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Expert knowledge for Azure Functions development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment.
Passed 7 of 13 test cases with the skill, and 10 of 13 without it.
1 fixed12 passed either way5 still failing7 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
A test case the skill fixed. Same model, same prompt, with and without the skill.
During local debugging of an Azure Function app, the host fails to start with error code AZFD0002. What does this code indicate?
| Checked | Without skill | With skill |
|---|---|---|
| identifies AZFD0002 as an invalid AzureWebJobsStorage value | Missed | Passed |
The instructions your model reads when the skill loads.
This skill provides expert guidance for Azure Functions. Covers troubleshooting, best practices, decision making, limits & quotas, security, configuration, integrations & coding patterns, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.
IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g.,
L35-L120), useread_filewith the specified lines. For categories with file links (e.g.,[security.md](security.md)), useread_fileon the linked reference file
IMPORTANT for Agent: If
metadata.generated_atis more than 3 months old, suggest the user pull the latest version from the repository. Ifmcp_microsoftdocstools are not available, suggest the user install it: Installation Guide
This skill requires network access to fetch documentation content:
mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.| Category | Lines | Description |
|---|---|---|
| Troubleshooting | L36-L72 | Diagnosing and fixing Azure Functions errors (AZFD/AZFW codes), storage and config issues, runtime/SDK/version problems, networking, and language-specific (Node.js/Python) failures. |
| Best Practices | L73-L89 | Guidance on performance, reliability, HttpClient usage, DI, idempotency, event processing, and language-specific (Node.js, .NET, Python) optimization best practices for Azure Functions |
| Decision Making | L90-L114 | Guidance on choosing Functions hosting/runtime options, cost and networking tradeoffs, and planning/migrating between plans, runtimes, and platforms (incl. AWS Lambda and Cosmos/Service Bus upgrades). |
| Limits & Quotas | L115-L122 | Scaling limits, concurrency settings, target-based trigger scaling, and language/runtime support lifecycles for Azure Functions. |
| Security | L123-L135 | Guides for securing Functions: encryption at rest, secure storage and keys, private access (VNet/private endpoints), managed identity for SQL, and App Service security features. |
| Configuration | L136-L181 | Configuring Azure Functions runtime, bindings, triggers, networking, monitoring, app settings, hosted skills, and language/runtime versions, including local development and OpenTelemetry setup. |
| Integrations & Coding Patterns | L182-L284 | Patterns and how-tos for wiring Functions to external systems (HTTP, storage, messaging, databases, AI/OpenAI, Dapr, MCP, SignalR/Web PubSub) via triggers, input/output bindings, and worker extensions. |
| Deployment | L285-L312 | Deploying Azure Functions: provisioning hosting (Bicep/ARM/Terraform/PowerShell), CI/CD (GitHub Actions, Azure Pipelines), slots, containers/Kubernetes, language‑specific builds, and rollback/migration. |
test cases passed, vs 10 / 13 without
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