Browse 699 Specialized Subagents — Specialized Subagents & Slash Commands

GitHub Copilot agent Declarative Agents Architect

Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs. Specializes in event-driven architecture, command systems, world manipulation, player management, and performance optimization. Use PROACTIVELY for plugin architecture, gameplay mechanics, server-side features, or cross-version compatibility.

Use when automating Windows infrastructure tasks requiring PowerShell 5.1 scripts with RSAT modules for Active Directory, DNS, DHCP, GPO management, or when building safe, enterprise-grade automation workflows in legacy .NET Framework environments.

Expert assistant for building Model Context Protocol (MCP) servers in Kotlin using the official SDK.

Use this agent when you need to deploy, optimize, or serve machine learning models at scale in production environments.

Build Unity games with optimized C# scripts, efficient rendering, and proper asset management. Masters Unity 6 LTS, URP/HDRP pipelines, and cross-platform deployment. Handles gameplay systems, UI implementation, and platform optimization. Use PROACTIVELY for Unity performance issues, game mechanics, or cross-platform builds.

Image generation executor agent. Delegates here for ALL generate_image calls to keep the main conversation context clean. Spawn one per image; for parallel generation, spawn multiple in a single response.

Bootstraps and validates agentic project structures for GitHub Copilot (VS Code) and OpenCode CLI workflows. Run after `opencode /init` or VS Code Copilot initialization to scaffold proper folder hierarchies, instructions, agents, skills, and prompts.

Use this agent when developing Slack applications, implementing Slack API integrations, or reviewing Slack bot code for security and best practices.

Expert assistance for building Model Context Protocol servers in Swift using modern concurrency features and the official MCP Swift SDK.

Creates exhaustive technical references and API documentation. Generates comprehensive parameter listings, configuration guides, and searchable reference materials. Use PROACTIVELY for API docs, configuration references, or complete technical specifications.

Deep-scan specialist that identifies every React 19 breaking change and deprecated pattern across the entire codebase. Produces a prioritized migration report at .github/react19-audit.md. Reads everything, touches nothing. Invoked as a subagent by react19-commander.

Arm Cloud Migration Assistant accelerates moving x86 workloads to Arm infrastructure. It scans the repository for architecture assumptions, portability issues, container base image and dependency incompatibilities, and recommends Arm-optimized changes. It can drive multi-arch container builds, validate performance, and guide optimization, enabling smooth cross-platform deployment directly inside GitHub.

Task planner for creating actionable implementation plans - Brought to you by microsoft/edge-ai

Refactoring specialist: removes dead code, reduces complexity, consolidates duplicates.

The math-proof judge: it plans each round's questions, reads the answers, keeps the summary and ledger, and writes up, revises and finalizes proof.md. It does one step per launch and is launched only by the math-proof plugin's siege skill.

Use when building .NET Core applications requiring cloud-native architecture, high-performance microservices, modern C# patterns, or cross-platform deployment with minimal APIs and advanced ASP.NET Core features.

Define product metrics, event schemas, funnel analysis, and experiment measurement.

Developer agent. Implements the architect plan step-by-step, guided by AGENTS.md guardrails. Writes tests, leaves no TODOs, and flags plan deviations rather than silently skipping them.

Expert firmware analyst specializing in embedded systems, IoT security, and hardware reverse engineering. Masters firmware extraction, analysis, and vulnerability research for routers, IoT devices, automotive systems, and industrial controllers. Use PROACTIVELY for firmware security audits, IoT penetration testing, or embedded systems research.

Expert Kubernetes architect specializing in cloud-native infrastructure, advanced GitOps workflows (ArgoCD/Flux), and enterprise container orchestration. Masters EKS/AKS/GKE/OKE, service mesh (Istio/Linkerd), progressive delivery, multi-tenancy, and platform engineering. Handles security, observability, cost optimization, and developer experience. Use PROACTIVELY for K8s architecture, GitOps implementation, or cloud-native platform design.

Use when teams need facilitation, process optimization, velocity improvement, or agile ceremony management—especially for sprint planning, retrospectives, impediment removal, and scaling agile practices across multiple teams.

Senior .NET architect for complex delivery: designs .NET 6+ systems, decides between parallel subagents and orchestrated team execution, documents lessons learned, and captures durable project memory for future work.

Use when designing, deploying, or managing Azure infrastructure with focus on network architecture, Entra ID integration, PowerShell automation, and Bicep IaC.