swift-protocol-di-testing

Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.

Quality

—

Does it follow best practices?

Impact

—

No eval scenarios have been run

Securityby

Passed

No known issues

Quality

Content

77%

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

A highly actionable, well-sequenced skill body with real Swift examples, slightly weakened by redundant When-to sections and a fully inline structure with no progressive disclosure.

Suggestions

Merge the duplicate "When to Activate" and "When to Use" sections into one to remove redundancy.

Reconcile the test example that calls manager.loadData() with the SyncManager code, which only defines sync().

Consider moving the extended protocol/default/mock code into a references/ file, keeping SKILL.md as a concise overview.

Dimension	Reasoning	Score
Conciseness	Mostly efficient with concrete code and no basic-concept padding, but the "When to Activate" and "When to Use" sections are near-duplicate bullet lists, adding redundancy.	2 / 3
Actionability	Provides complete, executable Swift — protocols, default implementations, mocks, actor injection, and Swift Testing tests — that is copy-paste ready.	3 / 3
Workflow Clarity	The Core Pattern is a clearly sequenced 5-step process (define protocols → defaults → mocks → inject → test); no destructive/batch operations require validation checkpoints.	3 / 3
Progressive Disclosure	Well-organized into clear sections, but at ~120 lines it is a single monolithic SKILL.md with no bundle files or one-level-deep references to offload detail.	2 / 3
	Total	10 / 12 Passed

Description

82%

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 specific, distinctive description with good natural trigger terms, but it omits an explicit "Use when..." clause so the activation condition is only implied.

Suggestions

Add an explicit trigger clause, e.g. "Use when writing Swift code that touches the file system, network, or external APIs and needs testable, mock-based tests."

Keep the concrete action list but pair it with the when-to-activate guidance already present in the body's "When to Activate" section.

Dimension	Reasoning	Score
Specificity	Lists multiple concrete actions — "mock file system, network, and external APIs using focused protocols and Swift Testing" — naming specific capabilities rather than abstract language.	3 / 3
Completeness	Clearly states what the skill does, but lacks a "Use when..." clause or equivalent explicit trigger guidance, which caps completeness at 2 per the rubric.	2 / 3
Trigger Term Quality	Covers natural terms a Swift developer would say — "testable Swift code", "mock file system, network", "dependency injection", "Swift Testing" — rather than obscure jargon.	3 / 3
Distinctiveness Conflict Risk	Targets a clear niche (Swift protocol-based DI for testing) with distinctive terms unlikely to trigger for unrelated skills.	3 / 3
	Total	11 / 12 Passed

Validation

93%

Warnings & errors only

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

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	15 / 16 Passed

Repository: affaan-m/ECC
Commit: 4130457

Reviewed: 1 day ago

Table of Contents

Discovery Implementation Validation

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