# hve-core | Microsoft | Knowledge Base | Instagit A refined collection of Hypervelocity Engineering components (instructions, prompts, agents, and skills) to start your project off right, or upgrade your existing projects to get the most out of all Copilots GitHub Stars: 837 Repository: https://github.com/microsoft/hve-core --- ## Articles ### [How to Implement Subagent Delegation Patterns in Custom Agents for HVE Core](/microsoft/hve-core/implement-subagent-delegation-patterns-custom-agents) Learn to implement subagent delegation patterns in HVE core custom agents. Orchestrate specialized subagents for modular, maintainable workflows using runSubagent or task tools. - Tags: how-to-guide - Published: 2026-03-09 ### [Purpose of the .copilot-tracking Directory in HVE-Core AI-Assisted Workflows](/microsoft/hve-core/purpose-copilot-tracking-directory-ai-assisted-workflows) Discover the purpose of the .copilot-tracking directory in HVE-Core AI-assisted workflows. Learn how it maintains context for machine-generated artifacts without cluttering repository history. - Tags: how-to-guide - Published: 2026-03-09 ### [How to Validate AI Artifacts with JSON Schema Enforcement in HVE Core](/microsoft/hve-core/validate-ai-artifacts-json-schema-enforcement) Learn how to validate AI artifacts using JSON schema enforcement in HVE Core's automated PowerShell pipeline. Ensure data integrity and prevent build failures with strict validation. - Tags: how-to-guide - Published: 2026-03-09 ### [How the Four-Phase RPI Workflow Improves Code Quality in AI-Assisted Development](/microsoft/hve-core/four-phase-rpi-workflow-improve-code-quality) Discover how the four-phase RPI workflow (Research Plan Implement Review) boosts AI-assisted code quality by isolating context and requiring evidence to prevent hallucinations. Improve your development process today. - Tags: how-to-guide - Published: 2026-03-09 ### [Plugin Generation Pipeline from Collection Manifests in HVE Core](/microsoft/hve-core/plugin-generation-pipeline-collection-manifests) Discover the HVE Core plugin generation pipeline. Learn how it automates Copilot CLI plugin creation from collection manifests, filtering artifacts for polished, publishable directories. - Tags: how-to-guide - Published: 2026-03-09 ### [How to Create Custom Skills with Domain-Specific Knowledge Packages in HVE Core](/microsoft/hve-core/create-custom-skills-domain-specific-knowledge-packages) Learn to build custom skills in HVE Core by creating domain-specific knowledge packages. Discover the three-layer architecture for on-demand skill loading. - Tags: how-to-guide - Published: 2026-03-09 ### [Context Clearing Technique in RPI Workflows: A Complete Guide to LLM State Management](/microsoft/hve-core/context-clearing-technique-importance-rpi-workflows) Master the LLM context clearing technique in RPI workflows. Reset conversation history with `/clear` for unbiased agent performance. Essential for state management and accurate results. Learn more. - Tags: how-to-guide - Published: 2026-03-09 ### [How Prompts Differ from Agents in HVE Core: The Complete Artifact Type Guide](/microsoft/hve-core/how-prompts-differ-agents-artifact-types) Discover how prompts differ from agents in HVE Core. Learn about lightweight prompts for user intent and stateful agents for multi-step workflows in this artifact type guide. - Tags: deep-dive - Published: 2026-03-09 ### [Team Adoption and Governance of HVE Core: Phased Rollout and Governance Best Practices](/microsoft/hve-core/best-practices-team-adoption-governance-hve-core) Learn team adoption and governance best practices for HVE Core. Discover phased rollouts, naming conventions, contribution models, and key metrics for success. - Tags: best-practices - Published: 2026-03-09 ### [How to Set Up the CI/CD Pipeline with GitHub Actions for HVE Core](/microsoft/hve-core/setup-ci-cd-pipeline-github-actions-hve-core) Learn to set up the CI/CD pipeline with GitHub Actions for HVE Core. Discover how to build reusable validation jobs and enforce security best practices for your automation. - Tags: how-to-guide - Published: 2026-03-09 ### [Model Context Protocol (MCP) Server Configuration in HVE Core: A Complete Guide](/microsoft/hve-core/model-context-protocol-mcp-server-configuration) Learn how to configure Model Context Protocol MCP servers in HVE Core using mcpjson to proxy external services like GitHub and Azure DevOps. Get a complete guide for Copilot agents. - Tags: how-to-guide - Published: 2026-03-09 ### [How to Fork and Extend HVE Core While Maintaining Upstream Synchronization](/microsoft/hve-core/fork-extend-hve-core-maintain-upstream-synchronization) Learn to fork and extend HVE Core while keeping upstream synchronization. Customize agents and prompts, and set up a workflow to resolve conflicts and preserve changes. - Tags: how-to-guide - Published: 2026-03-09 ### [How JSON Schema Validation Enforces Quality for AI Artifacts in HVE Core](/microsoft/hve-core/json-schema-validation-enforce-quality-ai-artifacts) Learn how HVE Core uses JSON schema validation to enforce quality for AI artifacts, ensuring metadata contracts are met before publication or consumption. - Tags: how-to-guide - Published: 2026-03-09 ### [How Skills Work in HVE Core and When to Use Them Over Instructions](/microsoft/hve-core/how-skills-work-hve-core-use-over-instructions) Discover how HVE Core skills function as on-demand knowledge packages. Learn when to leverage skills over instructions for efficient domain-specific expertise. - Tags: deep-dive - Published: 2026-03-09 ### [How to Create and Manage Collections of AI Artifacts for Team Distribution](/microsoft/hve-core/create-manage-collections-ai-artifacts-team-distribution) Learn to create and manage AI artifact collections for team distribution using .collection.yml manifests and Validate-Collections.ps1. Streamline your AI asset sharing with hve-core. - Tags: how-to-guide - Published: 2026-03-09 ### [How to Configure Instruction Files for Copilot Behavior Customization in HVE Core](/microsoft/hve-core/configure-instruction-files-copilot-behavior-customization) Learn to customize Copilot behavior in HVE Core using instruction files. Configure `.instructions.md` files with YAML front-matter to define AI coding rules and generate plugin metadata. - Tags: how-to-guide - Published: 2026-03-09 ### [What Are the Four Tiers of AI Artifacts in HVE Core’s Architecture?](/microsoft/hve-core/four-tiers-ai-artifacts-architecture) Explore HVE Core's architecture and understand the four tiers of AI artifacts: Prompts, Agents, Instructions, and Skills. Learn how they form a delegation chain for Copilot customization. - Tags: architecture - Published: 2026-03-09 ### [How to Create Custom Agents with Tool Restrictions and Subagent Delegation in HVE Core](/microsoft/hve-core/create-custom-agents-tool-restrictions-subagent-delegation) Learn to create custom agents in HVE Core using tool restrictions and subagent delegation. Define agent behavior with YAML in .github/agents/ and specify tool access and delegation easily. - Tags: how-to-guide - Published: 2026-03-09 ### [Strict RPI vs rpi-agent in HVE Core: Architectural Differences and Usage Guide](/microsoft/hve-core/difference-between-strict-rpi-and-rpi-agent) Understand strict RPI vs rpi-agent in HVE Core. Learn how strict RPI uses isolated steps while rpi-agent automates the workflow for seamless execution. - Tags: architecture - Published: 2026-03-09 ### [How the RPI Workflow Prevents AI Hallucinations in HVE Core](/microsoft/hve-core/how-does-rpi-workflow-prevent-ai-hallucinations) Discover how HVE Core's RPI workflow prevents AI hallucinations. Learn how structured AI agents separate research and implementation for reliable results. - Tags: deep-dive - Published: 2026-03-09