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Azure Relay Skill

azure-relay

Expert knowledge for Azure Relay development including troubleshooting, security, configuration, and integrations & coding patterns. Use when configuring Hybrid Connections, WCF relays, Entra ID/SAS auth, Private Link, or .NET/Node.js Relay clients, and other Azure Relay related development tasks...

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SKILL.md

Full skill instructions

Azure Relay Skill

This skill provides expert guidance for Azure Relay. Covers troubleshooting, security, configuration, and integrations & coding patterns. It combines local quick-reference content with remote documentation fetching capabilities.

How to Use This Skill

IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use read_file with the specified lines. For categories with file links (e.g., [security.md](security.md)), use read_file on the linked reference file

IMPORTANT for Agent: If metadata.generated_at is more than 3 months old, suggest the user pull the latest version from the repository. If mcp_microsoftdocs tools are not available, suggest the user install it: Installation Guide

This skill requires network access to fetch documentation content:

  • Preferred: Use mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.
  • Fallback: Use fetch_webpage with query string from=learn-agent-skill&accept=text/​markdown. Returns Markdown.

Category Index

CategoryLinesDescription
TroubleshootingL32-L36Diagnosing and fixing common Azure Relay exceptions, including connection, authentication, quota, and configuration errors, with guidance on causes and resolutions.
SecurityL37-L46Authentication and network security for Azure Relay: Entra ID and SAS auth, managed identities, IP firewall, virtual network rules, and Private Link Service configuration.
ConfigurationL47-L51Network and firewall requirements for Azure Relay, including which ports/​protocols to open for Hybrid Connections and WCF relays and how to configure them.
Integrations & Coding PatternsL52-L57Using Azure Relay Hybrid Connections from .NET and Node.js (WebSockets), plus low-level protocol details for implementing custom clients and integrations

Troubleshooting

TopicURL
Resolve common Azure Relay exceptionshttps://learn.microsoft.com/en-us/azure/azure-relay/relay-exceptions

Security

TopicURL
Authenticate applications to Azure Relay with Entra IDhttps://learn.microsoft.com/en-us/azure/azure-relay/authenticate-application
Use managed identities to access Azure Relayhttps://learn.microsoft.com/en-us/azure/azure-relay/authenticate-managed-identity
Configure IP firewall rules for Azure Relayhttps://learn.microsoft.com/en-us/azure/azure-relay/ip-firewall-virtual-networks
Configure network security for Azure Relayhttps://learn.microsoft.com/en-us/azure/azure-relay/network-security
Secure Azure Relay with Private Link Servicehttps://learn.microsoft.com/en-us/azure/azure-relay/private-link-service
Configure SAS and Entra ID auth for Azure Relayhttps://learn.microsoft.com/en-us/azure/azure-relay/relay-authentication-and-authorization

Configuration

TopicURL
Configure required port settings for Azure Relayhttps://learn.microsoft.com/en-us/azure/azure-relay/relay-port-settings

Integrations & Coding Patterns

TopicURL
Use Azure Relay Hybrid Connections .NET APIshttps://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-dotnet-api-overview
Use Azure Relay Node.js WebSocket APIshttps://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-node-ws-api-overview
Implement Azure Relay Hybrid Connections protocolhttps://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-protocol