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plugin-creator

Scaffold Codex plugin packages with deterministic manifests, marketplace metadata, and traceability or evidence contracts for non-trivial adoption. Use when creating plugin roots or adopting existing skills into plugin ownership.

46

Quality

48%

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tessl review fix ./Plugins/plugin-factory/fixtures/budget-archive/2026-04-21/deferred-store/skills/scaffolding_templates/plugin-creator/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

37%Scale 1-3

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

This skill has reasonable structure and clear boundaries/constraints for plugin scaffolding, but it delegates nearly all actionable workflow content to reference files while the body remains largely declarative. The duplicated context-disposition line, overlapping sections (Failure mode, Anti-Patterns, Gotchas, Constraints), and lack of any inline workflow steps or concrete output examples weaken its standalone utility. The skill would benefit significantly from an inline workflow summary and a concrete output JSON example.

Suggestions

Add an inline summary of the scaffold workflow steps (even 4-5 numbered steps) with validation checkpoints, rather than fully deferring to references/workflow.md — this is critical for workflow clarity.

Include a concrete JSON example of the expected output structure (schema_version, plugin_name, validation, factory_governance) rather than describing it in prose.

Remove the duplicated context-disposition policy paragraph and consolidate overlapping sections (Anti-Patterns, Gotchas, Failure mode, Constraints) to reduce redundancy.

Add at least one complete before/after example showing a minimal plugin scaffold directory structure and its plugin.json manifest content.

DimensionReasoningScore

Conciseness

The skill has some unnecessary verbosity — the context-disposition policy line is duplicated verbatim, the 'Remember' section restates what's already implied, and several sections (Gotchas, Anti-Patterns, Failure mode) overlap significantly. However, it mostly avoids explaining concepts Claude already knows and stays focused on plugin-specific guidance.

2 / 3

Actionability

The skill provides concrete examples of user requests and a validation script with executable bash commands, but the core workflow is delegated entirely to `references/workflow.md` (not provided). The main body lacks executable scaffold commands or code — it describes what to do rather than showing how. The output schema is described in prose rather than as a concrete JSON example.

2 / 3

Workflow Clarity

The multi-step scaffold process is entirely deferred to `references/workflow.md` with no inline summary of the sequence. The main body has no numbered steps, no validation checkpoints within the workflow, and no feedback loops. The validation section exists but is disconnected from any workflow sequence. For a skill involving file creation, moves, and manifest generation, this is insufficient.

1 / 3

Progressive Disclosure

References are clearly listed and mostly one level deep with well-signaled links. However, without bundle files provided, we cannot verify the references exist. The 'Read when' section is a good pattern for navigation. The main weakness is that too much critical workflow content appears to be in references with almost nothing actionable remaining in the body itself, making the skill hollow without its references.

2 / 3

Total

7

/

12

Passed

Description

59%Scale 1-3

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

The description has good structural completeness with an explicit 'Use when...' clause and occupies a clearly distinct niche. However, it suffers from heavy jargon and buzzword-laden language ('deterministic manifests', 'evidence contracts for non-trivial adoption') that obscures what the skill actually does in practical terms and makes it unlikely to match natural user queries.

Suggestions

Replace jargon like 'deterministic manifests' and 'evidence contracts for non-trivial adoption' with plain-language descriptions of what these artifacts actually are (e.g., 'version-locked manifest files', 'audit trail documentation').

Add natural trigger terms users would actually say, such as 'create plugin', 'new Codex plugin', 'plugin boilerplate', 'plugin template', or 'package setup'.

DimensionReasoningScore

Specificity

It names a domain (Codex plugin packages) and some actions (scaffold, create manifests, marketplace metadata, traceability contracts), but the language is heavy on jargon ('deterministic manifests', 'evidence contracts for non-trivial adoption') rather than concrete, easily understood actions. It's not as vague as a 1, but not as clear and enumerated as a 3.

2 / 3

Completeness

It explicitly answers both 'what' (scaffold Codex plugin packages with manifests, metadata, and contracts) and 'when' ('Use when creating plugin roots or adopting existing skills into plugin ownership'). The 'Use when...' clause is present and provides explicit trigger guidance.

3 / 3

Trigger Term Quality

The keywords used ('deterministic manifests', 'traceability or evidence contracts', 'non-trivial adoption', 'plugin roots') are highly specialized jargon that users would almost never naturally say. Common terms like 'plugin', 'scaffold', or 'package' are present but buried among obscure terminology that reduces discoverability.

1 / 3

Distinctiveness Conflict Risk

The description is highly specific to Codex plugin scaffolding with marketplace metadata and evidence contracts, which is a very narrow niche. It is unlikely to conflict with other skills due to its specialized domain.

3 / 3

Total

9

/

12

Passed

Validation

90%

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

Validation10 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

Total

10

/

11

Passed

Repository
jscraik/Agent-Skills
Reviewed

Table of Contents

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