Backend and APIs skills

13,053 tagged Backend and APIs, measured the same way as everything else here.

Browse within: LLM 148agents 117skills 114agent 88agentic-ai 85api 80azure 68antigravity 66ai-coding 63claude-code-plugin 61cli 54cursor 54cybersecurity 53javascript 52

shlink-server

673

magnus919/mcp-shlink

Skill Claude CodeCodex

Build, test, and run the mcp-shlink MCP server (Python, FastMCP, strict mypy, coverage-gated tests).

not rated 4 1mo ago A 33 tokens archived

Cratis/AI

Skill Claude CodeCodex

Use when writing Screenplay command, event, constraint, authorization or strongly-typed value syntax. Not for deciding stream boundaries or declaring queries, screens, projections and reactive edges.

not rated 4 changed 4d ago A 43 tokens original MIT

dw-demo-fo

675

dynamicweb/skills

Skill Claude CodeCodex

Give a DW10 demo its own legal entity in a shared live D365 F&O sandbox, seeded from a golden company. Triggers: per-demo F&O company, New-DemoCompany, copy into legal entity, demo reads the wrong dataAreaId. No live tenant -> dw-demo-erp. Use AFTER dw-demo-base.

not rated 4 today A 72 tokens

salesforce-crm

676

ozgurkarahan/salesforce-meta-tool-identity-propagation

Skill Claude CodeCodex

How to read and write Salesforce data with the salesforcemcp tools (whoami, listobjects, describeobject, soqlquery, searchrecords, writerecord, processapproval). Use for any question about Salesforce accounts, contacts, opportunities, cases, approvals or custom objects, and before any Salesforce write.

not rated 4 13d ago A 68 tokens original MIT

realtime-register

677

realtimeregister/skills

Skill Claude CodeCodex

Realtime Register REST API v2 reference. Use when operating on domains, DNS zones, contacts, SSL certificates, hosts, brands, notifications, billing, or processes against api.yoursrs.com. Includes machine-readable specifications and per-operation reference documentation for every non-SiteLock endpoint.

not rated 3 changed 1mo ago A 60 tokens original MIT

Onlyicing1/Telegram-self-bot

Skill Claude CodeCodex

Stability engineering rules for the Telegram Self Bot. Use when investigating freezes, stuck asyncio operations, AI/Save stability, watchdogs, task cancellation, diagnostics, or runtime recovery.

not rated 3 yesterday A 43 tokens

agent-sh/glidemq

Skill Claude CodeCodex

Use when moving a Node.js project from BullMQ (or BullMQ Pro groups) to glide-mq, or comparing the two APIs: connection format, changed signatures, removed options, and what replaces them.

not rated 3 +1 changed 8d ago A 52 tokens original Apache-2.0

dsh-weixin-clawbot

680

zp-home/dsh-weixin-clawbot

Skill Claude CodeCodex

Install, configure, validate, or troubleshoot the community DSH Weixin ClawBot bridge that connects Tencent's official iLink channel to DeepSeek Harness. Use for phone-to-computer DSH setup, pairing, profile installation, session commands, updates, or compatibility checks; not for OpenClaw's own Weixin plugin or…

not rated 3 2mo ago A 79 tokens original MIT

stitchkit

681

max-listov/stitchkit

Skill Claude CodeCodex

Build or change a backend with stitchkit — the contract-first framework where one defineContract() becomes an HTTP API, MCP tools, AI-agent tools, a CLI and a typed client. Use this whenever working in a project that depends on stitchkit: defining or editing a contract, implementing handlers, exposing endpoints as MCP…

not rated 3 changed 13d ago A 0 tokens original MIT

callspec

682

logfoxai/callspec

Skill Claude Code

Use when defining callspec routes, mountSpec, SDK codegen, Result-typed errors, MCP, or generated ApiClient code. Read before changing RPC APIs or error contracts.

not rated 3 8d ago A 39 tokens original MIT

Lehsqa/robyn-config-skills

Skill Codex

Robyn backend scaffolding and architecture guidance for projects using robyn-config. Use when creating or evolving Robyn services, choosing DDD vs MVC, choosing SQLAlchemy vs Tortoise, adding entities with robyn-config add, scaffolding admin panel with robyn-config adminpanel, adding observability stack with…

not rated 3 5mo ago A 96 tokens

api-security

684

LeahyCC/claude-skills

Skill Claude CodeCodex

OWASP API Security Top 10 (2023) with production Next.js App Router code — access control, authentication, input validation, rate limiting, security headers, data exposure, supply chain, SSRF, and AI tools on those APIs.

not rated 3 changed 5d ago A 51 tokens original MIT

swagger-to-mcp

685

mcp-com-ai/api-to-mcp-skills

Skill Claude Code

Convert OpenAPI v3 specifications into MCP servers using HAPI CLI. Supports local, Docker, and Cloudflare Workers deployment. Zero code required. Use when you need to expose API functionality as MCP tools or deploy API-based services to multiple hosting platforms.

not rated 3 8mo ago C 55 tokens original MIT

backend

686

wewpellex21/code-sensei

Skill Claude CodeCodex

Servers, routes, APIs, and backend architecture. Activated when Claude creates server-side code, API routes, or Express/Fastify/Next.js API handlers.

not rated 3 17d ago A 34 tokens copy · 100% MIT

okyline

687

Okyline/Okyline-skill

Skill Claude CodeCodex

Expert assistant for the Okyline schema language - create, edit, and convert JSON validation schemas using declarative, example-driven syntax with inline constraints.

not rated 3 changed 1mo ago A 34 tokens original Apache-2.0

php-form-mailer

688

jqaisystems/jqai-ai-skills

Skill Codex

Wire any HTML form to a two-email PHP system. Generates a complete PHP handler that sends a structured notification email to the site owner and a branded HTML confirmation to the person who submitted, updates the form action and JS handler with a mailto fallback, then tests the live endpoint with curl. Works on any…

not rated 3 2d ago A 86 tokens original MIT

n8n-syntax-node-types

689

Impertio-Studio/n8n-Claude-Skill-Package

Skill Claude CodeCodex

Use when creating custom n8n nodes, defining node properties, implementing execute methods, or building declarative nodes. Prevents incorrect INodeProperties types and malformed displayOptions conditions. Covers INodeType interface, INodeTypeDescription, INodeProperties (22 types), displayOptions with rich conditions…

not rated 3 3mo ago A 154 tokens original MIT

gusbavia/fabric-apps-skills

Skill Claude CodeCodex

Use when a Fabric App needs transactional WRITE-BACK (comments, edits, requests, approvals) on top of Lakehouse data — 'users edit data in my Fabric app', 'write back to the source', 'my saved comment takes forever to appear', 'read-your-own-writes', 'mirror Gold into the app database', 'seed the Rayfin SQL DB…

not rated 3 4mo ago A 150 tokens original MIT

mockapi

691

devctllabs/mockapi

Skill Codex

Create stateful TypeScript/Hono mock API servers from OpenAPI 3.0/3.1 contracts. Use for building OpenAPI-based mock APIs, creating or repairing .mockapi sidecars, validating mock profiles, generating admin state endpoints, or freeform requests such as "mockapi build a mock server for api/openapi.yaml".

not rated 3 27d ago A 72 tokens original Apache-2.0

greybeard

692

ManojLingala/greybeard

Skill Claude CodeCodex

Makes your AI agent defensive about the backend failure modes that page you at 3am. Before writing server-side code, the agent stops at a ladder of hard-won rules — money as integer minor-units, idempotent mutations, timeouts and backoff on every external call, explicit transaction boundaries, no N+1 queries…

not rated 3 23d ago A 109 tokens original MIT

rules-quarkus

693

kinhluan/rules-quarkus-skills

Skill Claude CodeCodex needs its repo

Expert knowledge for building Quarkus applications with Bazel using the rulesquarkus build system. Use when user asks about Quarkus+Bazel builds, augmentation, or troubleshooting.

not rated 3 4mo ago A 42 tokens original MIT

qapla-api

694

Qapla/qapla-api-skill

Skill Claude CodeCodex

Integrate with or answer questions about the Qapla' shipping & tracking REST API (public v1.3). Use this when working with Qapla' to push shipments or raw orders, generate and confirm carrier labels, track parcels, get real-time multi-carrier quotes, look up pickup points (PUDO), verify addresses, list couriers and…

not rated 3 changed 7d ago A 152 tokens original MIT

fellyph/ai-instructions

Skill Claude CodeCodex

Guide for creating WordPress Playground Blueprint JSON files and executing WP-CLI commands. Use when building Blueprint files, automating WordPress/WooCommerce management via CLI, configuring WordPress Playground environments, or troubleshooting. Covers blueprint creation, WP-CLI commands, and WooCommerce CLI…

not rated 3 9mo ago A 80 tokens

go-gin-generator

696

kuku0922/awesome-ai-coding-enhance

Skill Claude CodeCodex

Generate production-ready Go projects using the Gin framework with modern best practices, multiple templates, database integration, authentication, and comprehensive features for building scalable web applications and microservices.

not rated 3 11mo ago A 39 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: