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.

spicedb-dev

1705

authzed/authzed-marketplace

Plugin Claude Code

Bundles 8 skills, 15 commands, 3 agents · 714 tokens together

Comprehensive SpiceDB development toolkit for designing permission models, generating schemas, implementing authorization, testing, and migrating from other authorization systems (OpenFGA, Okta FGA, Oso Cloud) to SpiceDB.

not rated 2 changed 1mo ago A tokens not measured original Apache-2.0

architecture

1706

meaningfy-ws/skillery

Skill Claude CodeCodex

System-level solution architecture — C4 levels (Context, Container, Component, Code), ArchiMate and UML notations, ADRs, and contracts (OpenAPI/AsyncAPI/LinkML). Use for system and solution design, architecture documentation, and architectural decision-making. Distinct from code structure inside a service (see the…

not rated 2 changed 11d ago A 72 tokens GPL-3.0

NorkzYT/claude-code-autopilot

Skill Claude Code

Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.

not rated 2 4mo ago A 58 tokens GPL-3.0

rails-expert

1711

alexmmatos/arthur-mcp

Agent Claude Code

Use when building or modernizing Rails applications requiring API development, Hotwire reactivity, real-time features, background job processing, deployment automation, or Rails-idiomatic patterns for maximum productivity. Version-aware: adapts to Rails 7.x and 8.x projects.

not rated 2 3mo ago A 58 tokens original MIT

kora-v2

1712

kora-projects/kora-skills

Plugin Claude Code

Bundles 2 skills · 582 tokens together

Kora Framework development skill for building production-grade Java/Kotlin services — with compile-time DI, HTTP, Database, Kafka, gRPC, SOAP, OpenAPI, Telemetry, AOP. Zero reflection, zero proxies, synchronous contracts on virtual threads, AI agent friendly. For Kora version 2.x.

not rated 2 changed 1mo ago A tokens not measured original Apache-2.0

supabase

1713

nichuan/zhenyun-pangu-mcp

MCP server Claude CodeCodexCursor +2

Supabase's hosted MCP server: lets the agent manage projects, tables, SQL and migrations. Remote server at mcp.supabase.com.

not rated 2 2d ago A tokens not measured

echo

1714

SkillDoAI/skilldo

Skill Claude CodeCodex

High‑performance, minimalist Go web framework.

not rated 2 1mo ago A 10 tokens

bpmsoft

1715

Catter58/mcpBPMSoft

MCP server Claude CodeCodexCursor +2

MCP server "bpmsoft" as configured in Catter58/mcpBPMSoft. Runs /absolute/path/mcpBPMSoft/build/index.js with node. Needs 7 environment variables to run.

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

terminal49-agent-trust

1716

Terminal49/API

Skill Claude CodeCodex

Use when adding or changing API/OpenAPI endpoints, npm packages, MCP tools, SDK entrypoints, or their docs in the Terminal49/API repository.

not rated 2 today A 36 tokens original MIT

python-code-standard

1717

chicongst/agent-skills-installer

Skill Claude CodeCodex

Use when writing, scaffolding, or extending Python backend code — FastAPI/Starlette APIs, services, workers, SQLAlchemy/Alembic data access, pyproject/uv/ruff/mypy setup — or when the user asks for production-grade, "chuẩn", large-project-quality Python. Not for reviewing existing code (use code-review), restructuring…

not rated 2 12d ago A 112 tokens

Knuckles-Team/documentdb-mcp

Skill Claude CodeCodex

Develop, test, gate, and release the documentdb-mcp connector while preserving its SDK-owned client boundary, per-operation tools, knowledge graph ingestion, packaged resources, and shared publication contracts.

not rated 2 changed today A 44 tokens original MIT

supabase

1719

fortunto2/superstoryboard

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

Supabase's hosted MCP server: lets the agent manage projects, tables, SQL and migrations. Remote server at mcp.supabase.com.

not rated 2 10d ago A tokens not measured

convex_rules

1720

rastermanden/naturklubben

Cursor rule Cursor

Guidelines and best practices for building Convex projects, including database schema design, queries, mutations, and real-world examples.

not rated 2 4d ago A 0 tokens

pfx-mcp-server

1721

pitwch/pfx-mcp-server

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 54 tokens together

Connect Claude Code to Forterro Proffix Px5 through pfx-mcp. A pfx MCP API key is required, plus your Proffix REST credentials. The key is sent as Bearer to https://mcp.pfx.ch/api/server and is never optional.

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

stoop-api

1723

mislavjc/stoop

Skill Claude CodeCodex

Publish a stoop site over HTTP with an API key, from a server-side app, agent, or CI job that has no folder and no terminal. Use when code you are writing needs to publish or revise a web page at runtime — a bot posting a report, a job publishing a dashboard. If you have the files on disk and a terminal, use stoop…

not rated 1 3mo ago A 82 tokens original MIT

spotify

1724

furkangonel/cowrangler

Skill Claude CodeCodex

Spotify API integration — playback control, playlists, search, recommendations.

not rated 1 1mo ago A 15 tokens original MIT

agntdev/skills

Skill Claude CodeCodex needs its repo

Wire up the Telegram Bot API foundation. Covers how the HTTP client works (long polling vs webhook), how grammY wraps it (Bot instance, ctx, command routing, callback queries, middleware), the agntdev inlined toolkit (createBot / makeBot), the hard limits (callbackdata 64 BYTES, message 4096 chars), parsemode (HTML…

not rated 1 4mo ago A 254 tokens original MIT

nextjs-mcp-kit

1726

kocicjelena/nextjs-mcp-kit

MCP server Claude CodeCodexCursor +2

A Next.js App Router MCP server, MCP client and provider-agnostic chat UI — drop-in routes, components and a pluggable provider seam for Claude and Ollama. Runs locally from the nextjs-mcp-kit npm package.

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

swagger-docs-mcp

1727

qipeijun/swagger-docs-mcp

MCP server Claude CodeCodexCursor +2

Read-only MCP server for querying live Swagger 2.0 API documentation, including Knife4j / Springfox doc.html entry points. Runs locally from the swagger-docs-mcp npm package.

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

cdek

1728

theYahia/cdek-mcp

MCP server Claude CodeCodexCursor +2

MCP server for CDEK delivery API — 16 tools: calculate, orders, courier pickup, tracking, PVZ, print, webhooks. OAuth2 auth. Runs locally from the @theyahia/cdek-mcp npm package. Needs 3 environment variables to run.

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

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