to understand architecture, trace execution flows, or explore unfamiliar parts of the codebase.

aws-samples/sample-kolya-br-proxy

Operates the `mqttx` command line client to connect, publish, subscribe, benchmark and simulate data against an MQTT broker, with TLS and MQTT 5 support.

emqx/MQTTX

Covers building subscription billing: billing cycles, subscription states, invoice generation, proration, tax handling and dunning for failed payments.

wshobson/agents

Migrate a whole ArcGIS Hub site into a PortalJS Arc portal end-to-end.

datopian/portaljs

Sets the rules for writing GraphQL queries and mutations in .gql files, running codegen, and using generated Apollo hooks with proper error and loading handling.

ChrisWiles/claude-code-showcase

A skill your agent uses when doing ANY task involving Supabase.

curvenote/curvenote

Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.

hellangleZ/burn-in-cceverywhere-ralph

Draw an animated figure (boxes, arrows, moving data) as one self-contained SVG for a GitHub README, PR, issue or blog post.

vectorize-io/hindsight

Builds, modifies, debugs, migrates and verifies TypeScript MCP servers and MCP Apps with the mcp-use framework, treating the installed package's types as the source of truth.

mcp-use/mcp-use

Configures Trigger.dev projects through trigger.config.ts, with build extensions for Prisma, Playwright, Puppeteer, FFmpeg, Python and system packages.

papermark/papermark

AWS serverless and event-driven architecture expert based on Well-Architected Framework.

zxkane/aws-skills

Build end-to-end type-safe tRPC APIs inside NestJS using the nestjs-trpc adapter — @Router/@Query/@Mutation/@Subscription decorators, TRPCModule.forRoot, injectable middlewares and context, Zod…

trycompai/crm

Connects an agent to the AI-Trader platform's API to publish trading signals and follow traders, routing to child skills for copy trading, trade sync and market data.

HKUDS/AI-Trader

Answers questions about website traffic, monitors, surveys, events and billing from a Tianji instance using read-only GET calls checked against its live OpenAPI document.

msgbyte/tianji

Guides writing and reviewing pREST Docker-based integration tests so every HTTP request is explained by step comments or table-driven descriptions.

prest/prest

Guides design of modular-monolith platforms with DDD, flat-by-aggregate modules, anti-corruption layers, outbox events and resilience, plus an architecture document with SVG diagrams.

tech-leads-club/agent-skills

Generates vector embeddings through the 9Router /v1/embeddings endpoint, using models from providers such as OpenAI, Gemini, Mistral and Voyage for RAG and semantic search.

decolua/9router

REST 및 GraphQL API 설계 원칙 가이드. An agent skill from jh941213/my-cc-harness.

jh941213/my-cc-harness

Build or review Langfuse backend code. An agent skill from langfuse/langfuse.

langfuse/langfuse

Walks through step 2 of adding a syncable entity to the Twenty server: a cache service for flat entity maps and utilities that transform entities and DTOs into universal flat entities.

twentyhq/twenty

Guides stable API and interface design. An agent skill from dzhalaevd/Donatello.

dzhalaevd/Donatello

A skill your agent uses for any task or question involving Livewire.

coollabsio/coolify

CoinGecko API documentation - cryptocurrency market data API, price feeds, market cap, volume, historical data. Use when integrating CoinGecko API…

2025Emma/vibe-coding-cn

Generates and splits Django schema migrations for Saleor with manage.py makemigrations, enforcing one new model or one field change per migration file.

saleor/saleor

Manages AI provider connections, API keys, OAuth flows and connection tests through OmniRoute's REST API across its 327-provider catalog.

diegosouzapw/OmniRoute

A skill your agent uses when building or modifying CRUD endpoints with FastCRUD (the fastcrud PyPI package) in a FastAPI project — covers FastCRUD, crudrouter, EndpointCreator, FilterConfig…

benavlabs/fastcrud

Implements concurrent Go patterns using goroutines and channels, designs and builds microservices with gRPC or REST, optimizes Go application performance with pprof, and enforces idiomatic Go with…

antoniopaya22/go-rest-template

Take an agent-written app from repo to live production on the user's OWN accounts, with providers they choose (hosting, database, auth, payments, email, domain/DNS).

mikehasa/golive-skill

Zod schema validation best practices for type safety, parsing, and error handling.

jasonjgardner/blockbench-mcp-plugin

Review AnimeGarden animation resource-to-Bangumi Subject bindings for a specified time range, identify missing or incorrect bindings, and report evidence-backed Subject search improvements.

yjl9903/AnimeGarden

Defines the typia product contract, workspace layout, package boundaries, and canonical commands.

samchon/typia

Sets up Convex auth, identity mapping, and access control. An agent skill from spokvulcan/poker-planning.

spokvulcan/poker-planning

Guia de contribuição ao DeskcommCRM para quem vai mexer no código e abrir um pull request, sobretudo de um fork.

melgarafael/DeskcommCRM

Checklist of every backend, frontend, CLI and capture change needed to add a new TriggerCrud-based trigger type, such as Azure, GCP or Kafka, to Windmill.

windmill-labs/windmill