Backend and APIs

19,654 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.

elixir-genius

841

agoodway/.claude

Skill Claude Code

Use when designing or architecting Elixir/Phoenix/LiveView applications, creating comprehensive project documentation, planning OTP supervision trees, defining domain models, structuring multi-app projects with path-based dependencies, or preparing handoff documentation for Director/Implementor AI collaboration.

not rated 11 9mo ago A 57 tokens

meta-mcp-proxy

842

nullplatform/meta-mcp-proxy

MCP server Claude CodeCodexCursor +2

A flexible Model Context Protocol (MCP) proxy that enables discovery and execution of tools across multiple MCP servers and JavaScript functions. Enabling to have a reduced context event if you have houndreds of tools. This mcp act as wrapper of other mcp. Runs locally from the @nullplatform/meta-mcp-proxy npm package.

not rated 11 1y ago A tokens not measured

wmill/minecraft-api-mcp

Skill Codex

Use this skill when an LLM client needs to inspect or modify this Minecraft server through the repo's HTTP API and bundled helper scripts, without relying on MCP tools. Covers world reads, site surveys, terrain maps and smoothing, area locks and markers, queued builds with undo/redo, NBT placement with dry runs…

not rated 11 changed 11d ago A 80 tokens

does-it-work

844

TsakunovR/does-it-work

Skill Claude CodeCodex

A testing and quality-checking toolkit for running an application, finding bugs, and creating automated tests. It supports API tests and browser-based UI tests in Python or Java.

not rated 11 changed 2mo ago A 295 tokens original MIT

302ai-api-integration

845

302ai/302AI-API-Integration-Skill

Skill Claude CodeCodex

ALWAYS use this skill when user needs ANY API functionality (AI models, image generation, video, audio, text processing, etc.). Automatically search 302.AI's 1400+ APIs and generate integration code. Use proactively whenever APIs or AI capabilities are mentioned.

not rated 11 6mo ago A 60 tokens original Apache-2.0

halo-plugin-dev

846

halo-dev/dev-skills

Skill Codex

Create or modify Halo CMS plugins, including Java backend code, plugin.yaml and extension resources, Gradle and DevTools configuration, plugin APIs and lifecycle, and Vue-based Console or User Center UI. Use for Halo plugin implementation, migration, debugging, or integration work; do not use for theme-only changes.

not rated 11 2mo ago A 65 tokens

scopeblind-mcp

847

tomjwxf/scopeblind-gateway

MCP server Claude CodeCodexCursor +2

Scan, protect, and monitor APIs from AI coding tools. Device-level rate limiting. Runs locally from the scopeblind-mcp npm package.

not rated 11 4mo ago A tokens not measured original MIT

home-assistant-rest

848

IkarusMK/AIcortex

Skill Claude CodeCodex

Control and query Home Assistant through the connector's callservice tool — REST API patterns, common domains, how to find entities before acting.

not rated 11 yesterday A 32 tokens original Apache-2.0

deepapi

849

attentiondotnet/davidondrej-skills

Skill Claude CodeCodex

Use DeepAPI for scraping and safe email with DEEPAPIAPIBASEURL and DEEPAPIAPIKEY.

not rated 11 4mo ago A 25 tokens original MIT

processwire-memory

850

gebeer/processwire-ai-docs

Skill Claude CodeCodex

Stores and retrieves ProcessWire API patterns, gotchas, and conventions via memvid hybrid search. Use when starting PW tasks, hitting PW errors, or when user asks to remember/recall ProcessWire knowledge. Persistent cross-project memory at /.memvid/processwire.mv2.

not rated 11 5mo ago A 58 tokens original MIT

jeremylongshore/plugins-nixtla

Skill Claude Code

Generate production-ready MCP server implementations from PRD tool specifications with schema validation, error handling, and testing infrastructure. Use when building MCP servers for Nixtla plugins, implementing tool handlers, or scaffolding server infrastructure. Trigger with 'build MCP server', 'generate MCP…

not rated 11 24d ago A 70 tokens

servicenow-mcp-ai

852

IvanBBaev/servicenow-mcp-ai

Plugin Claude Code

Bundles 8 skills, 2 agents, 3 hooks, 1 MCP server · 572 tokens together

Drive ServiceNow from your AI assistant — 100 tools over the full REST surface, with plan-and-apply write safety, capability preflight, an ACL security scan, eight workflow skills (discover, triage, impact, drift, safe write, UI Builder review, upgrade review, security) and two read-only subagents (investigator…

not rated 11 changed 6d ago A tokens not measured original GPL-3.0

maximo-mcp-server

854

markusvankempen/maximo-mcp-ai-integration-options

MCP server Claude CodeCodexCursor +2

Connect AI assistants to IBM Maximo for API discovery, OSLC querying, and Carbon UI generation. Runs locally from the maximo-mcp-server npm package. Needs 3 environment variables to run.

not rated 11 +1 1mo ago A tokens not measured original Apache-2.0

mailbox-mcp

855

jgalea/mailbox-mcp

MCP server Claude CodeCodexCursor +2

Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels. Runs locally from the mailbox-mcp npm package. Needs 1 environment variable to run.

not rated 11 +1 yesterday A tokens not measured original MIT

s3d-api

856

skyciv/skyciv-ai-skills

Skill Claude CodeCodex needs its repo

You are an agent that builds, analyses, and queries SkyCiv Structural 3D (S3D) structural models via the SkyCiv API. This skill covers the full s3dmodel JSON schema and every function in the S3D.model, S3D.results, S3D.file, and S3D.SB namespaces, plus the S3D.design member/RC design checks.

not rated 11 changed 22d ago A SkillSpector: pass 0 tokens original MIT

cpanel

857

azdigi-official/hosting_ai_skills

Plugin Claude Code

Bundles 14 skills · 1,077 tokens together

Skill AI thao tác gói hosting cPanel qua API token: database, domain, deploy, debug, email, SSL, DNS, metrics, FTP, backup, WordPress. Engine cpanel (bin/) tự vào PATH khi bật.

not rated 11 4mo ago A tokens not measured original MIT

TelegramSecretary

858

Bizuayeu/Plugins-Weave

Plugin Claude Code

Bundles 1 skill, 1 command · 125 tokens together

A Telegram bot plugin that continuously listens for messages through Telegram's Bot API and passes messages from approved chats to a secretary agent.

not rated 11 changed 1mo ago A tokens not measured

bruno-mcp-studio

859

Ostico/bruno-mcp-studio

MCP server Claude CodeCodexCursor +2

Author, edit and run Bruno collections as files: HTTP, WebSocket, gRPC, per-request pass/fail. Runs locally from the @ostico/bruno-mcp npm package.

not rated 11 1mo ago A tokens not measured original MIT

fde-platform

860

rpraharaj/forward-deployed-engineer

Plugin Claude Code

Bundles 3 skills · 317 tokens together

FDE archetype pack for integration and vendor-platform engagements: contract design, adapters against undocumented interfaces, and COTS configuration.

not rated 11 10d ago A tokens not measured original MIT

api-design

861

duyet/oma

Skill Claude CodeCodex

Design HTTP/REST APIs that are consistent, predictable, and safe to evolve. Trigger when the user asks to "design an API", "add an endpoint", "design a REST route", "what should this return", or is shaping request/response contracts, status codes, pagination, versioning, or errors. Covers resource modeling, status…

not rated 11 +1 21d ago A 87 tokens original Apache-2.0

ozon-mcp-server

862

DeviceIngineering/ozon-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for Ozon Seller API + Performance API: 151 tools for prices, promos, ads, orders, returns and finance. Runs locally from the ozon-mcp-server Python package. Needs 5 environment variables to run.

not rated 11 2mo ago A tokens not measured original MIT

nylas-skills

863

nylas/skills

Plugin Claude Code

Bundles 3 skills · 320 tokens together

Build email, calendar, and contacts integrations with the Nylas API and CLI.

not rated 11 changed 1mo ago A tokens not measured original MIT

sinch/skills

Skill Claude CodeCodex

Write C#/.NET Sinch Functions with the Sinch.Functions.Runtime NuGet package. Use when writing or editing a function controller: answering and controlling calls with Voice API v2, IVR menus, placing, bridging or transferring calls, realtime AI voice agents, SMS/WhatsApp/RCS webhooks, custom HTTP endpoints, dependency…

not rated 11 changed 1mo ago A 94 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: