Backend and APIs skills

13,079 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 61cursor 54cli 53cybersecurity 53javascript 52

mcp-server-dev

649

euxx/claude-skills-for-copilot

Skill Claude Code

Use when the user asks to build an MCP server, create an MCP integration, wrap an API for AI agents, or expose tools via the Model Context Protocol. Guides through deployment model selection (remote HTTP, MCPB, local stdio), tool-design patterns, and framework choice before scaffolding code.

not rated 4 4mo ago A 65 tokens original MIT

wordpress-development

651

gaupoit/wordpress-development-skill

Skill Claude Code

This skill provides comprehensive WordPress development expertise including self-hosted setup with Docker and Nginx, theme development (block and classic), plugin development with security best practices, performance optimization, and security hardening. Use this skill when setting up WordPress environments…

not rated 4 10mo ago A 101 tokens

fastapi-templates

652

EngineerWithAI/engineerwith-agents

Skill Claude CodeCodex

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.

not rated 4 9mo ago A 37 tokens copy · 100% MIT

vinzscam/backstage-skills

Skill Claude CodeCodex

Use when the user wants to create any new Backstage package — plugin, module, processor, provider, scaffolder action, or library. Drives yarn new to scaffold the right template and optionally pre-wires common patterns (catalog access, identity, etc.) based on user intent. Triggers on phrases like "create a new…

not rated 4 2mo ago A 134 tokens original Apache-2.0

odoo-dev

654

woodwosj/OdooDevMCP

Skill Claude CodeCodex

Triggered when users ask about Odoo development, debugging, deploying, or managing Odoo modules and instances. Handles tasks like writing Odoo models, views, controllers, security rules, ORM code, module installation, database inspection, server management, and troubleshooting Odoo errors. Also use this skill when you…

not rated 4 8mo ago B 106 tokens

api-builder

655

ajianaz/skills-collection

Skill Claude CodeCodex

Comprehensive API design and development workflow that orchestrates API architecture, endpoint design, documentation generation, and integration patterns. Handles everything from RESTful API creation and GraphQL schema design to API gateway setup and version management.

not rated 4 10mo ago A 46 tokens archived

news-api-currents

656

currentslab/news-api-skills

Skill Codex

Build a secure backend proxy for Currents News API without exposing the owner key. Use when adding Currents latest-news or search to an end-user product.

not rated 4 3mo ago A 37 tokens original MIT

ibm-apiconnect/apic-mcp-server

Skill Claude CodeCodex

Use this skill whenever you need to let the user choose which OpenAPI/Swagger operations to include before converting or processing a REST spec — for example as the pre-step for RestToMCPGenerator (REST-to-MCP conversion), or any other flow that requires a selectedOperations map (path → HTTP methods). Presents every…

not rated 4 23d ago A 107 tokens

overview

658

jkaninda/okapi-skills

Skill Claude CodeCodex

Skill "overview" from jkaninda/okapi-skills, covering okapi overview, project structure, core types, constructors and app configuration.

not rated 4 +1 2mo ago A 0 tokens original MIT

ddia-principles

659

satbirbhbc-ux/ai-coding-principles

Skill Claude CodeCodex

Designing Data-Intensive Applications (DDIA) distilled reference guide by Martin Kleppmann. MUST be loaded when: designing database schemas, choosing storage engines, implementing replication or partitioning, handling distributed transactions, building batch/stream processing pipelines, choosing consistency models…

not rated 4 16d ago A 185 tokens copy · 100% MIT

emlog-app-dev

660

emlog/emlog-app-dev-skill

Skill Claude CodeCodex

A development guide for Emlog, a PHP-based blogging and content-management system. It covers building and changing Emlog plugins, themes, templates, and related code.

not rated 4 4mo ago A 125 tokens

odoo-code-review

661

Immoderate-humulin783/odoo-skills

Skill Claude CodeCodex

Review Odoo addon code for correctness, security, performance, migrations, tests, and official Odoo coding guidelines. Use when reviewing Odoo modules, diffs, pull requests, or changed files involving models, fields, XML views, data, controllers, reports, OWL/assets, manifests, access rules, record rules, or OCA…

not rated 4 16d ago A 75 tokens

hydro-plugin-handler

662

gtn1024/hydro-dev-skills

Skill Claude CodeCodex

Comprehensive guide to HTTP request handling and WebSocket connections in Hydro plugins. Covers route registration, handler lifecycle, parameter decorators, response building, operations, the @requireSudo security decorator, WebSocket handlers, and inheritance patterns.

not rated 4 2mo ago A 51 tokens

anycross-creator

663

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 4 3mo ago A 243 tokens original MIT

bmob/agent-skills

Skill Claude CodeCodex

A JavaScript guide for using Bmob, a hosted NoSQL database service, from browsers, servers, and several cross-platform app environments. It uses Bmob's newer hydrogen-js-sdk and covers data, users, files, and related records.

not rated 4 9d ago A 296 tokens original MIT

easydns-mcp

665

easydns/easydns-mcp

Skill Claude CodeCodex

Manage DNS records, domains, mailmaps, and nameservers via the easyDNS REST API.

not rated 4 7mo ago A 0 tokens

anvil

666

1broseidon/skills

Skill Claude CodeCodex

Backend craft skill for language-agnostic CLIs, REST APIs, gRPC services, package APIs, and backend repo structure. Use when building, auditing, reshaping, or studying backend boundaries: command trees, HTTP/gRPC contracts, error envelopes, config precedence, operability hooks, package boundaries, dead code…

not rated 4 1mo ago A 99 tokens

vectoree

667

VectoreeAI/vectoree-skills

Skill Claude CodeCodex

Use when the app or coding agent needs model capabilities (chat, speech, image, video, embeddings), app-user auth, Postgres, object storage, or other agent capabilities that can be discovered and connected through Vectoree's Tool Hub - even if the user did not name Vectoree. Also use when pointing Codex at another…

not rated 4 +1 changed 21d ago B 160 tokens original Apache-2.0

nestjs-expert

668

ivanshtokov/copilot-kit

Skill Claude CodeCodex

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js authentication. Use PROACTIVELY for any Nest.js application issues including architecture decisions, testing strategies…

not rated 4 9mo ago A 85 tokens original MIT

monospace

669

directus/monospace-agent-skills

Skill Claude CodeCodex needs its repo

Use for Monospace REST or @monospace/sdk data access, @monospace/cli codegen, workspace and schema setup, authentication and permissions, or MCP configuration and troubleshooting. Not for legacy Directus or @directus/sdk.

not rated 4 changed 1mo ago A 54 tokens original MIT

roic-api-v2

670

roicai/agents-plugin

Skill Claude CodeCodex

Guides correct, budget-efficient use of the legacy roic.ai v2 REST API (https://api.roic.ai/v2) — query-string API-key auth, the symbol/CIK/CUSIP/ISIN identifier model, ticker and reference lookups, company profile/news/logo, earnings-call transcripts, the 11 fundamentals routes (statements, ratio groups, enterprise…

not rated 4 15d ago A 216 tokens original MIT

zitadel-api

672

Aidas-dev/k8s-agent-skills

Skill Claude CodeCodex

ZITADEL identity management platform (v4 GA, v2 API). Covers resource-based API for managing organizations, projects, applications (OIDC/SAML/API), roles, users, and OIDC settings via Connect RPC (HTTP/1.1 JSON) and REST endpoints. PAT or JWT assertion auth.

not rated 4 2mo ago A 66 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: