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Azure Kusto (Azure Skills) skill

Single-file Microsoft skill for querying Azure Data Explorer (Kusto) with KQL: query patterns, schema discovery and best practices.

in microsoft/azure-skills Data & analyticsCloud & DevOps
Our verdict Recommended with caveats

Official and correct, but one file of generic KQL patterns; the batch-search tip is the main addition over what a model already knows.

1/5 Depth expertise shipped Note Security Review before installing 0d Maintenance Updated today 569K Adoption installs OK License MIT, commercial OK

What the azure-kusto skill does

azure-kusto is a one-file skill (about 8.5 KB) for working with Azure Data Explorer. It describes a four-step workflow: discover clusters and databases in the subscription, explore the schema of the target tables, run KQL queries, then analyze the results. The body contains six query patterns with example KQL: basic retrieval with a time filter, aggregation with summarize and bin, time-series analysis with percentiles and render timechart, joins across tables, schema discovery through the kusto_table_schema_get tool, and a batch-search pattern for locating a table when several candidate clusters, databases or Log Analytics workspaces exist (check them all before saying 'not found'). It adds notes on common field names, how results are returned, KQL best practices (filter early, project only needed columns, use take for exploration) and a list of frequently used functions. It relies on the Azure MCP server's Kusto tools for execution and contains no scripts or reference files.

Good for

  • Exploring ADX or Log Analytics tables with an agent that has the Azure MCP server
  • Teams that want a nudge to inspect schema and search all candidate sources before concluding data is missing

Not for

  • Learning KQL in depth (it covers basics)
  • Non-Kusto analytics platforms

Depth 1/5

One 8.5 KB SKILL.md with example queries; no references, scripts or evals.

Dependencies and costs

  • Azure account or subscription
  • Azure CLI signed in with az login
  • Azure MCP Server (installed with the plugin; needs Node.js 18+ for npx)
  • An Azure Data Explorer cluster or Log Analytics workspace
  • Telemetry: The skill files contain no telemetry code. The Azure MCP Server that the plugin wires in has its own telemetry; the repo README says to disable it with AZURE_MCP_COLLECT_TELEMETRY=false.

Security review

Review before installing

A single-file skill with KQL query patterns for Azure Data Explorer. It runs queries against your clusters through Azure MCP tools or az rest using your signed-in Azure identity.

Worth knowing

  • Relies on a CLI or package we could not reviewQueries Azure Data Explorer through Azure MCP tools, with an 'az rest' fallback (line 185) to the cluster's Kusto query endpoint..github/plugins/azure-skills/skills/azure-kusto/SKILL.md:148

What we checked

The skill folder (1 files) on Oct 29, 2026. Not a full review: it relies on code outside the repository: Azure CLI (az) and the az extensions it installs on demand; not part of the files we have; Azure MCP Server, started by the plugin through npx; its configuration sits outside this skill folder.

NVIDIA SkillSpector static scan: 0 pattern hits. No SkillSpector hits; the skill is a single SKILL.md of KQL query patterns.

A review, not a certification. Skills change after we check them — read the files before installing.

License

MIT (declared in the SKILL.md frontmatter); the repo is a mirror synced from microsoft/GitHub-Copilot-for-Azure and has no top-level LICENSE file in our copy. Commercial use allowed under MIT.

Can it run unattended?

Not really. Interactive query assistance with no loop, stop conditions or state.

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FAQ

What is the azure-kusto skill?

A skill in Microsoft's Azure plugin for querying and analyzing Azure Data Explorer with KQL: discovering clusters and databases, exploring schema, running queries and interpreting results.

How do I install azure-kusto?

Install Microsoft's Azure plugin: /plugin install azure@claude-plugins-official in Claude Code, or add microsoft/azure-skills as a Codex marketplace. The Azure MCP server executes the Kusto tools.

Is azure-kusto worth installing if I know KQL?

Probably only for its workflow habits (schema first, batch-search candidate sources). The query patterns themselves are standard KQL.

azure-kusto vs azure-diagnostics?

azure-kusto is for ad-hoc analytics queries over ADX data. azure-diagnostics is a troubleshooting workflow for Azure services that includes KQL reference queries.

Sources: GitHub repository; install counts from skills.sh via Best Skills (CC BY 4.0). Review based on the published SKILL.md.