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.

kamae-ts

385

iwasa-kosui/kamae-ts

Plugin Claude Code

Bundles 2 skills · 229 tokens together

Kamae (構え) — an extensible harness of skill plugins for designing and implementing robust server-side TypeScript applications.

not rated 55 changed yesterday A tokens not measured original MIT

byok-relay

387

avikalpg/byok-relay

Skill Claude CodeCodex

OpenAI-compatible LLM gateway for any client-side application (browser, mobile, React Native, Flutter, VS Code extensions, browser extensions, Electron, smart TV, and more). Routes requests to OpenAI, Anthropic, Gemini, Groq, Mistral, and 200+ models, handling CORS, key encryption, and streaming without a dedicated…

not rated 54 yesterday A SkillSpector: warn 131 tokens original Apache-2.0

create-mcp-tool

388

nickytonline/mcp-typescript-template

Skill Claude CodeCodex

Add a new MCP tool to this server template. Use when asked to "add a tool", "add an MCP tool", "create a new tool", or "implement a new tool".

not rated 54 28d ago A SkillSpector: pass 43 tokens original MIT

rails-upgrade

389

robzolkos/skill-rails-upgrade

Skill Claude CodeCodex

Analyze Rails application upgrade path. Checks current version, finds latest release, fetches upgrade notes and diffs, then performs selective upgrade preserving local customizations.

not rated 54 7mo ago A 35 tokens

fastapi

390

youlaitech/youlai-skills

Skill Claude CodeCodex

Development guidance for FastAPI, a Python framework for building backend web APIs. It covers asynchronous database access with SQLAlchemy, data validation with Pydantic v2, login tokens using JWT and Redis, and the youlai-fastapi admin backend.

not rated 54 +5 16d ago A 49 tokens

dodopayments

392

dodopayments/dodopayments-typescript

MCP server Claude CodeCodexCursor +2

The official TypeScript library for the Dodo Payments API. Runs locally from the dodopayments npm package.

not rated 54 2d ago A tokens not measured original Apache-2.0

membridge

393

jiabaobei/memory-bridge

MCP server Claude CodeCodexCursor +2

Cross-platform, cross-process shared memory with rwlock and SPSC ring buffer for Python, powered by Rust. Runs locally from the membridge Python package.

not rated 54 +13 3d ago A tokens not measured original MIT

comfyui-gateway

394

hainamchung/agent-assistant

Skill Claude CodeCodex needs its repo

REST API gateway for ComfyUI servers. Workflow management, job queuing, webhooks, caching, auth, rate limiting, and image delivery (URL + base64).

not rated 54 3mo ago A 41 tokens original MIT

instructions

395

SkeneTechnologies/skene-cookbook

Cursor rule Cursor

Definitive guidelines for building high-performance, maintainable, and secure web applications with actix-web 4, focusing on modern Rust best practices.

not rated 53 6mo ago A 0 tokens copy · 100% MIT

code-mode

396

paiml/rust-mcp-sdk

Skill Claude CodeCodex

Generate validated GraphQL queries against this server's schema.

not rated 53 2d ago A SkillSpector: pass 13 tokens original MIT

auth

397

henrydiaosi/AI-framework

Skill Claude CodeCodex

A guide to the authentication module in the AI-framework project. Authentication is the process of checking who a user is before allowing access.

not rated 53 5mo ago A 1 tokens

use-miller

398

darraghoriordan/use-miller

Skill Codex

Build, configure, provision, diagnose, verify, deploy, or extend an application created from the Miller starter. Use for projects containing miller.config.json, especially when creating an app, setting up production, configuring self-hosted Better Auth or Stripe, integrating either Next.js or an independent browser…

not rated 53 changed 3d ago A 93 tokens

django-celery-expert

399

wilfredinni/django-starter-template

Skill Claude CodeCodex

Expert Django Celery guidance for asynchronous task processing. Use when designing background tasks, configuring Celery workers, handling task retries and errors, optimizing Celery performance, implementing periodic tasks with Celery Beat, or setting up production monitoring for Celery. Do not use for general Django…

not rated 53 12d ago A SkillSpector: warn 115 tokens original MIT

net-route-mapper

400

RuoJi6/net-audit-skills

Skill Claude CodeCodex

A tool that maps HTTP routes and their parameters in .NET applications. It can inspect source code or decompiled files and save the results as a Markdown document.

not rated 53 +1 3mo ago A 158 tokens

clerk-auth-master

401

JosiahSiegel/claude-plugin-marketplace

Plugin Claude Code

Bundles 4 skills, 1 agent · 871 tokens together

Comprehensive Clerk authentication expertise across Next.js, React, JavaScript, Node/Express/Fastify, Go, Ruby, Python, Java, .NET, PHP, sessions, JWT templates, organizations, middleware/proxy, API auth, webhooks, dev/prod environments, JWT clock skew and nbf/iat/exp failures, and production security. PROACTIVELY…

not rated 53 2mo ago A tokens not measured original MIT

convex-agent

402

get-convex/agent-skills

Skill Claude CodeCodex

Add an AI agent / RAG backend (@convex-dev/agent) to the Convex app.

not rated 53 +2 3d ago A Socket: passSnyk: passSkillSpector: pass 25 tokens original Apache-2.0

debug-wing

403

ehrlich-b/wingthing

Skill Claude Code

Diagnose wing connectivity issues. Checks auth, relay connection, daemon status, and identifies why a wing might not appear in the web UI.

not rated 53 +1 yesterday A SkillSpector: warn 31 tokens original MIT

EnterpriseMCP

404

microsoft/EnterpriseMCP

MCP server Claude CodeCodexCursor +2 ✓ vendor

Official Microsoft MCP Server to query Microsoft Entra data using natural language. Remote server at mcp.svc.cloud.microsoft.

not rated 53 +1 3mo ago A tokens not measured CC-BY-4.0

fubon-trade-api

405

Kelu0427/fubon-tradeapi-ai-skill

Skill Claude CodeCodex

A coding guide for Fubon Neo, also called Fubon Securities TradeAPI, a Taiwanese brokerage API for market data, trading, accounts, and related workflows.

not rated 52 3mo ago A 108 tokens original MIT

vovk

406

finom/vovk

Plugin Claude Code

Bundles 15 skills · 3,917 tokens together

Claude Code plugin for Vovk.ts — topic-based skills covering segments, procedures, validation, SSR, and project setup.

not rated 52 10d ago A tokens not measured original MIT

backend-dev

407

julianromli/droid-factory-template

Skill Claude CodeCodex

Comprehensive backend development workflow that orchestrates expert analysis, architecture design, implementation, and deployment using the integrated toolset. Handles everything from API design and database architecture to security implementation and DevOps automation.

not rated 52 9mo ago A 43 tokens original MIT

scout

408

tester-army/scout

Skill Claude CodeCodex

Safely explore and adversarially test an authorized HTTP API using the scout CLI, with or without an OpenAPI spec. Use when asked to test, probe, validate, or explore an API, whether or not an OpenAPI/Swagger spec is available. Scout is the harness; you are the operator.

not rated 52 +1 1mo ago A 65 tokens original MIT

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