Backend & APIs · For developers

Create and manage isolated application sandboxes (Next.js, Python, PHP, etc.) with public URLs via Cloudflare.

essamamdani/openclaw-coolify

Scans a codebase for raw API/CLI calls (curl, gh, stripe-cli, psql, grpcurl, etc.) and replaces them with Earl templates — one provider at a time.

mathematic-inc/earl

Review, maintain, or set up NuGet trusted publishing (OIDC) for GitHub Actions.

rodri-oliveira-dev/Dapper-FluentMap

Conversationally configure and operate a policy-first, always-on local e2a email agent.

tokencanopy/e2a

Scaffold a new microservice that follows the project's server/handlers/adapters architecture.

TheDecipherist/claude-code-mastery-project-starter-kit

Prepare and verify a new release for the Nextcloud OIDC Identity Provider app.

H2CK/oidc

Call Anytype's local HTTP API v2 directly — search, read, create and edit objects, queries, collections and chats over REST.

anyproto/anytype-heart

A skill your agent uses when the user asks "why was this cop added/removed", "find upstream PR for a cop", "trace cop change in Rails", "what's the reason for this cop", or wants to find the…

toshimaru/rubocop-rails_config

Reference for Nitro v3, the server toolkit behind Nuxt: file routing, route rules, caching, storage, tasks, websockets and deployment presets.

antfu/skills

Write code that charges for an HTTP route with the x402 protocol and receives USDC in a CDP-managed wallet.

coinbase/cdp-sdk

Mount authenticate and authorize handlers, separate portal and protected routes, align auth URLs, and preserve trusted proxy metadata.

greenpau/caddy-security

Developer guide for the LexGuard Korean law MCP server: layer rules, adding tools and repositories, JSON-RPC responses, law API handling, answer rules and tests.

SeoNaRu/lexguard-mcp

Steps for initiating the Django development server without Docker

fossasia/eventyay

Implements KryptoGO Payment token transfer/withdrawal functionality using the Asset Pro Transfer API.

paid-tw/skills

End-to-end Stellar development playbook. An agent skill from VelaPayments/vela-payments.

VelaPayments/vela-payments

Query, aggregate, patch, or paginate Exceptionless data through its Elasticsearch repository abstractions.

exceptionless/Exceptionless

Conventions for writing and maintaining tako documentation pages under website/content/docs/.

rust-dd/tako

Guide for configuring, deploying, and operating the MonsterMQ broker.

vogler75/monster-mq

Solon Java framework expert (NOT Spring). An agent skill from opensolon/soloncode.

opensolon/soloncode

Optimize Scalus/Cardano smart contracts for execution budget (CPU steps and memory).

scalus3/scalus

Build and iterate on an Apollo Connectors subgraph for a GraphOS supergraph from a REST API, with or without an OpenAPI or Swagger spec, in a dedicated git workspace that records what the API…

apollographql/skills

Registers lifecycle hooks on an agent run to observe, mock or intervene at each step, dispatching them in the order they were registered.

lobehub/lobehub

Guidelines for reviewing API design in the Hex1b codebase. An agent skill from mitchdenny/hex1b.

mitchdenny/hex1b

Meilisearch open-source search engine with full-text, semantic, and hybrid search, filtering, faceting, and typo tolerance.

xlanex6/nuxt-meilisearch

Verify OAuth protocol implementations stay aligned with relevant RFCs.

doorkeeper-gem/doorkeeper

A skill your agent uses when customizing, branding, or replacing the built-in FrontMCP OAuth pages (the login, consent, federated-select, incremental-authorization, and error pages) with your own…

agentfront/frontmcp

Add a group of Admin REST endpoints in the management backend (TR-F012).

talkincode/toughradius

Work on Supercheck authentication, RBAC, tenant isolation, sessions, API and trigger keys, invitations, project membership, project variables, OAuth, super-admin behavior, SSRF, or…

supercheck-io/supercheck

A skill your agent uses when changing service structure, Subscribers, ServiceProviders, Container wiring, bootstrapping, Context classes, or any code that may affect the core caching engine in WP…

wp-media/wp-rocket

Review a GitHub pull request for a Rust codebase. An agent skill from apollographql/apollo-mcp-server.

apollographql/apollo-mcp-server

Add, fix, or debug a Django standings parser in src/ranking/management/modules/, including Statistic.getstandings, leaderboard scraping, and offline regression fixtures.

aropan/clist

Diagnose and fix a slow endpoint or request in a Python web app (FastAPI, Flask, Django, Tornado, any ASGI/WSGI framework) using real Profyle/VizTracer traces, then prove the fix by replaying the…

vpcarlos/profyle

A skill your agent uses when building .NET 10 or C 14 applications; when using minimal APIs, modular monolith patterns, or feature folders; when implementing HTTP resilience, Options pattern…

sketch7/FluentlyHttpClient

Authenticate to Elasticsearch using native, file-based, LDAP/AD, SAML, OIDC, Kerberos, JWT, or certificate realms.

aspectrr/deer

Memoria codebase structure, workspace layout, key traits, database tables, config patterns, and testing conventions.

matrixorigin/memoria

Enhance user prompts by analyzing project context (code structure, dependencies, conventions, existing patterns).

bear2u/my-skills

Read this to install djhtmx in a Django project, to change a DJHTMX setting, or when a component renders but nothing responds.

edelvalle/djhtmx

FlyCms 前端（frontend/，vue-vben-admin v5）与后端（backend/，Spring Boot Session 认证）对接的领域知识与开发规范。凡在本仓库开发管理端登录、动态菜单、角色/权限/按钮控制、新增给前端调用的后端接口、或新建任何 /system 管理页面时都要使用——即使用户只说"加个页面""接一下登录""加个权限"，也应主动加载本 skill。

sunkaifei/FlyCms

Update the current-branch GitHub PR title, description, and labels with gh CLI using this repository's PR template.

lidofinance/staking-modules

A skill your agent uses when starting a fresh CompileIQ project, hitting a socket timeout, or before running any other compileiq- skill.

NVIDIA/CompileIQ

为 mfish-nocode-pro 项目集成 Flowable 工作流审批能力，包括注册 FlowKey、实体审批状态字段、Service 启动/撤回流程、Controller 审批回调接口、Feign 回调接口注册五个步骤的完整代码模板。当用户说"带工作流审批"、"发布审核流程"、"集成工作流"、"审批回调"时使用此 skill。

mfish-qf/mfish-nocode

Guides REST and GraphQL API design, endpoint patterns, request/response schemas, versioning, and API best practices.

CloudAI-X/opencode-workflow

A skill your agent uses when designing a test plan for a distributed or stateful system — anything with persistence, replication, consensus, retries, idempotency, async messaging, multi-tenancy, or…

shenli/distributed-system-testing

Create a new Whirl environment in the envs/ directory. An agent skill from godatadriven/whirl.

godatadriven/whirl

当需要为 funboost 框架添加新的消息中间件时使用。触发场景：实现自定义 Publisher/Consumer 类、使用 registercustombroker 注册新 broker、使用 overridecls 定制现有 broker 行为。关键词：new broker, AbstractPublisher, AbstractConsumer…

ydf0509/funboost

Analyze a saved .owl memory capture (find leaks, growth, top allocators) using the owlquery serve-mode HTTP API.

OwlcatGames/OwlcatMonoProfiler

Build Spring Boot 4.x applications following the best practices.

piomin/sample-spring-modulith

Adds, reviews or tightens Diffyscan alloweddiffs rules for explained source or bytecode differences, including replacing any wildcards with granular rules.

lidofinance/diffyscan