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implement-flet-extension

Implement a new Flet extension/control that wraps a third-party Flutter package end-to-end, including dependency selection, version pinning, compatibility checks, Python/Flutter integration, docs, examples, tests, and CI updates. Use when adding any flet_* package backed by an external pub.dev package.

72

Quality

90%

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SKILL.md
Quality
Evals
Security

Quality

Content

82%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.

An exceptionally dense, high-signal skill body: every section encodes project-specific rules (registration file paths, default-value matching, screenshot-test pitfalls) that Claude could not infer. The main gaps are un-commanded validation/gate steps and a single-file structure that is slightly long for inline delivery.

Suggestions

Add concrete commands to the Validation section (e.g., the exact pytest/integration-test invocation and a docs-build or crocodocs command) so the final verification steps are executable rather than directional.

Give the Third-Dependency Gate a concrete check procedure (e.g., how to inspect pub.dev maintenance/health and where license compatibility is verified) instead of listing criteria only.

Consider moving the Docs, Examples, Tests section into a references/ file (e.g., references/docs-and-tests.md) and keeping a one-line pointer in SKILL.md to reduce inline length while preserving the detail.

DimensionReasoningScore

Conciseness

Nearly every line carries repo-specific knowledge Claude cannot know (exact pyproject.toml registry locations, parseEnum call signature, default-value-matching rules, CI workflow list names). No padding or explanation of general Flet/Flutter concepts; the one rationale paragraph ("Without matching defaults, Dart receives null...") earns its place by explaining non-obvious project behavior. It does not fit the anchor below, which requires minor instances of over-explanation.

5 / 5

Actionability

The Integration Checklist and Docs sections are copy-paste concrete ("client/pubspec.yaml: add flet_<ext>: path: ...", exact Dart accessor calls, exact list placements in three places). However the dependency gate ("Confirm package health: maintenance activity, null-safety...") and Validation ("Run relevant Python and integration tests") give direction without commands or concrete checks — minor gaps against the fully-executable anchor.

4 / 5

Workflow Clarity

Clear sequence from dependency gate → classification → API mapping → Python/Flutter implementation → integration checklist → docs/tests → validation, and the animation-testing rule is an explicit checkpoint pattern. But validation steps are listed without commands or a fix-and-retry feedback loop ("run tests" with no 'if it fails, do X'), leaving minor validation gaps against the anchor with explicit feedback loops.

4 / 5

Progressive Disclosure

The body is well-organized into clear single-level sections with no nested references and no bundle files to mis-navigate. At ~100 lines with dense docs/test checklist detail, some content (e.g., the Docs/Examples/Tests section) could be split into a reference file, so it sits just below the ideal-structure anchor; the under-50-line exception does not apply.

4 / 5

Total

17

/

20

Passed

Description

92%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 strong description: third-person voice, concrete capability list, and an explicit 'Use when...' trigger clause tied to flet_* packages backed by pub.dev dependencies. Trigger coverage is good but could add a couple of natural synonyms.

DimensionReasoningScore

Specificity

The description lists multiple concrete actions — "dependency selection, version pinning, compatibility checks, Python/Flutter integration, docs, examples, tests, and CI updates" — comprehensively covering the skill's scope, matching the anchor for multiple specific concrete actions.

5 / 5

Completeness

It explicitly answers both what ("Implement a new Flet extension/control that wraps a third-party Flutter package end-to-end, including...") and when ("Use when adding any flet_* package backed by an external pub.dev package") with a concrete trigger phrase, matching the top anchor.

5 / 5

Trigger Term Quality

Good natural keywords ("Flet extension/control", "flet_* package", "third-party Flutter package", "pub.dev package") that a developer would say, but a few natural synonyms are missing (e.g., "Flutter widget", "wrap a pub package", "flet_ package" spelled out). Not clearly at the comprehensive-with-synonyms anchor.

4 / 5

Distinctiveness Conflict Risk

"Flet extension" + "external pub.dev package" is a clear niche with distinct triggers; no other skill in a general portfolio would claim this territory, so conflict risk is minimal.

5 / 5

Total

19

/

20

Passed

Validation

100%

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
flet-dev/flet
Reviewed

Table of Contents

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