azure-storage

Azure Storage Services including Blob Storage, File Shares, Queue Storage, Table Storage, and Data Lake. Provides object storage, SMB file shares, async messaging, NoSQL key-value, and big data analytics capabilities. Includes access tiers (hot, cool, archive) and lifecycle management. USE FOR: blob storage, file shares, queue storage, table storage, data lake, upload files, download blobs, storage accounts, access tiers, lifecycle management. DO NOT USE FOR: SQL databases, Cosmos DB (use azure-prepare), messaging with Event Hubs or Service Bus (use azure-messaging).

Install with Tessl CLI

npx tessl i github:microsoft/github-copilot-for-azure --skill azure-storage

What are skills?

1.08x

Review — 93%

Does it follow best practices?

Evaluation — 99%

↑ 1.08x

Agent success when using this skill

Validation — 11 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

15%

Product Image Archive Service

Production auth credential selection and Python blob SDK best practices

Criteria

Without context

With context

Correct blob package

100%

Identity package installed

100%

DefaultAzureCredential for dev

100%

ManagedIdentityCredential for production

100%

Environment-aware branch

70%

100%

No hardcoded credentials

100%

overwrite=True on upload

100%

Content type set

100%

Memory-efficient download

83%

100%

BlobServiceClient constructor

100%

Correct import structure

100%

Without context: $0.2237 · 1m · 17 turns · 24 in / 3,242 out tokens

With context: $0.4714 · 1m 22s · 26 turns · 614 in / 4,499 out tokens

98%

10%

Order Processing Queue Worker

TypeScript queue worker with poison message handling and visibility management

Criteria

Without context

With context

Correct queue package

100%

Identity package installed

100%

DefaultAzureCredential used

100%

No hardcoded credentials

100%

Batch receive

100%

JSON parsing

100%

Delete after processing

100%

dequeueCount check

100%

Dead-letter routing

100%

Visibility timeout set

100%

QueueServiceClient or QueueClient usage

100%

Message content serialization

33%

66%

Without context: $0.2886 · 1m 36s · 15 turns · 21 in / 5,833 out tokens

With context: $0.3172 · 1m 11s · 18 turns · 21 in / 3,763 out tokens

100%

IoT Sensor Telemetry Storage Backend

Azure Table Storage partition key design and Data Lake large-file upload pattern

Criteria

Without context

With context

Correct Tables package

100%

Data Lake package

100%

Identity package installed

100%

Partition key for building

100%

Batch/transaction operations

100%

upsert_entity for idempotent writes

100%

Parameterized query filter

100%

Data Lake append_data

100%

flush_data after append

100%

DefaultAzureCredential for dev

100%

DataLakeServiceClient endpoint

100%

TableClient construction

100%

Without context: $0.2851 · 1m 19s · 16 turns · 21 in / 4,536 out tokens

With context: $0.6411 · 1m 49s · 31 turns · 1,098 in / 6,446 out tokens

Evaluated: 2 days ago
Agent: Claude Code
Model: Unknown

Table of Contents

Product Image Archive Service Order Processing Queue Worker IoT Sensor Telemetry Storage Backend

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