Backend and APIs

18,646 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

qiskit-mcp-dev

457

Qiskit/mcp-servers

Skill Claude Code

Guide development of Qiskit MCP servers. Use when creating tools, resources, tests, or new servers. Helps with async patterns, pytest fixtures, GitHub CI/CD setup, and code quality. Trigger on "add tool", "add resource", "write test", "new server", "FastMCP", "MCP development", or "GitHub workflow".

not rated 39 1mo ago A 81 tokens original Apache-2.0

contentful

458

contentful/skills

Plugin Claude Code

Bundles 9 skills · 1,411 tokens together

Agent skills for Contentful apps, APIs, migrations, and personalization.

not rated 39 changed today A tokens not measured original MIT

backend-engineer

459

CodelyTV/agentic_programming-course

Agent Claude Code needs its repo

Use when creating or modifying backend code: API routes, use cases, domain models, repositories, infrastructure services, or dependency injection configuration. Follows Hexagonal Architecture, DDD, and DIOD conventions.

not rated 38 4mo ago A 45 tokens original MIT

nodejs-sdk

460

pontjs/pontx

Skill Claude CodeCodex

Type-safe Node.js API client SDK with validation, mocking, retry, and logging. Use when building API clients for Node.js applications.

not rated 38 12d ago A 31 tokens

TraftG/opencode-game-studio

Agent Claude CodeOpenCode

The GML Specialist is the hands-on GML coding authority. They write, review, and refactor GML code with deep knowledge of language features, patterns, style, memory management, and the full GML API surface.

not rated 38 4mo ago A 46 tokens original MIT

HAL

463

DeanWard/HAL

MCP server Claude CodeCodexCursor +2

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models. Runs locally from the hal-mcp npm package.

not rated 38 10mo ago A tokens not measured original MIT

zach22-1999/lingxing-mcp

Skill Claude Code needs its repo

A reusable client foundation for connecting to Lingxing ERP’s OpenAPI, including authentication, request signing, documentation caching, and basic connection checks.

not rated 39 +2 1mo ago A 94 tokens original MIT

compose-python-stack

465

leynier/python-template

Skill Codex

Design and generate a compatible project from the Python Template component layers or presets. Use when choosing a workload, framework, AI providers, data engines, interfaces, training and serving tools, deployment target, or IaC option; also use when a user wants a simple library, CLI, or API without AI.

not rated 37 4d ago A SkillSpector: pass 65 tokens original MIT

solidifier

466

FernandoJRR/solidifier

Plugin Claude Code

Bundles 1 skill · 149 tokens together

Apply SOLID principles and design patterns to backend code with judgment and restraint. Refactor, review, or structure backend code without over-engineering, scoped to chosen parts of the codebase and tuned by a configurable rigor level.

not rated 37 1mo ago A tokens not measured original MIT

engineering-patterns

467

wesselgrift/sveltekit-spa

Cursor rule Cursor

Classic engineering patterns applied to SvelteKit + TypeScript + Supabase projects. Use when structuring a SvelteKit app, organizing data access, abstracting third-party services, managing shared state, improving testability, or when the user describes a problem that a Factory, Repository, Service Layer, Singleton…

not rated 37 5mo ago A 72 tokens original MIT

hypervibe

469

flavien-ia/hypervibe-harness

Plugin Claude Code

Bundles 86 skills, 1 hook, 1 MCP server · 7,048 tokens together

Bootstrap a full-stack T3 project (Next.js + tRPC + Drizzle + Tailwind + shadcn/ui) with modular addons for database, auth, payments, email, storage, i18n, analytics, domain, and SEO. Deploys to Vercel with GitHub integration.

not rated 37 +1 changed today A tokens not measured original Apache-2.0

openwebninja

470

OpenWeb-Ninja/openwebninja-mcp

MCP server Claude CodeCodexCursor +2

Official Model Context Protocol server for OpenWeb Ninja APIs: real-time web, local business, jobs, e-commerce, real estate, finance and more. Runs locally from the @openwebninja/mcp-server npm package. Needs 1 environment variable to run.

not rated 36 2mo ago A tokens not measured original MIT

cursorrules

471

jhonsfran/unprice

Cursor rule Cursor

You are an expert in SQL and Tinybird. Follow these instructions when working with .datasource and .pipe files.

not rated 36 4d ago A 5,419 tokens AGPL-3.0

insforge

472

InsForge/insforge-skills

Plugin Claude Code

Bundles 4 skills · 444 tokens together

The backend platform for AI-native developers. A Postgres-based backend with auth, storage, compute, hosting, and AI gateway — built for coding agents. This plugin gives agents the full InsForge surface: database CRUD with RLS, authentication, storage, edge functions, AI, realtime, Stripe payments, and deployments.…

not rated 36 10d ago A tokens not measured original Apache-2.0

google-maps-platform

473

googlemaps/agent-skills

Skill Claude CodeCodex

A collection of skills for architecting and implementing production-ready code using Google Maps Platform APIs and SDKs for any map, place, address, geocoding, routing/ETA (including eco-friendly routing), nearby search, 3D / Street View / static map, marker clustering, custom styling, drawing, geofencing, heatmap, or…

not rated 37 +1 21d ago A Socket: passSnyk: failSkillSpector: warn 176 tokens original Apache-2.0

SalesforceDiariesBySanket/Copilot-Skills-Salesforce

Skill Claude CodeCodex

Designs and architects Salesforce solutions using the Well-Architected framework (Trusted, Easy, Adaptable), Architect Decision Guides, and integration patterns. Use when the user mentions Salesforce architecture, solution design, org strategy, data modeling, integration patterns, multi-cloud design, Agentforce…

not rated 35 6mo ago A 131 tokens

mcp-best-practices

475

tenequm/skills

Skill Claude CodeCodex

Build, harden, and debug production MCP servers with the TypeScript SDK. Use when writing or reviewing an MCP server or its tools - picking a transport, designing tool schemas and results, handling errors, adding OAuth, cutting token bloat, or migrating SDK versions. Also covers MCP Apps, extensions, and the Registry.…

not rated 35 today A SkillSpector: pass 87 tokens original MIT

mcp-netmiko-server

476

upa/mcp-netmiko-server

MCP server Claude CodeCodexCursor +2

MCP server "mcp-netmiko-server" as configured in upa/mcp-netmiko-server. Runs locally from the mcp-netmiko-server Python package.

not rated 35 1y ago A tokens not measured

web3-dev

477

blockscout/agent-skills

Skill Claude CodeCodex

Build web3 applications, scripts, CLIs, bots, mobile apps, and desktop apps that need blockchain data via the Blockscout PRO API — a single HTTP API spanning 100+ EVM chains. Invoke this skill whenever the user wants to read blockchain data over HTTP (transactions, blocks, addresses, tokens, NFTs, logs, contract…

not rated 35 +5 2mo ago A 212 tokens original MIT

insforge-mcp

478

InsForge/insforge-mcp

MCP server Claude CodeCodexCursor +2

MCP server for InsForge BaaS — database, storage, edge functions, and deployments. Runs locally from the @insforge/mcp npm package. Needs 2 environment variables to run.

not rated 35 yesterday A tokens not measured original Apache-2.0

quarkus-appdev

480

quarkusio/skills

Plugin Claude Code

Bundles 2 skills · 184 tokens together

Skills for developing and maintaining Quarkus applications.

not rated 35 +1 today A tokens not measured original Apache-2.0

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