Backend and APIs

24,034 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.

owl-admin-app-dev

145

slowlyo/owl-admin

Skill Claude CodeCodex

Use this skill when developing an application that installed slowlyo/owl-admin, especially backend CRUD, menus, permissions, controllers, services, routes, config/admin.php, app/Admin, helper functions, settings(), adminpages(), AdminPipeline, upload/file preview issues, route conflicts, custom login/menu examples, or…

not rated 616 yesterday A 114 tokens original MIT

gateway

146

adaline/gateway

Cursor rule Cursor

The gateway core module is the central orchestrator that handles AI provider requests, manages caching, queuing, and provides unified interfaces for chat completion, embeddings, and tool responses.

not rated 605 1mo ago A 0 tokens original MIT

claude-api

147

andrew-kramer-inno/claude-code-source-build

Skill Claude CodeCodex

This skill helps you build LLM-powered applications with Claude. Choose the right surface based on your needs, detect the project language, then read the relevant language-specific documentation.

not rated 596 +2 5mo ago A 0 tokens

java-coding-standards

148

Snailclimb/AIGuide

Skill Claude CodeCodex

A set of conventions for writing, reviewing, refactoring and explaining Java and Spring Boot code. It covers common application layers such as controllers, services and data-access code, while allowing repository-specific rules to take priority.

not rated 594 +16 2mo ago A 144 tokens

add-datasource

149

grafana/gcx

Skill Claude CodeCodex ✓ vendor

Use for the implementation workflow that adds gcx CLI support for a datasource type not registered in internal/datasources/providers — query client, command constructors, DatasourceProvider registration. Trigger on "add support for an unsupported datasource type" or "new datasource type". NOT for creating or…

not rated 586 +9 today A 127 tokens original Apache-2.0

so-crates AGENTS.md

150

dougburks/so-crates

Instructions file CodexOpenCode

Instructions for dougburks/so-crates, covering agents.md, updating vendored dependencies, d3, backend architecture and handler conventions.

not rated 583 +1 10d ago A 8,467 tokens original MIT

demo-create

151

southliu/south-admin-react

Skill Claude CodeCodex

A code generator for standard CRUD screens. CRUD means creating, viewing, editing, and deleting records in an administration panel.

not rated 577 +1 3d ago A 99 tokens original MIT

enferno-dev

152

level09/enferno

Skill Claude CodeCodex

Development skill for Enferno Flask framework. Use when implementing features, fixing bugs, or writing code for Enferno-based applications. This includes creating models, API endpoints, Vue.js frontend components, database operations, or any development task within the Enferno ecosystem. Triggers: creating blueprints…

not rated 569 9d ago A 82 tokens original MIT

ZubeidHendricks/youtube-mcp-server

Instructions file

Instructions for ZubeidHendricks/youtube-mcp-server, covering claude.md, project overview, development commands, install dependencies and build typescript to javascript.

not rated 570 27d ago A 1,066 tokens original MIT

matiasbattocchia/open-bsp-api

Instructions file

Claude Code instructions for matiasbattocchia/open-bsp-api, covering claude.md, project overview, local checks must match ci (deno), debugging production edge functions and timestamps.

not rated 568 +7 4d ago A 1,481 tokens original Unlicense

resend

155

resend/resend-mcp

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "resend" as configured in resend/resend-mcp. Runs dist/index.js with node. Needs 1 environment variable to run.

not rated 565 today A tokens not measured original MIT

mcp-server

156

sv-number/mcp-server

MCP server Claude CodeCodexCursor +2

Phone numbers for AI agents: order a private number, read the SMS verification code, hand it back. Runs locally from the sv-number-mcp npm package. Needs 1 environment variable to run.

not rated 561 +3 25d ago A tokens not measured original MIT

solana-dev

157

solana-foundation/solana-dev-skill

Skill Claude CodeCodex

Use when user asks to "build a Solana dapp", "write an Anchor program", "create a token", "debug Solana errors", "set up wallet connection", "test my Solana program", "fuzz my Solana program", "deploy to devnet", "send a v1 transaction", "support larger transactions", "fix maxSupportedTransactionVersion", or "explain…

not rated 560 +4 changed yesterday A 250 tokens original MIT

laravel-api-tool-kit

158

ahmedesa/laravel-api-tool-kit

Plugin Claude Code

Bundles 1 skill · 74 tokens together

Production-grade rules and workflows for Laravel REST APIs built with essa/api-tool-kit. 21 rule files and 8 guided workflows covering every layer of a Laravel API including DDD support.

not rated 533 4mo ago A tokens not measured original MIT

butterbase-ai/butterbase-skills

Instructions file

Instructions for butterbase-ai/butterbase-skills, covering butterbase, environment variables, always check docs before platform work, toolchain — sdk and cli and prefer built-in integrations over external saas.

not rated 533 2mo ago A 3,437 tokens original MIT

remix

161

kentcdodds/kody

Skill Claude CodeCodex

Build and review Remix 3 applications using the remix npm package and subpath imports. Use when working on Remix app structure, routes, controllers, middleware, validation, data access, auth, sessions, file uploads, server setup, UI components, hydration, navigation, or tests.

not rated 528 +12 changed today A 62 tokens

muthuishere/mcp-server-bash-sdk

Instructions file

Instructions for muthuishere/mcp-server-bash-sdk, covering claude.md, what this is, commands, the contract between the two layers and protocol shape (2026-07-28).

not rated 515 1mo ago A 2,713 tokens original MIT

shioaji

163

Sinotrade/Shioaji

Plugin Claude Code

Bundles 1 skill · 316 tokens together

Shioaji Taiwan financial trading API guide. Covers Python native binding (sync/async), CLI tool, HTTP API server with SSE streaming, dashboard, and multi-language SDK integration (JS/TS, Go, C/C++, C#, Rust, Java/Kotlin) for TWSE/TPEX/TAIFEX markets.

not rated 511 +1 8d ago A tokens not measured

turn-rs AGENTS.md

164

mycrl/turn-rs

Instructions file CodexOpenCode

AGENTS.md instructions for mycrl/turn-rs, covering agents.md, project overview, core capabilities, key entry points and directories and source code architecture (modules and responsibilities).

not rated 510 changed today A 3,098 tokens original MIT

1c-server-stdio

165

vladimir-kharin/1c_mcp

MCP server Claude CodeCodexCursor +2

MCP server "1c-server-stdio" as configured in vladimir-kharin/1cmcp. Runs src.py_server with C:\Python\python. Needs 7 environment variables to run.

not rated 488 +2 4d ago A tokens not measured

agentregistry-dev/agentregistry

Instructions file CodexOpenCode

AGENTS.md instructions for agentregistry-dev/agentregistry, covering agents.md - development guidelines, project overview, architecture, directory structure and layer responsibilities.

not rated 482 +3 yesterday A 3,622 tokens original Apache-2.0

talkcody AGENTS.md

167

talkcody/talkcody

Instructions file CodexOpenCode

Instructions for talkcody/talkcody, covering project development guide for ai agents, project overview, architecture diagram, technology stack and frontend.

not rated 478 +2 3mo ago A 1,908 tokens original MIT

cyanheads/atlas-mcp-server

Instructions file

Instructions for cyanheads/atlas-mcp-server, covering claude.md, essential development commands, build and development, database operations and running the server.

not rated 477 1y ago A 843 tokens original Apache-2.0

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: