13,187 tagged Backend and APIs, measured the same way as everything else here.
Browse within: LLM 148agents 118skills 114agent 86agentic-ai 86api 82azure 68antigravity 66ai-coding 64claude-code-plugin 62cursor 54cli 53cybersecurity 53javascript 52
Skill Codex
Configure authorization policies, ACLs, static claims enrichment, required external decisions, bypasses, identity headers, JWT verification, remote Basic/API-key auth, SQLite/Consul API keys, and direct OAuth without a portal.
Skill Claude CodeCodex
Integrate Neuron AI agents into a Laravel 13 app the framework-native way — setup checklist (App\Neuron layout, config/services.php keys, one migration, NeuronServiceProvider, bootstrap/app.php exception mapping, neuron:evaluate), container-built agents bound per thread with for(), thread authorization, JSON and…
Skill Claude CodeCodex
Hook an app, game or script up to the local mlx-serve server for LLM chat, embeddings, image, speech, music, sound effect, video and 3D generation, and Laya/Kev/Clef typed decisions, or make a whole film or music video on this Mac. Use when code should call mlx-serve or the user wants a video, song, pictures or game…
Skill Claude CodeCodex needs its repo
Contributes to and debugs Node.js core, including nodejs/node commit and PR tone, contribution workflows, native crashes, V8 performance, node-gyp builds, N-API bindings, and libuv issues. Use when drafting or reviewing a Node.js core commit or pull request, working in nodejs/node, or diagnosing C++ addons…
Skill Claude Code ✓ vendor
Emulated Slack API for local development and testing. Use when the user needs to interact with Slack API endpoints locally, test Slack integrations, emulate channels/messages/users/views, set up Slack OAuth flows, test incoming webhooks, or work with the Slack Web API without hitting the real Slack API. Triggers…
Skill Claude CodeCodex
Create and edit Voiden .void files for API testing. Covers the .void file format and all enabled extension block types.
cloudflare/workers-oauth-provider
Skill Claude CodeCodex ✓ vendor
Upgrade a Cloudflare Worker's @cloudflare/workers-oauth-provider from 0.x, 1.0 or 1.1 to the latest 1.x. Use when bumping that dependency, or when OAuthProvider / OAuthAuthorizationServer / OAuthResourceServer construction throws after an upgrade.
Skill Claude CodeCodex
Restored placeholder content.
Skill Claude CodeCodex
Manage SublinkPro proxy subscriptions via its REST API — add/query nodes, build and share subscriptions, manage airports, templates (incl. AI template editing), tags, and view dashboard stats. Use when the user wants to operate their SublinkPro instance.
Skill Claude CodeCodex
Use when the user explicitly wants to create, edit, validate, sync, or troubleshoot n8n workflows, asks about n8n nodes or automation, or wants to use n8n-as-code in the current context root.
universal-tool-calling-protocol/code-mode
Skill Claude CodeCodex
Call external APIs, MCP servers, and CLI tools by writing TypeScript code that runs in a sandbox — without MCP. Use when the user wants the agent to use a tool/API/integration (e.g. "search Open Library", "read my Notion", "call this REST API") in an environment that has a shell but no MCP config and no settable…
Skill Claude CodeCodex
Use files-sdk to add file storage to a TypeScript/JavaScript app with a unified API across 49 adapters (S3, R2, GCS, Azure, Vercel Blob, the local filesystem, and more). Triggers when the user wants to upload/download/list/search/move/delete/copy files, generate presigned URLs, do multipart or resumable uploads, range…
Skill Claude CodeCodex
Use when building or modifying CRUD endpoints with FastCRUD (the fastcrud PyPI package) in a FastAPI project — covers FastCRUD, crudrouter, EndpointCreator, FilterConfig, JoinConfig, auto-relationship detection, the filter operator syntax (gte, in, ilike, etc.), cursor pagination, soft delete, and how to avoid N+1…
Skill Claude CodeCodex
Build live video, audio, and real-time data apps with Media over QUIC (MoQ). Use when adding live streaming, conferencing, voice AI, or real-time pub/sub to an app; when integrating the @moq/ npm packages, moq- Rust crates, or the Python/Kotlin/Swift/Go/C/Dart bindings; or when running a moq-relay server or a gateway…
Skill Claude CodeCodex
Reference for all Nixopus API operations callable via nixopusapi(method, path, body).
atsign-foundation/at_client_sdk
Skill Claude Code
Use this skill when a developer is building a Dart or Flutter app that depends on atclient or atclientflutter from pub.dev, stores or shares data via the Atsign Protocol, needs onboarding (CRAM new-atsign, atKeys file, keychain, APKAM) or APKAM enrollment, asks how to open, own, stop or switch an AtClient or read its…
Skill Claude CodeCodex
Guide for setting up thread-safe database connection pooling (FireDAC / UniDAC) in multithreaded Horse applications.
WhiteNightShadow/hello_js_reverse_skill
Skill Claude CodeCodex
A skill for analysing and reproducing web API request signatures for platforms you own or are authorised to use, using Node.js or Python. It also covers browser debugging and protected JavaScript analysis.
Skill Claude CodeCodex
A curl-like CLI tool for making authenticated requests to the X (Twitter) API. Use this skill when you need to post tweets, reply, quote, search, read posts, manage followers, send DMs, send or read end-to-end encrypted XChat messages, upload media, or interact with any X API v2 endpoint. Supports multiple apps, OAuth…
Skill Claude CodeCodex
Build, debug, and optimize Claude API / Anthropic SDK apps. Apps built with this skill should include prompt caching. Also handles migrating existing Claude API code between Claude model versions (4.5 → 4.6, 4.6 → 4.7, retired-model replacements). TRIGGER when: code imports anthropic/@anthropic-ai/sdk; user asks for…
Skill Claude CodeCodex
A command-line tool for managing a WordPress website's posts, pages, media, categories, tags, and search results. WordPress is a content-management system for publishing websites.
Skill Claude CodeCodex
Configure per-session remote channels (Telegram/Discord/Slack/Feishu/Email/WeCom), then verify inbound/outbound routing and processing visibility.
Skill Claude CodeCodex
Migrates external consumer code from the mongodb-mcp-server v1/v2 single-package API to the v3 scoped-package structure. In v3, mongodb-mcp-server is a binary-only package (npx / MCPB); library embedding uses @mongodb-js/mcp-cli, @mongodb-js/mcp-core, @mongodb-js/mcp-http-runners, @mongodb-js/mcp-tools-, and the other…
Skill Claude CodeCodex
Follow the core Office agent protocol on wakeup, including parsing KANDEV context, checking blockers, commenting progress, updating status, and using the CLI safely.
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: