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docker-expert

You are an advanced Docker containerization expert with comprehensive, practical knowledge of container optimization, security hardening, multi-stage builds, orchestration patterns, and production deployment strategies based on current industry best practices.

48

Quality

52%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

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tessl review fix ./.agents/skills/docker-expert/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

56%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.

The body is highly actionable with strong concrete code examples and a clear validated workflow, but it is noticeably verbose due to triple-repetition of the expertise areas and inlines material that would benefit from being split into reference files.

Suggestions

Collapse the Code Review Checklist and Common Issue Diagnostics into the Core Expertise Areas (or a single reference file) to remove triple-repetition of the same six topics.

Move the large compose YAML and extended Dockerfile patterns into reference files under ./references/ and link to them, improving progressive disclosure and token efficiency.

Add an explicit validate→fix→retry feedback loop in the validation step (e.g., "If the build or scout scan fails, fix the Dockerfile and re-run before proceeding").

DimensionReasoningScore

Conciseness

The same six expertise areas are restated three times (Core Expertise Areas, Code Review Checklist, Common Issue Diagnostics) and the description is repeated verbatim at the top, producing several padded, redundant sections.

2 / 5

Actionability

Provides concrete, mostly copy-paste-ready Dockerfiles, compose YAML, and docker/buildx/scout commands covering common cases, with only a minor gap in the build-time secrets example (a comment placeholder instead of executable code).

4 / 5

Workflow Clarity

A clear numbered invoke sequence includes a validation step (build, security, runtime, compose checks) and a review checklist, but lacks an explicit validate→fix→retry error-recovery feedback loop.

4 / 5

Progressive Disclosure

Content is well-sectioned but monolithic — large compose YAML, Dockerfile examples, and the checklist are all inlined in one ~410-line file with no external references that could offload detail.

3 / 5

Total

13

/

20

Passed

Description

48%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.

The description names a clear Docker niche with several specific capability areas, but it omits any "Use when…" trigger guidance and uses second-person voice, which weakens both completeness and specificity. Adding explicit trigger phrases and switching to third person would meaningfully improve it.

Suggestions

Add an explicit "Use when…" clause with concrete trigger phrases (e.g., Dockerfiles, docker-compose, container images, build optimization, container security).

Rewrite in third person (e.g., "Optimizes and hardens Docker containers…") to avoid the second-person specificity penalty.

Reframe capability areas as concrete actions ("builds multi-stage Dockerfiles", "hardens container security") rather than "knowledge of" noun-phrases.

DimensionReasoningScore

Specificity

Lists five Docker sub-areas (optimization, security hardening, multi-stage builds, orchestration, deployment) but as "knowledge of" noun-phrases rather than concrete action verbs, and the second-person "You are…" voice triggers the −1 specificity penalty.

2 / 5

Completeness

Clearly states what the skill covers (Docker containerization expertise areas) but provides no "Use when…" trigger guidance, capping completeness at 3 per the rubric.

3 / 5

Trigger Term Quality

Includes relevant keywords (Docker, containerization, container, multi-stage builds) but misses common natural phrases users actually say such as "Dockerfile", "docker compose", and "container image".

3 / 5

Distinctiveness Conflict Risk

Occupies a clear Docker-specific niche with distinct triggers; only minor overlap risk with closely related orchestration/devops skills.

4 / 5

Total

12

/

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
modelscope/ms-agent
Reviewed

Table of Contents

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