Azure Relay Agent Skill

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. Not for Azure Service Bus (use azure-service-bus), Azure Event Hubs (use azure-event-hubs), Azure Web PubSub (use azure-web-pubsub), Azure Application Gateway (use azure-application-gateway).

1k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

681

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/MicrosoftDocs/Agent-Skills --skill azure-relay

The instruction itself

7 sections, as written by the author

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), 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

| Category | Lines | Description |

|----------|-------|-------------|

| Troubleshooting | L32-L36 | Diagnosing and fixing common Azure Relay exceptions, including connection, authentication, quota, and configuration errors, with guidance on causes and resolutions. |

| Security | L37-L46 | Authentication and network security for Azure Relay: Entra ID and SAS auth, managed identities, IP firewall, virtual network rules, and Private Link Service configuration. |

| Configuration | L47-L51 | Network 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 Patterns | L52-L57 | Using Azure Relay Hybrid Connections from .NET and Node.js (WebSockets), plus low-level protocol details for implementing custom clients and integrations |

Troubleshooting

| Topic | URL |

|-------|-----|

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

Security

| Topic | URL |

|-------|-----|

| Authenticate applications to Azure Relay with Entra ID | https://learn.microsoft.com/en-us/azure/azure-relay/authenticate-application |

| Use managed identities to access Azure Relay | https://learn.microsoft.com/en-us/azure/azure-relay/authenticate-managed-identity |

| Configure IP firewall rules for Azure Relay | https://learn.microsoft.com/en-us/azure/azure-relay/ip-firewall-virtual-networks |

| Configure network security for Azure Relay | https://learn.microsoft.com/en-us/azure/azure-relay/network-security |

| Secure Azure Relay with Private Link Service | https://learn.microsoft.com/en-us/azure/azure-relay/private-link-service |

| Configure SAS and Entra ID auth for Azure Relay | https://learn.microsoft.com/en-us/azure/azure-relay/relay-authentication-and-authorization |

Configuration

| Topic | URL |

|-------|-----|

| Configure required port settings for Azure Relay | https://learn.microsoft.com/en-us/azure/azure-relay/relay-port-settings |

Integrations & Coding Patterns

| Topic | URL |

|-------|-----|

| Use Azure Relay Hybrid Connections .NET APIs | https://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-dotnet-api-overview |

| Use Azure Relay Node.js WebSocket APIs | https://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-node-ws-api-overview |

| Implement Azure Relay Hybrid Connections protocol | https://learn.microsoft.com/en-us/azure/azure-relay/relay-hybrid-connections-protocol |

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17k tokens

How to use it

Copy the folder

Take microsoftdocs/azure-relay from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.