RivetKit backend and Rivet Actor runtime guidance. Use for building, modifying, debugging, or testing Rivet Actors, registries, serverless/runner modes, deployment, or actor-based workflows.

Rocky Linux 8/9 web and application stack including Nginx, Apache httpd, PHP-FPM pool configuration, MariaDB administration, SSL/TLS with certbot, and reverse proxy patterns including WebSocket....

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Microscopy data management platform. Access images via Python, retrieve datasets, analyze pixels, manage ROIs/annotations, batch processing, for high-content screening and microscopy workflows.

Expert RabbitMQ administrator and developer specializing in message broker architecture, exchange patterns, clustering, high availability, and production monitoring. Use when designing message...

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Product types, sum types, semigroups, monoids, Eq, Ord, and building custom type class instances for domain modeling in TypeScript

Patterns for OrbStack Linux VMs and Docker on macOS. Covers orbctl/orb commands, machine lifecycle, cloud-init, networking, file sharing, and SSH access. Must use when working with OrbStack,...

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Expert guidance for ffuf web fuzzing during penetration testing, including authenticated fuzzing with raw requests, auto-calibration, and result analysis

Design MongoDB architectures with document modeling, indexing (ESR rule), sharding, aggregation pipelines, replica sets, and WiredTiger tuning.

Container and Kubernetes security assessment skill for Docker, Kubernetes, and container orchestration platforms. This skill should be used when scanning container images for vulnerabilities,...

Guide for authoring Convex components - isolated, reusable backend modules with their own schema and functions. Use when building reusable libraries, packaging Convex functionality for NPM,...

Implement canary deployment strategies to gradually roll out new versions to subset of users with automatic rollback based on metrics.

Route AI coding queries to local LLMs in air-gapped networks. Integrates Serena MCP for semantic code understanding. Use when working offline, with local models (Ollama, LM Studio, Jan,...

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Monitoring and observability strategy, implementation, and troubleshooting. Use for designing metrics/logs/traces systems, setting up Prometheus/Grafana/Loki, creating alerts and dashboards,...

Expert guide for setting up development environments including IDE configuration, tooling, dependencies, and developer onboarding. Use when bootstrapping new projects or standardizing team environments.

Install, configure, and use the Databricks CLI to manage workspaces and resources from the terminal or scripts. Covers installation (Homebrew, WinGet, curl, source), authentication (OAuth U2M and...

Expert in Cilium eBPF-based networking and security for Kubernetes. Use for CNI setup, network policies (L3/L4/L7), service mesh, Hubble observability, zero-trust security, and cluster-wide...