Backend & APIs skills

NestJS architecture patterns for modules, controllers, providers, DTO validation, guards, interceptors, config, and production-grade TypeScript backends.

Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.

Patrones de arquitectura Spring Boot, diseño de API REST, servicios en capas, acceso a datos, caché, procesamiento asíncrono y logging. Usar para trabajo de backend en Java con Spring Boot.

Patrones de pruebas E2E con Playwright, Page Object Model, configuración, integración CI/CD, gestión de artefactos y estrategias para pruebas inestables.

Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.

Buenas prácticas de Spring Security para autenticación/autorización, validación, CSRF, secretos, cabeceras, limitación de velocidad y seguridad de dependencias en servicios Java Spring Boot.

Buenas prácticas de seguridad en Quarkus para autenticación, autorización, JWT/OIDC, RBAC, validación de entrada, CSRF, gestión de secretos y seguridad de dependencias.

Desarrollo guiado por pruebas para Spring Boot usando JUnit 5, Mockito, MockMvc, Testcontainers y JaCoCo. Usar al agregar funcionalidades, corregir bugs o refactorizar.

Desarrollo guiado por pruebas para Quarkus 3.x LTS usando JUnit 5, Mockito, REST Assured, pruebas Camel y JaCoCo. Usar al agregar funcionalidades, corregir bugs o refactorizar servicios orientados a eventos.

Unified media generation via fal.ai MCP — image, video, and audio. Covers text-to-image (Nano Banana), text/image-to-video (Seedance, Kling, Veo 3), text-to-speech (CSM-1B), and video-to-audio (ThinkSound). Use when the user wants to generate images, videos, or audio with AI.

React 18/19 patterns including hooks discipline, server/client component boundaries, Suspense + error boundaries, form actions, data fetching, state management decision trees, and accessibility-first composition. Use when writing or reviewing React components.

Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps.

Usar este skill al escribir nuevas funcionalidades, corregir bugs o refactorizar código. Aplica el desarrollo guiado por pruebas con 80%+ de cobertura incluyendo pruebas unitarias, de integración y E2E.

X/Twitter API integration for posting tweets, threads, reading timelines, search, and analytics. Covers OAuth auth patterns, rate limits, and platform-native content posting. Use when the user wants to interact with X programmatically.

Build MCP servers with Node/TypeScript SDK — tools, resources, prompts, Zod validation, stdio vs Streamable HTTP. Use Context7 or official MCP docs for latest API.

FastAPI patterns for async APIs, dependency injection, Pydantic request and response models, OpenAPI docs, tests, security, and production readiness.

Patrones de arquitectura Quarkus 3.x LTS con Camel para mensajería, diseño de API RESTful, servicios CDI, acceso a datos con Panache y procesamiento asíncrono.

Neural search via Exa MCP for web, code, and company research. Use when the user needs web search, code examples, company intel, people lookup, or AI-powered deep research with Exa's neural search engine.

Usar este skill al agregar autenticación, manejar entradas de usuario, trabajar con secretos, crear endpoints de API o implementar funcionalidades de pago/sensibles. Proporciona lista de verificación y patrones de seguridad completos.

W&B: log ML experiments, sweeps, model registry, dashboards.

Himalaya CLI: IMAP/SMTP email from terminal.

Control Blender directly from Hermes via socket connection to the blender-mcp addon. Create 3D objects, materials, animations, and run arbitrary Blender Python (bpy) code. Use when user wants to create or modify anything in Blender.

Search/download GIFs from Tenor via curl + jq.

Serverless GPU cloud platform for running ML workloads. Use when you need on-demand GPU access without infrastructure management, deploying ML models as APIs, or running batch jobs with automatic scaling.

Give the agent its own dedicated email inbox via AgentMail. Send, receive, and manage email autonomously using agent-owned email addresses (e.g. [email protected]).

High-performance vector similarity search engine for RAG and semantic search. Use when building production RAG systems requiring fast nearest neighbor search, hybrid search with filtering, or scalable vector storage with Rust-powered performance.

Publish static sites to {slug}.here.now and store private files in cloud Drives for agent-to-agent handoff.

Create, triage, label, assign GitHub issues via gh or REST.

Notion API + ntn CLI: pages, databases, markdown, Workers.

Build, test, inspect, install, and deploy MCP servers with FastMCP in Python. Use when creating a new MCP server, wrapping an API or database as MCP tools, exposing resources or prompts, or preparing a FastMCP server for Claude Code, Cursor, or HTTP deployment.

Generate images, video, and audio with ComfyUI — install, launch, manage nodes/models, run workflows with parameter injection. Uses the official comfy-cli for lifecycle and direct REST/WebSocket API for execution.

Optimizes transformer attention with Flash Attention for 2-4x speedup and 10-20x memory reduction. Use when training/running transformers with long sequences (>512 tokens), encountering GPU memory issues with attention, or need faster inference. Supports PyTorch native SDPA, flash-attn library, H100 FP8, and sliding window attention.

Control a running TouchDesigner instance via twozero MCP — create operators, set parameters, wire connections, execute Python, build real-time visuals. 36 native tools.

vLLM: high-throughput LLM serving, OpenAI API, quantization.

Web scraping with Scrapling - HTTP fetching, stealth browser automation, Cloudflare bypass, and spider crawling via CLI and Python.

Host modded Minecraft servers (CurseForge, Modrinth).

SiYuan Note API for searching, reading, creating, and managing blocks and documents in a self-hosted knowledge base via curl.

X/Twitter via xurl CLI: post, search, DM, media, v2 API.

Shop catalog search, checkout, order tracking, returns.

Free meta-search via SearXNG — aggregates results from 70+ search engines. Self-hosted or use a public instance. No API key needed. Falls back automatically when the web search toolset is unavailable.

Plan mode: write an actionable markdown plan to .hermes/plans/, no execution. Bite-sized tasks, exact paths, complete code.

Delegate coding tasks to Blackbox AI CLI agent. Multi-model agent with built-in judge that runs tasks through multiple LLMs and picks the best result. Requires the blackbox CLI and a Blackbox AI API key.

Debug REST/GraphQL APIs: status codes, auth, schemas, repro.

Pay HTTP 402 APIs via Machine Payments Protocol (MPP).

Dark-themed SVG architecture/cloud/infra diagrams as HTML.

Canvas LMS integration — fetch enrolled courses and assignments using API token authentication.

ASCII art: pyfiglet, cowsay, boxes, image-to-ascii.

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Poll RSS, JSON APIs, and GitHub with watermark dedup.

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Operate the Antigravity CLI (agy): plugins, auth, sandbox.

Give Hermes phone capabilities without core tool changes. Provision and persist a Twilio number, send and receive SMS/MMS, make direct calls, and place AI-driven outbound calls through Bland.ai or Vapi.

Geocode, POIs, routes, timezones via OpenStreetMap/OSRM.

Iterative Python via live Jupyter kernel (hamelnb).

Simplest distributed training API. 4 lines to add distributed support to any PyTorch script. Unified API for DeepSpeed/FSDP/Megatron/DDP. Automatic device placement, mixed precision (FP16/BF16/FP8). Interactive config, single launch command. HuggingFace ecosystem standard.

OBLITERATUS: abliterate LLM refusals (diff-in-means).

Configure, extend, or contribute to Hermes Agent.

Control LLM output with regex and grammars, guarantee valid JSON/XML/code generation, enforce structured formats, and build multi-step workflows with Guidance - Microsoft Research's constrained generation framework

llama.cpp local GGUF inference + HF Hub model discovery.

Index a codebase with GitNexus and serve an interactive knowledge graph via web UI + Cloudflare tunnel.