drizzle-neon

Add a PostgreSQL database with Drizzle ORM to a Scaffold-ETH 2 project. Use when the user wants to: add a database, use Drizzle ORM, integrate Neon PostgreSQL, store off-chain data, build a backend with database, or add persistent storage to their dApp.

Umbrela Eval

Analyze and compare umbrela evaluation results across backends, models, and configurations.

fullstack

Senior Full Stack Engineer that builds production code with unit tests from architecture docs and UX specs. Trigger on build, implement, code, debug, refactor, full stack, frontend, backend, or auth implementation.

fastify-best-practices

Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and security headers, integrating databases, working with WebSockets, and deploying to production. Covers the full Fastify request lifecycle (hooks, serialization, logging with Pino) and TypeScript integration via strip types. Trigger terms: Fastify, Node.js server, REST API, API routes, backend framework, fastify.config, server.ts, app.ts.

project-overview

Overview of the torch-spyre repository, Spyre device architecture, compilation pipeline, and codebase structure. Use when asking about how torch-spyre works, the repo layout, Spyre hardware, the Inductor backend, or getting oriented in the codebase.

api-endpoint

Scaffold a REST API endpoint with route, controller, validation, and tests. Use when creating new API endpoints, adding resources, or when asked to build a new backend route.

learned-codex-proxy-tool-calls-parse

Parse ChatGPT Codex backend SSE for tool_calls (content_part.added, output_item.done, function_call_arguments.delta/done) and return OpenAI Chat Completions format. Use when implementing or fixing tool call parsing in a Codex reverse proxy (OpenAI-compatible /v1/chat/completions) that consumes Responses API-style SSE.

acp-local-runner

Run and debug Agmente ACP end-to-end scenarios from the repo-owned e2e/scenarios/acp specs. Use when validating ACP websocket compatibility, session creation, cwd handling, reconnect flows, or reproducing ACP-only UI failures against a real local ACP backend.

backstage-backend-plugin

Build and maintain Backstage backend plugins following best practices.

test-backend

Generates backend API integration tests for PwnDoc using Jest and supertest. Tests run against an ephemeral MongoDB instance via ./pwndoc-cli test --backend.

Io.Github.ShingWong/Node Server Orchestrator

MCP server for orchestrating Node.js development servers (backend, frontend, databases, etc.)

minimize-ad-bug

Minimize an AD bug by systematically stripping a failing DynamicPPL model down to its root cause. Use when a model + AD backend gives wrong gradients or errors.

documentation-guidelines

Write or update backend feature documentation that follows a repo's DOCUMENTATION_GUIDELINES.md (or equivalent) across any project. Use when asked to create/update module docs, API contracts, or backend documentation that must include architecture, endpoints, payloads, Mermaid diagrams, and seeding instructions.

backend-agent

Backend specialist for APIs, databases, authentication using FastAPI with clean architecture (Repository/Service/Router pattern). Use for API, endpoint, REST, database, server, migration, and auth work.

developing-with-fortify

Laravel Fortify headless authentication backend development. Activate when implementing authentication features including login, registration, password reset, email verification, two-factor authentication (2FA/TOTP), profile updates, headless auth, authentication scaffolding, or auth guards in Laravel applications.

cognito-user-analysis

Use when looking up Cognito user details by sub UUID, finding duplicate accounts sharing phone or email, analyzing which duplicates to keep vs delete, or fixing orphaned UNCONFIRMED signups. Symptoms include 403 Forbidden on login, multiple accounts for same phone, backend sync issues.

actix-web

Actix-web Rust web framework. Covers routing, extractors, middleware, state management, and WebSocket. Use for high-performance Rust APIs. USE WHEN: user mentions "actix-web", "actix", "rust web framework", "rust api", asks about "rust async web", "actix middleware", "actix extractors", "rust websocket", "high performance rust api" DO NOT USE FOR: Axum projects - use `axum` instead, Rocket projects - use `rocket` instead, Warp projects - use `warp` instead, non-Rust backends

training-hub-guide

Guides users through LLM post-training with Training Hub, including installation, algorithm selection (SFT, OSFT, LoRA), hyperparameter tuning, troubleshooting OOM errors, interpreting loss curves, and leveraging backend-specific features. Use when the user is working with training_hub, fine-tuning language models, asking about SFT/OSFT/LoRA training, or debugging GPU/CUDA training issues.

Mcp Audit Server

Thin MCP and CLI proxy for AI agent and MCP security auditing via a hosted backend

Default agent backend

[agent] default = "claude" # or "codex"

backend-mvp-guardrails

Use when designing or reviewing a backend MVP with tight budget, evolving schema, and reliance on third-party backends where idempotency, replay, and responsibility attribution are high-risk.

add-qmd

Add QMD (Query Markup Documents) as an advanced memory search backend. Upgrades the built-in grep-based memory_search with hybrid BM25 + vector semantic search + LLM re-ranking. Fully local, no API keys needed. Triggers on "add qmd", "qmd memory", "semantic memory search", "upgrade memory".

Backend Master Agent

Specialized backend development knowledge for API design, database patterns, and server architecture.

Promptheus

AI-powered prompt refinement with adaptive questioning and multi-provider support (6+ LLM backends)

apim-bicep

Guide for building Bicep files for Azure API Management (APIM) and related Azure services. Use when users want to create, modify, or understand Bicep templates for APIM instances, APIs, backends, subscriptions, policies, products, loggers, diagnostics, and MCP servers. This skill provides Bicep syntax, patterns from Azure Verified Modules, and examples from this repository.

laravel-best-practices

Apply this skill whenever writing, reviewing, or refactoring Laravel PHP code. This includes creating or modifying controllers, models, migrations, form requests, policies, jobs, scheduled commands, service classes, and Eloquent queries. Triggers for N+1 and query performance issues, caching strategies, authorization and security patterns, validation, error handling, queue and job configuration, route definitions, and architectural decisions. Also use for Laravel code reviews and refactoring existing Laravel code to follow best practices. Covers any task involving Laravel backend PHP code patterns.

Backend API

Your approach to handling backend API. Use this skill when working on files where backend API comes into play.

add-model

Add a new AI model to the Pipelex inference system. Guides through all required steps: backend TOML configuration (OpenAI, Azure, Anthropic, Google, etc.), kit sync, test profile collections, and fixture regeneration. Use when the user says "add a model", "add GPT-X", "add Claude X", "new model", "register a model", "add Gemini X", "support model X", "add model to backend", or any variation of introducing a new AI model to the inference configuration. Also use when the user mentions a model name that doesn't exist in the backend configs yet and wants to add it.

backend-ui-design

Design and implement consistent, production-grade backend/backoffice interfaces using the @open-mercato/ui component library. Use this skill when building admin pages, CRUD interfaces, data tables, forms, detail pages, or any backoffice UI components. Ensures visual consistency and UX patterns across all application modules.

react-native-ai-skills

Provides integration recipes for the React Native AI @react-native-ai packages that wrap the Llama.rn (Llama.cpp), MLC-LLM, Apple Foundation backends. Use when integrating local on-device AI in React Native, setting up providers, model management.

improve-openbb-skill

Submit improvements or fixes to the OpenBB app builder skill. Use when you discover documentation errors, missing features, or incorrect examples in the openbb-app-builder skill. Automatically creates a PR to the backends-for-openbb repo.

litestream

Expert knowledge for contributing to Litestream, a standalone disaster recovery tool for SQLite. Provides architectural understanding, code patterns, critical rules, and debugging procedures for WAL monitoring, LTX replication format, storage backend implementation, multi-level compaction, and SQLite page management. Use when working with Litestream source code, writing storage backends, debugging replication issues, implementing compaction logic, or handling SQLite WAL operations.

api-and-interface-design

Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.

Rails Backend Skill

Opinionated conventions for Rails backend code. Architecture is built on a single principle: **place the domain model at the center.** Controllers, jobs, and the console are all boundaries that orchestrate domain logic — they contain no business logic themselves.

genimg-gemini-web

Image generation skill using Gemini Web. Generates images from text prompts via Google Gemini. Also supports text generation. Use as the image generation backend for other skills like cover-image, xhs-images, article-illustrator.

compiler_plugin_dev

Designs, models, and implements Kotlin compiler extensions using K2/FIR and IR. Guides modifications to SpektGenerator (IR), ProxyGenerator (IR), and InspektChecker (FIR). Handles synthetic declaration generation, FIR status/supertype transformations, and IR backend lowerings. Use when implementing reflection features, fixing plugin bugs, or engineering compiler diagnostics.

agent-session-format-check

Verify agent session format compatibility for Agent Sessions. Use when any agent CLI updates, when monitoring flags drift, or when bumping max verified versions (fixtures + docs + tests). Covers session schema, usage/limits tracking, storage backends, and discovery path contracts for all supported agents.

jug

This skill should be used when the user wants to parallelize Python tasks with Jug, write a jugfile, run jug execute/status/invalidate/cleanup/shell, understand task dependencies, use barriers or bvalue, apply mapreduce patterns, debug failed tasks, invalidate stale results, or choose a jugdir backend (filesystem, Redis, dict_store, file_keepalive).

api-endpoint-scaffolder

Generate REST API endpoints with proper structure, validation, error handling, and types. Use when creating new API routes, endpoints, or backend services.

cb-security-hardening

Enforces Circuit Breaker security hardening conventions across backend, frontend, Docker, and nginx. Use when modifying authentication logic, security headers, Docker configuration, credential handling, session management, URL validation, WebSocket auth, or any code in core/security.py, core/rbac.py, middleware/security_headers.py, url_validation.py, docker-compose.yml, nginx.mono.conf, entrypoint-mono.sh, or supervisord.mono.conf.

add-tts-engine

Use this skill to add a new TTS engine to Voicebox. It walks through dependency research, backend implementation, frontend wiring, PyInstaller bundling, and frozen-build testing. Always start with Phase 0 (dependency audit) before writing any code.

AgentUp — Go Backend Generator

spring-ai-boot4-project-starter

Bootstrap and standardize Spring Boot 4.0.3 + Spring AI backend projects for new implementations. Use when Codex needs to initialize a project, set Maven dependencies/BOM, define package and module layout, configure environment profiles, or create baseline API/AI/database scaffolding.

cluster-manage

Manage Kurtosis cluster settings. Switch between Docker and Kubernetes backends, list available clusters, and configure which cluster Kurtosis uses. Use when you need to change where Kurtosis runs enclaves.

backend-fastapi-python

Use this skill for any Python backend work in this project: building FastAPI endpoints, writing service functions, defining Pydantic/SQLModel schemas, running Alembic migrations, or debugging 422 errors. Essential for authentication and authorization patterns — setting up get_current_user, is_superuser checks, admin-only guards, role-based access, and dependency injection chains like Depends(). Also covers middleware, background tasks, async SQLAlchemy sessions, ORM relationship loading, and request/response design. Activate whenever the question involves Python API code, FastAPI patterns, or backend architecture in this codebase. Not for frontend, Docker, CI/CD, or infrastructure.

omniwire

Control your entire server mesh from chat. Execute commands, transfer files, manage Docker, sync configs, and monitor all your nodes — VPS, Raspberry Pi, laptop, desktop — through one unified interface. 30 MCP tools. Works on any architecture (x64, ARM, Apple Silicon). SSH2 with compression, encrypted config sync, 1Password secrets backend. Just say what you need and your agent runs it across every machine.

Io.Github.Forge Space/Ui Mcp

Forge Space MCP server for UI and backend generation via stdio transport.

Backend Development Guidelines

MCP Feed Reader

RSS/Atom feed reader MCP server with SQLite backend

backend-dev

Backend development skill for Resume Matcher. Handles FastAPI endpoints, Pydantic schemas, TinyDB operations, LiteLLM integration, and Python service logic. Use when creating or modifying backend code.