Backend and APIs

18,686 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.

mcp-rules

625

tienan92it/binance-mcp

Cursor rule Cursor

Cursor rule "mcp-rules" from tienan92it/binance-mcp, covering architecture & code structure, agent registration & session management, strategy execution, mcp protocol compliance & message handling and data modeling.

not rated 20 1y ago A 0 tokens original MIT

bobmatnyc/mcp-skillset

Skill Claude CodeCodex

Production-grade FastAPI development with async patterns, Pydantic v2, dependency injection, ML/AI endpoint design, and modern Python best practices for building high-performance REST APIs.

not rated 20 6mo ago A 41 tokens original MIT archived

nodejs-project-arch

627

abczsl520/nodejs-project-arch

Skill Claude CodeCodex

Node.js project architecture standards for AI-assisted development. Enforces file splitting (<400 lines), config externalization, route modularization, and admin dashboards. Use when creating new Node.js projects, refactoring large single-file codebases, or when AI context window is being consumed by oversized files.…

not rated 20 5mo ago A 100 tokens original MIT

merge-mcp

628

merge-api/merge-mcp

MCP server Claude CodeCodexCursor +2

An MCP interface for the Merge API. Runs locally from the merge-mcp Python package.

not rated 20 1y ago A tokens not measured

feature

629

pierreb-devkit/Node

Skill Claude Code

Use this whenever the user asks to "implement", "add", "build", "create", or "modify" a feature, endpoint, API, route, or module in this Node project. Three phases: Phase 0 scope analysis (flows + edge cases + plan validation, STOP for user), Phase 1 implementation (layered Routes → Controllers → Services →…

not rated 20 yesterday A 113 tokens

footprint

630

footprintjs/footPrint

Skill Claude CodeCodex

Use when building flowchart pipelines with footprintjs — stage functions, decider branches, selectors, subflows, loops, narrative traces, recorders, redaction, contracts, and LLM-ready output. Also use when someone asks how footprint.js works or wants to understand the library.

not rated 20 today A SkillSpector: warn 60 tokens original MIT

project-init

631

linshidream/skill-hub

Skill Claude CodeCodex

Initialize a Java Maven Spring Boot project scaffold into an empty directory (or add a new child module to an existing one). Generates parent/child POM, logback, layered application config (application.yml core + local/test/prod env files), README, docs/ skeleton, test skeleton, Dockerfile/build.sh/run.sh/rollback.sh…

not rated 20 +1 29d ago A SkillSpector: pass 263 tokens original MIT

webhook-docs-brief

632

bytebear7286-32ffw/webhook-docs-brief

Skill Claude CodeCodex

A guide for writing documentation for outbound webhooks, which are automatic messages a service sends to another system when an event occurs. It covers events, message data, signature checks, retries, duplicate handling, and examples.

not rated 20 1mo ago A 114 tokens original MIT

vue

633

Macavity/mapeditor

Cursor rule Cursor

You are an expert in Laravel, Vue.js, and modern full-stack web development technologies.

not rated 20 5mo ago A 709 tokens GPL-2.0

openapi.com

634

openapi/mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "openapi.com", hosted remotely at 127.0.0.1, as configured in openapi/mcp-server.

not rated 19 1mo ago A tokens not measured original MIT

swagger-explorer-mcp

636

johnneerdael/swagger-mcp

MCP server Claude CodeCodexCursor +2

MCP server "swagger-explorer-mcp" as configured in johnneerdael/swagger-mcp. Runs locally from the swagger-explorer-mcp npm package.

not rated 19 1y ago A tokens not measured

PulkitXChadha/awesome-databricks-mcp

Cursor rule Cursor

Cursor rule "performance-optimization" from PulkitXChadha/awesome-databricks-mcp, covering performance optimization guidelines, backend performance, fastapi optimization, use jsonresponse for better performance and implement pagination for large datasets.

not rated 19 12mo ago A 3,497 tokens

OpenCageData/opencage-geocoding-mcp

MCP server Claude CodeCodexCursor +2

MCP server for OpenCage geocoding API. Runs locally from the @opencage/mcp-opencage-server npm package. Needs 1 environment variable to run.

not rated 19 6d ago A tokens not measured original MIT

StefanTheCode/dotnet-ai-toolkit

Agent Claude Code

Reviews a .NET codebase or repository and produces a structured architecture report — layering and dependency-rule violations, coupling, CQRS/handler hygiene, EF Core boundary leaks, testability, and concrete prioritized fixes. Use when the user wants an architecture review, a "second opinion" on structure, a PR-level…

not rated 19 1mo ago A 102 tokens original MIT

protobuf

642

bufbuild/claude-plugins

Plugin Claude Code

Bundles 1 skill · 54 tokens together

Protocol Buffers development with Buf toolchain. Use when working with .proto files, buf.yaml, buf.gen.yaml, gRPC services, Connect APIs, or protovalidate constraints.

not rated 19 6d ago A tokens not measured original Apache-2.0

verify

643

windoze95/cantinarr

Skill Claude Code

Drive the Cantinarr Flutter app in a browser to verify UI changes at runtime — no backend required. Use when a change to app/lib needs visual/behavioral verification (layout, navigation, theming).

not rated 19 +2 today A 44 tokens AGPL-3.0

add-ai-provider

644

nikandr-surkov/ai-saas-starter

Skill Claude Code

Implement the image-generation provider interface for a new provider (fal, Replicate, direct OpenAI, ...). Use when swapping or adding an AI provider.

not rated 19 +3 1mo ago A 35 tokens original MIT

speakeasy

646

speakeasy-api/skills

Plugin Claude Code

Bundles 14 skills · 1,059 tokens together

SDK generation and OpenAPI tooling with Speakeasy CLI.

not rated 18 7mo ago A tokens not measured original Apache-2.0

beam-architect

647

asiflow/claude-nexus-hyper-agent-team

Agent Claude Code

Use this agent as the Staff/Principal BEAM Architect owning Plane 1 of the Living Platform — the BEAM kernel. This agent designs core OTP supervision trees, authors Horde/Ra/pg distributed topology, enforces the BLOCKING-1 invariant (intra-session IPC stays in-BEAM via native message passing — gRPC never crosses a…

not rated 18 3mo ago A 917 tokens original MIT

mcp

648

CleanSlice/mcp

MCP server Claude CodeCodexCursor +2

Architecture docs and patterns for NestJS + Nuxt full-stack apps. Remote server at mcp.cleanslice.org.

not rated 18 20d ago A tokens not measured original MIT

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