Backend and APIs plugins

1,386 tagged Backend and APIs, measured the same way as everything else here.

Browse within: ai-coding 175llm-tools 162api-integrations 160event-driven 160github-webhooks 160ai-skills 40claude-code-skills 30claude-plugin 28claude-code-skill 27claude-code-commands 24claude-code-plugins 23claude-ai 21plugins 21api 19

dataforseo

363

mrstroz/claude-code-plugins

Plugin Claude Code

Bundles 1 skill · 221 tokens together

SEO research via the DataForSEO API v3 — keyword research, competitor & domain analysis, SERP/rank checking, and backlink analysis through a single generic client script.

not rated 3 yesterday A tokens not measured

payload-cms

364

mrstroz/claude-code-plugins

Plugin Claude Code

Bundles 2 skills · 851 tokens together

Read and write Payload CMS content over the REST API — discovers each project's collections, blocks and locales at runtime, composes blocks and Lexical rich text, uploads media, and guards every write with a backup, a diff and a re-read.

not rated 3 yesterday A tokens not measured

arch-patterns

366

JeonJe/claude-plugins

Plugin Claude Code

Bundles 3 skills · 298 tokens together

Production-tested architecture rules for feature development: Spring layered/DDD boundaries with domain-event and exception-ladder design, and Vue/Nuxt MVVM with query-composable wrapping and component quality bars.

not rated 3 29d ago A tokens not measured original MIT

circleci

367

hidetsugu-miya/claude-plugins

Plugin Claude Code

Bundles 1 skill · 81 tokens together

A plugin for investigating and monitoring CircleCI, a service that automatically builds and tests code. It provides investigation tools and watches workflows through the CircleCI REST API until a target state is reached.

not rated 3 2mo ago A tokens not measured

devin

368

hidetsugu-miya/claude-plugins

Plugin Claude Code

Bundles 1 skill · 21 tokens together

A plugin that retrieves documentation from GitHub repositories and answers questions about it through Devin's DeepWiki service. It can also delegate tasks to Devin and check their status through the Devin Session API.

not rated 3 2mo ago A tokens not measured

openapi-skills

371

openapi/openapi-skills

Plugin Claude Code

Bundles 11 skills · 681 tokens together

Agent skills for the Openapi API marketplace: company data (IT/EU/worldwide), official Italian business documents, KYC/risk reports, data verification, geocoding and cadastre, SMS/PEC/postal messaging, eIDAS e-signatures, electronic invoicing via SDI, automotive data and utilities.

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

mailbox

372

psyb0t/docker-mailbox

Plugin Claude CodeCodex

Bundles 1 skill · 147 tokens together

Multi-mailbox IMAP/SMTP control plane exposed as a REST API and MCP server on a single port — read, search, send, mark-seen, and delete mail across multiple inboxes.

not rated 2 11d ago A tokens not measured WTFPL

dns-doctor

373

dnsdoctor/claude-plugin

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 116 tokens together

Diagnose and fix a domain's email authentication (SPF, DMARC, DKIM, MX, blacklist, expiry). Returns deterministic verdicts and copy-paste fix records generated by a validating engine — never a guessed record.

not rated 2 29d ago A tokens not measured original Apache-2.0

nifra

375

nifrajs/nifra

Plugin Claude Code

Bundles 4 skills · 335 tokens together

Skills for building and verifying Nifra apps: contract-first APIs, full-stack SSR on five UI libraries, and the check/assure/capabilities gates. Prefers Nifra's live MCP server over model recall.

not rated 2 8d ago A tokens not measured original MIT

flolib-skills

376

wunamesst/skills

Plugin Claude Code

Bundles 6 skills, 4 commands · 747 tokens together

FloLib multi-platform agent skills. Includes svg-diagram for technical diagrams, poly-wiki for knowledge base compilation, and api-to-openapi for importable API documentation.

not rated 2 1mo ago A tokens not measured original MIT

searching-apple-notes

377

yinanli1917-cloud/searching-apple-notes

Plugin Claude Code

Bundles 9 skills · 560 tokens together

Semantic search and note creation for Apple Notes, powered by Qwen3-Embedding-0.6B embeddings and ChromaDB. Search your notes in natural language (English, Chinese, 100+ languages), get answers with citations, and write notes back — all local, no API keys.

not rated 2 1mo ago A tokens not measured original MIT

concilium

378

raichominev/concilium

Plugin Claude Code

Bundles 1 skill, 3 commands · 539 tokens together

Cross-model adversarial review and idea generation. A Claude session orchestrates and ratifies; OpenAI (codex), Moonshot (kimi) and xAI (grok) seats probe, replicate and generate — all on subscription auth, no API key required. Ten modes: review, forge, instrument audit, fragment verify, blind replication, and more.

not rated 2 8d ago A tokens not measured original Apache-2.0

bm-skills

379

basemachina/skills

Plugin Claude Code

Bundles 3 skills · 356 tokens together

A collection of skills for working with BaseMachina, including researching its official documentation, managing code, and building clients for its public APIs.

not rated 2 8d ago A tokens not measured original MIT

feathersjs

380

hassan4702/feathers-plugin

Plugin Claude Code

Bundles 4 skills, 1 agent · 647 tokens together

Build FeathersJS v5 (Dove) APIs the idiomatic way: four-file services, around/before/after hooks, TypeBox schemas and resolvers, and a security-focused code reviewer.

not rated 2 3mo ago A tokens not measured original MIT

crm

381

systempromptio/systemprompt-marketplace

Plugin Claude Code

Bundles 9 skills · 472 tokens together

CRM and sales pipeline management for systemprompt.io. Tracks leads from first touch through conversion, manages deals and pipeline stages, drafts and sends emails via Resend API (human-approved, never automatic), produces daily sales strategy briefs, and logs every action as a falsifiable hypothesis. Includes…

not rated 2 6d ago A tokens not measured

skool-actor

382

ctala/skool-api-docs

Plugin Claude Code

Bundles 1 skill · 106 tokens together

Read and write to any Skool community from your AI agent — posts, comments, members, classroom courses, files, and Auto DM. One HTTP call per action, never-throw contract, LLM-readable error hints. Backed by the Apify-hosted Skool All-in-One API actor.

not rated 2 13d ago A tokens not measured

dsc

383

j-256/agent-skills

Plugin Claude Code

Bundles 3 skills · 218 tokens together

Salesforce developer documentation skills for API reference scraping, endpoint help, and multi-call scenarios.

not rated 2 3d ago A tokens not measured original MIT

liquid-glass

384

heyparsadev/liquid-glass-skill

Plugin Claude Code

Bundles 1 skill · 105 tokens together

Comprehensive iOS 26 Liquid Glass design system for SwiftUI. Provides API reference, HIG principles, design tokens, motion patterns, accessibility guidance, performance rules, anti-patterns, a pattern library for every common surface, and nine full-screen example apps that compile in Xcode 26.

not rated 2 22d ago A tokens not measured

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: