Backend and APIs

18,757 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.

krishnanpandya007/support-technician-setup

Cursor rule Cursor

Use when generating the read-only data-access tools a customer-support agent uses to diagnose an end user's live state — reading a project's backend to propose a tool catalog plus the database access SQL (restricted read-only role, column grants, row-level security), for mandatory human review. Triggers: "discover…

not rated 2 3mo ago A 84 tokens original MIT

crudcraft

1538

GitRavz/CRUDcraft

Skill Claude CodeCodex

Use when building or editing a small database-backed web app in ANY stack — plain PHP, Laravel, or Supabase, on MySQL/MariaDB, PostgreSQL, SQLite, SQL Server, or a hosted DB — scaffolding a project, creating or evolving a database, designing tables or writing SQL, adding login/registration or user roles, building a…

not rated 2 1mo ago A 174 tokens original MIT

modern-saas-builder

1540

lijnati/modern-saas-builder-skills

Skill Claude CodeCodex

Founder-minded senior product engineer and SaaS architect skill. Use when building, planning, architecting, validating, designing, testing, securing, deploying, or monetizing modern SaaS products, micro-SaaS, web apps, AI agents, Web3/Base applications, agent commerce, or Telegram bots/Mini Apps. Always active when…

not rated 2 19d ago A 98 tokens original MIT

nestjs-expert

1541

ivanshtokov/copilot-kit

Skill Claude CodeCodex

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js authentication. Use PROACTIVELY for any Nest.js application issues including architecture decisions, testing strategies…

not rated 2 7mo ago A 85 tokens original MIT

service-builder

1542

nchdatta/projectkit

Agent Claude Code

Owns src/services, src/hooks/queries and src/hooks/mutations. Use to expose a finished API endpoint to the client — entity types, service functions, TanStack Query hooks and keys.

not rated 2 27d ago A 42 tokens

architect-be

1543

Ivan-Linnik/ai-templater

Agent Claude Code

Use for backend architecture analysis, solution design, and impact analysis. Covers API design, service boundaries, data models, auth, and performance.

not rated 2 4mo ago A 31 tokens

ulpi-io/agent-library

Agent Claude Code

Expert Express.js developer specializing in middleware architecture, RESTful APIs, queue systems with Bull, production-ready Node.js applications with Pino logging, and enterprise-grade server-side development.

not rated 2 10mo ago A 41 tokens

api-documentation

1545

mercuryPark/oc-setup

Skill Claude CodeCodex

Guidance for documenting web APIs with OpenAPI, a standard format for describing endpoints, inputs, outputs, examples, and errors.

not rated 2 5mo ago A 27 tokens original MIT

backend-worker

1547

Phudit-2547/ChuMaiNichi

Skill Claude CodeCodex

A worker for Python scripts and backend API/DB features.

not rated 2 11d ago A 15 tokens original MIT

convex-best-practices

1548

PwntasticKev/Ge-Metrics

Cursor rule Cursor

Best Practices This is a list of best practices and common anti-patterns around using Convex. We recommend going through this list before broadly releasing your app to production. You may choose to try using all of these best practices from the start, or you may wait until you've gotten major parts of your app working…

not rated 2 7mo ago A 14,746 tokens

enforce-data-layer

1549

rungchan2/frontend-skills

Command Claude Code

CRITICAL ARCHITECTURE RULE: This project follows strict data layer separation principles based on SOLID and encapsulation.

not rated 2 4mo ago A 0 tokens original Apache-2.0

fiddike/Cursor-Rules-MDC

Cursor rule Cursor

Cursor rule "symfony-6.4-best-practices" from fiddike/Cursor-Rules-MDC, covering symfony 6.4 best practices and symfony 6.4 best practices.

not rated 2 1y ago A 0 tokens

backend-changes

1552

RexiaAI/CursorRules

Skill Claude CodeCodex

Subagent skill for making changes to the FastAPI backend. Use when the task involves editing Python files in backend/, running backend tests, modifying the Dockerfile, or changing backend configuration.

not rated 2 5mo ago A 41 tokens

backend-workflow

1555

RendHeaven/DocBiz-Dev-Harness

Cursor rule Cursor

A staged workflow for backend and full-stack backend work, from clarifying a request and planning tasks through implementation, review, interface testing, and API documentation. An API is the defined way that software exchanges data.

not rated 2 3mo ago A 0 tokens original MIT

backend-patterns

1556

jy315189/everything-cursor

Skill Cursor

Deep backend architecture patterns for building production-grade server applications.

not rated 2 7mo ago A 0 tokens original MIT

design-an-interface

1557

witi-projects/Skills

Skill Claude CodeCodex

Generate multiple radically different interface designs for a module using parallel sub-agents. Use when user wants to design an API, explore interface options, compare module shapes, or mentions "design it twice". Use when the user says "/design-an-interface", "design an interface", or asks about design an interface.

not rated 2 4mo ago A 65 tokens original MIT

strapi-core

1558

t-code4change/claude-strapi-skills

Skill Claude Code needs its repo

Production-grade Strapi v5 backend skill. Use when creating collection types, single types, components, dynamic zones, relations, i18n fields, SEO patterns, storage (Cloudflare R2 / AWS S3), database config (PostgreSQL + SQLite), bootstrap lifecycle hooks, permission seeding, Docker + Traefik deployment, plugin…

not rated 2 2mo ago A 108 tokens original MIT

convex-ents

1560

Omed0/convex-selfhost-starterkit

Cursor rule Cursor

Convex Ents are an ergonomic layer on top of the Convex built-in ctx.db API for reading from and writing to the database.

not rated 2 10mo ago A 0 tokens

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