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azure-storage-blob-rust

Azure Blob Storage SDK for Rust. Use for uploading, downloading, and managing blobs and containers.

Quality

73%

Does it follow best practices?

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SecuritybySnyk

Passed

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tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills/skills/azure-storage-blob-rust/SKILL.md

The canonical home for this skill is azure-storage-blob-rust in administrakt0r/AI-Agents-Safe-Coding-Skills

SKILL.md
Quality
Evals
Security

Quality

Content

61%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A well-organized, code-first reference that is immediately actionable for the core blob and container operations. Its weaknesses are padding (a filler 'When to Use' section and an unnecessary product gloss), and the complete absence of validation around destructive operations, which caps workflow clarity.

Suggestions

Remove the vacuous 'When to Use' section ("This skill is applicable to execute the workflow or actions described in the overview.") and the 'Microsoft's object storage solution for the cloud' gloss — both add tokens without actionable content.

Add validation around destructive operations: e.g., call get_properties before delete to confirm the target blob, and document the expected failure path when uploading with overwrite=false to an existing blob.

Merge the 'Best Practices' and 'RBAC Permissions' sections to eliminate the duplicated role/auth guidance, and add the missing tokio runtime setup the best practices reference.

DimensionReasoningScore

Conciseness

The body is code-focused and mostly efficient, but includes unnecessary material: the gloss "Microsoft's object storage solution for the cloud" (a concept Claude already knows), the vacuous 'When to Use' section ("This skill is applicable to execute the workflow or actions described in the overview."), and overlap between 'Best Practices' and 'RBAC Permissions' which both cover roles. This matches 'Mostly efficient but includes some unnecessary explanation or could be tightened' rather than the minor-trims-only profile of a 4.

3 / 5

Actionability

Concrete, mostly executable Rust snippets for every core operation plus install and env-var setup — 'cargo add azure_storage_blob azure_identity', full BlobClient construction, upload/download/properties/delete, container create and pager listing. Minor gaps keep it below 5: no tokio runtime setup despite the best practice telling the user to use it, and the operation snippets silently depend on the client built in the Authentication section.

4 / 5

Workflow Clarity

There is a rough sequence (install → env vars → auth → operations) organized by section, but no validation checkpoints anywhere: the destructive Delete Blob has no verification step, and upload with overwrite=false offers no guidance on handling the failure when the blob already exists. Per the judging guidelines, missing validation for destructive operations caps workflow_clarity at 3 even though the sections themselves are clear.

3 / 5

Progressive Disclosure

No bundle files exist, so this is a single-file skill — and at ~127 lines with clear headers (Installation, Authentication, Client Types, Core/Container Operations, Best Practices, RBAC, Reference Links) the content is appropriately placed inline with well-signaled external links (docs.rs, GitHub, crates.io). It fits 'Good structure; most content is appropriately placed' — a 5 would require the skill to be short enough that section organization alone fully suffices, which this slightly exceeds.

4 / 5

Total

14

/

20

Passed

Description

73%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A concise, third-person description that clearly identifies a distinct niche and pairs a clear 'what' with a 'Use for...' trigger clause. Its main weakness is specificity — only two of the listed actions are concrete, with 'managing blobs and containers' remaining generic.

DimensionReasoningScore

Specificity

The description names the domain clearly ("Azure Blob Storage SDK for Rust") and two concrete actions ("uploading, downloading"), but "managing blobs and containers" is generic, leaving coverage of actual operations (listing, properties, auth) unspecified. This matches the anchor 'Names domain and 1-2 concrete actions, but not comprehensive'; it falls short of 4 because only two actions are concrete and the third is vague.

3 / 5

Completeness

Both parts are present: what ("Azure Blob Storage SDK for Rust") and when ("Use for uploading, downloading, and managing blobs and containers" — an explicit use clause equivalent to a trigger). The 'when' could be more explicit with user-cue phrasing (e.g., 'Use when the user mentions Azure blobs or needs Rust storage code'), so it fits anchor 4 rather than the fully concrete trigger phrases of a 5, and it is clearly above the weakly-implied-when of a 3.

4 / 5

Trigger Term Quality

Natural terms users would say are present: "Azure Blob Storage", "Rust", "uploading", "downloading", "blobs", "containers". A few common variations are missing (e.g., "object storage", "Azure Storage", file/URL patterns), matching 'Good keyword coverage; a few natural terms missing' rather than the comprehensive synonym coverage of a 5.

4 / 5

Distinctiveness Conflict Risk

The combination of Azure Blob Storage and Rust is a clear, narrow niche with distinct trigger terms; only a closely related Azure SDK skill could conceivably overlap. This matches 'Clear niche with distinct triggers; minimal conflict risk'.

5 / 5

Total

16

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository

administrakt0r/AI-Agents-Safe-Coding-Skills

Path

plugins/AI-Agents-Safe-Coding-Skills/skills/azure-storage-blob-rust/SKILL.md

Reviewed

Table of Contents

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