Backend and APIs

18,757 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.

scale-to-millions

1441

Rudra-narayan-muduli-001/Scale-to-Millions

Skill Claude CodeCodex

Use this skill whenever the user is designing, reviewing, debugging, or answering interview questions about system/software architecture and scalability — e.g. "scale my app", "how do I handle more traffic", "design a URL shortener / news feed / chat system", "my API is slow under load", "should I shard my database"…

not rated 2 1mo ago A 130 tokens original MIT

laravel-13-expert

1442

Deixtra-Private-Limited/claude-laravel-13-skill

Skill Claude CodeCodex

Comprehensive Laravel 13.x expert skill covering the entire framework — installation, configuration, routing, controllers, middleware, Blade views, Eloquent ORM, migrations, queues, jobs, events, mail, notifications, caching, Redis, scheduling, service container, service providers, authentication, authorization, AI…

not rated 2 5mo ago A 105 tokens original MIT

vobiz

1443

vobiz-ai/Agent-Skills

Cursor rule Cursor

Build and review Vobiz voice, SIP, messaging, and AI-agent integrations.

not rated 2 24d ago A 251 tokens original MIT

holdfast

1444

IamK77/Skill

Skill Claude Code

The distributed-correctness lens: design or audit anything that spans machines. Use when the user designs or reviews RPC, queues, replication, consensus, sharding, fault tolerance, or distributed transactions — or asks whether a design is correct. Triggers on "is this retry safe / exactly-once / idempotency"…

not rated 2 2mo ago A 230 tokens original Apache-2.0

scaffold

1445

Benja-Pauls/SerpentStack

Skill Claude CodeCodex needs its repo

Generate boilerplate for new API endpoints and frontend pages following this project's conventions (flush/commit transaction pattern, ownership enforcement, domain returns). Use when: adding a new resource, creating CRUD endpoints, wiring up a new frontend page, or asking 'how do I add a new feature end-to-end.'.

not rated 2 5mo ago A 63 tokens original MIT

tinymcp

1447

grab/tinymcp

MCP server Claude CodeCodexCursor +2

A lightweight MCP router for FastAPI. Runs locally from the tinymcp Python package.

not rated 2 1y ago A tokens not measured original MIT

scalekit-inc/skills

Skill Claude CodeCodex

Implements SaaSKit login in the Next.js App Router so an agent can add login, callback, session cookies, and logout. Use when the user wants SaaSKit Next.js or App Router auth. It does not write generic Node login (that's implement-saaskit) or write Django, FastAPI, or Flask auth (that's implement-saaskit-python).

not rated 2 4d ago A 84 tokens

nestjs-best-practices

1450

xirothedev/skills

Skill Codex

Highest-priority for all NestJS-related tasks involving API engineering. Use this skill whenever writing, reviewing, refactoring, debugging, or planning NestJS backend/API code using @nestjs/, modules, providers, controllers, DTOs, pipes, guards, interceptors, exception filters, Prisma or TypeORM services, GraphQL…

not rated 2 3mo ago A 106 tokens

oficina

1451

JoaoEquer/Oficina

Plugin Claude Code

Bundles 17 skills, 6 commands · 1,287 tokens together

A lean agent harness for AI-assisted development — NestJS + TypeScript + Prisma + PostgreSQL. Skills for CRUD, Prisma modeling, RBAC, task breakdown and client-facing docs.

not rated 2 11d ago A tokens not measured original MIT

Hebbian-Robotics/nbx

Skill Claude CodeCodex

Shared CRUD pattern for NetBox resources whose entire CLI surface is generated from the OpenAPI schema.

not rated 2 4mo ago A 23 tokens

anycross-creator

1453

helleOPP/anycross-skill-creator

Skill Claude CodeCodex

Build, validate, and package AnyCross workflow files (the Lark/Feishu automation platform) — produces an importable .zip via a Python generator script. Covers the real flow.json schema (structure/steps, operation objects, the four spel types), connector/operation IDs harvested from verified exports, LarkBase field…

not rated 2 1mo ago A 243 tokens original MIT

ada-diamonds-api

1454

adadiamonds/agent-tools

Skill Claude CodeCodex

Reference for the Ada Diamonds public REST API (https://www.adadiamonds.com/api/v1) covering every endpoint, self-serve API keys and OAuth 2.1 scopes, the public sandbox key, rate limits, error shapes, versioning, and working curl examples. Use when integrating with Ada Diamonds over HTTP, generating client code…

not rated 2 15d ago A 101 tokens original MIT

uselink-api-docs

1455

compilet-dev/agent-skill-uselink

Skill Claude Code

Scan backend controllers/routes, generate API documentation as HTML, and publish to uselink. Use when the user wants to share API docs with frontend devs, partners, or stakeholders who need to understand the API contract.

not rated 2 3mo ago A 50 tokens original MIT

nextapi

1456

nextpay-ai/skills

Skill Codex

Use when the task involves general NextPay Partners API v2 integration work, especially setting up Basic Auth, choosing between merchant, account, funding-method, payment-intent, payout, webhook, or sandbox simulation endpoints, generating request or response examples, or explaining integration behavior from the…

not rated 2 5mo ago A 62 tokens

secure-coding

1457

joaovicdev/claude-owasp-10

Plugin Claude Code

Bundles 2 skills, 1 agent · 215 tokens together

OWASP Top 10:2025 rules for writing and reviewing backend/API code in any language, plus /api-secure-report — a full security inventory of every HTTP route in a project.

not rated 2 18d ago A tokens not measured original MIT

integrations

1458

thomascasali/claude-kb-workflow

Agent Claude Code

Integrazioni esterne - Stripe, SumUp, email SMTP, push FCM, Telegram, API AI. Usalo per collegare servizi terzi seguendo i pattern KB.

not rated 2 17d ago A 41 tokens original MIT

gerard-labs/superpowers-api-platform

Plugin Claude Code

Lists 1 plugin

Claude Code plugin targeting API Platform 4.3+ on Symfony 7.4+ : resources, DTOs, state providers/processors, modern filters (parameters + QueryParameter), security (JWT/OIDC/CORS), MCP, Object Mapper, Resource/Operation Mutators, Scalar UI, ErrorResource, identifiers (UUID v7/ULID), resilience, performance, and tests.

not rated 2 4mo ago A tokens not measured original MIT

claudehut

1461

taipt1504/claudehut

Plugin Claude Code

Bundles 10 skills, 1 command, 16 agents, 11 hooks · 1,399 tokens together

7-phase agentic workflow for Java/Spring Boot backends (over a pre-indexed codebase): discover → brainstorm → spec → plan → implement → review → learn, with complexity-tier fast lanes.

not rated 2 20d ago A tokens not measured

gemini-api

1462

stephen94125/peon-lib

Skill Codex

Provides the official Protobuf specifications and gRPC/REST service definitions for the Gemini API (Google Generative Language API v1beta). Use this skill when you need precise schema definitions for requests/responses (e.g., GenerateContent, Tools, FunctionCalling), multimodal content structures (Content, Part)…

not rated 2 4mo ago A 78 tokens original Apache-2.0

pikud-haoref-alerts

1463

yaniv-golan/pikud-haoref-alerts

Plugin Claude Code

Bundles 1 skill · 224 tokens together

Comprehensive guide for building integrations with Israel's Pikud HaOref (Home Front Command) alert system — rocket alerts, earthquake warnings, and civil defense notifications.

not rated 2 6mo ago A tokens not measured original MIT

api-analyzer

1464

rubenCodeforges/codeforges-claude-plugin

Agent Claude Code

MUST BE USED for API analysis. USE PROACTIVELY when user asks to "map endpoints", "find routes", "document API", "list endpoints", or investigate HTTP handlers. Works across frameworks (Express, FastAPI, Django, Spring, Go).

not rated 2 9mo ago A 57 tokens original MIT

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