Azure Signalr Service Agent Skill

Expert knowledge for Azure SignalR Service development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when configuring SignalR modes, upstreams, private endpoints, autoscale, multi-region topologies, or Event Grid integration, and other Azure SignalR Service related development tasks. Not for Azure Web PubSub (use azure-web-pubsub), Azure Service Bus (use azure-service-bus), Azure Event Hubs (use azure-event-hubs).

3k 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-signalr-service

The instruction itself

12 sections, as written by the author

Azure SignalR Service Skill

This skill provides expert guidance for Azure SignalR Service. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. 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 | L37-L45 | Diagnosing and fixing SignalR issues: connectivity and message delivery problems, live trace and Azure Monitor logs, common error patterns, and best practices for reliable operation. |

| Best Practices | L46-L51 | Guidance on safely shutting down SignalR app servers and managing client lifecycle events, including detecting, handling, and recovering from client disconnects and reconnects. |

| Decision Making | L52-L56 | Guidance on choosing the right SignalR Service mode (Default/Serverless/Classic) and configuring availability zones/zone redundancy for high availability and resilience. |

| Architecture & Design Patterns | L57-L63 | Patterns for scaling and sharding SignalR, designing resilient multi-region topologies, and architecting high-availability, high-throughput ASP.NET Core SignalR apps with Azure SignalR. |

| Limits & Quotas | L64-L70 | Message/connection billing rules, capacity planning, throughput limits, and how to scale Azure SignalR instances within quota and performance constraints. |

| Security | L71-L92 | Securing Azure SignalR: auth with Entra ID/managed identities, keys and rotation, network/private endpoints/NSGs, WAF, Key Vault access, RBAC, cross-tenant, and Azure Policy compliance. |

| Configuration | L93-L104 | Configuring SignalR apps: connection strings, upstream endpoints, custom domains, monitoring/metrics, negotiation endpoints, Functions bindings, and using the local emulator. |

| Integrations & Coding Patterns | L105-L120 | Patterns and APIs for integrating SignalR with servers and gateways: SDK usage, client management, REST data-plane versions, and wiring events through Event Grid, API Management, and Application Gateway. |

| Deployment | L121-L131 | Deploying and managing Azure SignalR via CLI, ARM/Bicep templates, autoscale setup, regional moves, and end-to-end web app deployment (incl. GitHub auth) |

Troubleshooting

| Topic | URL |

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

| Use Azure Monitor resource logs to troubleshoot SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-diagnostic-logs |

| Troubleshoot common Azure SignalR Service issues | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-troubleshoot-guide |

| Use the Azure SignalR live trace tool for diagnostics | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-troubleshoot-live-trace |

| Troubleshoot SignalR connectivity and message delivery | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-troubleshoot-method |

| Troubleshoot and use Azure SignalR Service effectively | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-resource-faq |

Best Practices

| Topic | URL |

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

| Gracefully shut down Azure SignalR app servers | https://learn.microsoft.com/en-us/azure/azure-signalr/server-graceful-shutdown |

| Handle client disconnections and reconnections in Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-client-disconnections |

Decision Making

| Topic | URL |

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

| Choose the right Azure SignalR Service mode | https://learn.microsoft.com/en-us/azure/azure-signalr/concept-service-mode |

Architecture & Design Patterns

| Topic | URL |

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

| Design resilient multi-region Azure SignalR topologies | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-disaster-recovery |

| Scale ASP.NET Core SignalR apps using Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-scale-aspnet-core |

| Scale Azure SignalR with multiple instances and sharding | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-scale-multi-instances |

Limits & Quotas

| Topic | URL |

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

| Understand message and connection counting for SignalR billing | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-messages-and-connections |

| Plan Azure SignalR performance and capacity | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-performance |

| Scale Azure SignalR instances and understand scaling constraints | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-scale-signalr |

Security

| Topic | URL |

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

| Disable access key auth and enforce Entra ID for SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-disable-local-auth |

| Configure network access control for Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-network-access-control |

| Secure Azure SignalR with private endpoints | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-private-endpoints |

| Use Azure SignalR service tags in NSGs | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-service-tags |

| Secure SignalR outbound traffic via shared private endpoints | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-shared-private-endpoints |

| Access Key Vault privately from Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-shared-private-endpoints-key-vault |

| Use managed identities with Azure SignalR Service | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-use-managed-identity |

| Built-in Azure Policy definitions for Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/policy-reference |

| Apply Azure Policy regulatory compliance controls to SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/security-controls-policy |

| Implement custom authentication for Azure SignalR clients | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-authenticate-oauth |

| Authorize Azure SignalR access with Microsoft Entra ID RBAC | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-authorize-azure-active-directory |

| Authorize Azure SignalR with Microsoft Entra applications | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-authorize-application |

| Configure cross-tenant authorization for Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-authorize-cross-tenant |

| Authorize Azure SignalR with managed identities | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-authorize-managed-identity |

| Enforce Azure SignalR compliance with Azure Policy | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-azure-policy |

| Configure Azure SignalR Application Firewall rules | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-configure-application-firewall |

| Rotate Azure SignalR access keys securely | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-key-rotation |

| Authenticate Azure SignalR clients with Azure Functions bindings | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-tutorial-authenticate-azure-functions |

Configuration

| Topic | URL |

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

| Configure Azure SignalR Service connection strings in apps | https://learn.microsoft.com/en-us/azure/azure-signalr/concept-connection-string |

| Configure upstream endpoints and protocols in Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/concept-upstream |

| Configure custom domains for Azure SignalR Service | https://learn.microsoft.com/en-us/azure/azure-signalr/howto-custom-domain |

| Configure monitoring for Azure SignalR with Azure Monitor | https://learn.microsoft.com/en-us/azure/azure-signalr/monitor-signalr |

| Reference for Azure SignalR monitoring metrics and logs | https://learn.microsoft.com/en-us/azure/azure-signalr/monitor-signalr-reference |

| Customize client negotiation endpoints in Azure SignalR | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-client-negotiation |

| Develop and configure Azure Functions apps with SignalR bindings | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-serverless-development-config |

| Use Azure SignalR Local Emulator for serverless development | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-emulator |

Integrations & Coding Patterns

| Topic | URL |

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

| Integrate Azure SignalR Service events with Event Grid | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-concept-event-grid-integration |

| Integrate Azure SignalR events with Event Grid | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-event-grid-integration |

| Use Azure SignalR Service SDK from your app server | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-use |

| Manage Azure SignalR clients using the Management SDK | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-use-management-sdk |

| Use Azure SignalR with API Management | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-work-with-apim |

| Use Azure SignalR with Application Gateway | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-work-with-app-gateway |

| Use Azure SignalR REST API for server-to-client messaging | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-quickstart-rest-api |

| Use Azure SignalR data-plane REST APIs | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-reference-data-plane-rest-api |

| Integrate with Azure SignalR REST API v1 | https://learn.microsoft.com/en-us/azure/azure-signalr/swagger/signalr-data-plane-rest-v1 |

| Integrate with Azure SignalR REST API v1-preview | https://learn.microsoft.com/en-us/azure/azure-signalr/swagger/signalr-data-plane-rest-v1-preview |

| Integrate with Azure SignalR REST API v20220601 | https://learn.microsoft.com/en-us/azure/azure-signalr/swagger/signalr-data-plane-rest-v20220601 |

| Integrate with Azure SignalR REST API v20241201 | https://learn.microsoft.com/en-us/azure/azure-signalr/swagger/signalr-data-plane-rest-v20241201 |

Deployment

| Topic | URL |

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

| Create an Azure SignalR Service via Azure CLI script | https://learn.microsoft.com/en-us/azure/azure-signalr/scripts/signalr-cli-create-service |

| Provision SignalR Service with App Service using Azure CLI | https://learn.microsoft.com/en-us/azure/azure-signalr/scripts/signalr-cli-create-with-app-service |

| Deploy SignalR web app with GitHub authentication via CLI | https://learn.microsoft.com/en-us/azure/azure-signalr/scripts/signalr-cli-create-with-app-service-github-oauth |

| Move Azure SignalR resources across regions with ARM templates | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-move-across-regions |

| Configure autoscale for Azure SignalR Premium tier | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-howto-scale-autoscale |

| Deploy Azure SignalR Service using ARM templates | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-quickstart-azure-signalr-service-arm-template |

| Deploy Azure SignalR Service using Bicep templates | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-quickstart-azure-signalr-service-bicep |

| Azure CLI script samples for deploying SignalR Service | https://learn.microsoft.com/en-us/azure/azure-signalr/signalr-reference-cli |

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