push-to-registry

Push Packer build metadata to HCP Packer registry for tracking and managing image lifecycle. Use when integrating Packer builds with HCP Packer for version control and governance.

1.15x

Quality

85%

Does it follow best practices?

Impact

96%

1.15x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Quality

Content

80%

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

A code-dense, executable skill body that gets the user building and pushing quickly, with strong actionability and good conciseness. Its weak spots are the lack of an explicit push-verification checkpoint and a monolithic single-file structure with no progressive disclosure to sub-files.

Suggestions

Add an explicit validation step after `packer build` (e.g., check the HCP console or run a `hcp`/Terraform data-source query) to confirm the new iteration was registered before declaring success.

Split the CI/CD and Querying-in-Terraform sections into separate reference files (e.g., CI-CD.md, TERRAFORM.md) and link to them from a concise overview to improve progressive disclosure.

Remove the duplicated bucket_labels/build_labels mini-examples in 'Registry Configuration Options' or consolidate them with the basic config block to tighten the redundant code.

Dimension	Reasoning	Score
Conciseness	The body is lean and assumes Claude's competence — code-first with short field explanations and no padding about what Packer or a registry is. The Note about free tier and <1 minute overhead earns its place as non-obvious context.	3 / 3
Actionability	Provides complete, copy-paste-ready artifacts: a full HCL template, auth env vars, a numbered service-principal setup, a GitHub Actions workflow, and a Terraform data-source example.	3 / 3
Workflow Clarity	The configure → authenticate → build sequence is present, but there are no explicit validation checkpoints confirming the metadata actually landed in the registry; troubleshooting is deferred to a Common Issues list rather than an inline verify step.	2 / 3
Progressive Disclosure	Content is organized into clear sections but everything lives inline in one ~200-line file with no bundle references (references/, scripts/, assets/ are absent), so CI/CD and Terraform-querying material that could be split out is not.	2 / 3
	Total	10 / 12 Passed

Description

90%

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 well-formed description with an explicit "Use when" trigger, clear niche, and natural terminology. It is slightly held back on specificity because it states one primary action plus a purpose rather than a list of distinct concrete actions.

Dimension	Reasoning	Score
Specificity	Names one concrete action ("Push Packer build metadata to HCP Packer registry") plus a purpose ("tracking and managing image lifecycle"), but does not enumerate multiple distinct concrete actions like the level-3 anchor does.	2 / 3
Completeness	Explicitly answers both what (push build metadata to HCP Packer registry) and when via a clear "Use when integrating Packer builds with HCP Packer" clause.	3 / 3
Trigger Term Quality	Covers natural terms a user would say — "Packer", "HCP Packer", "registry", "version control", "governance" — giving good coverage of the relevant vocabulary.	3 / 3
Distinctiveness Conflict Risk	The HCP Packer registry niche is specific with distinct triggers, making it unlikely to fire for unrelated skills.	3 / 3
	Total	11 / 12 Passed

Validation

100%

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 — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository: hashicorp/agent-skills
Commit: 957d5f9

Reviewed: 4 days ago

Table of Contents

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