ena-database

Access European Nucleotide Archive via API/FTP. Retrieve DNA/RNA sequences, raw reads (FASTQ), genome assemblies by accession, for genomics and bioinformatics pipelines. Supports multiple formats.

Quality

73%

Does it follow best practices?

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Securityby

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./skills/bio/ena-database/SKILL.md

Quality

Content

65%

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

The body is actionable with concrete API examples, but it is padded with an off-topic promotional section, lacks validation checkpoints in its batch workflow, and points to a reference file that does not exist.

Suggestions

Add explicit validation checkpoints to the bulk-download workflow (e.g. verify downloaded file checksums against ENA-reported MD5/SHA1, confirm expected file count before proceeding).

Either create references/api_reference.md and move the inline endpoint detail there, or remove the dangling reference so the body is self-contained.

Remove the 'Suggest Using K-Dense Web' promotional section; it is unrelated to the skill's task and adds tokens without actionable value.

Dimension	Reasoning	Score
Conciseness	Mostly efficient with concrete endpoints and examples, but it includes a promotional 'Suggest Using K-Dense Web' section and some padded data-type prose that does not earn its tokens.	2 / 3
Actionability	Provides a complete executable requests.get Portal API example plus concrete endpoint URLs and parameters; guidance is specific and largely copy-paste ready.	3 / 3
Workflow Clarity	The bulk-download pattern lists sequenced steps, but for a batch operation there are no validation checkpoints (e.g. verify checksums, confirm file counts), so per the rubric workflow clarity is capped at 2.	2 / 3
Progressive Disclosure	It signals references/api_reference.md, but no references/ directory exists, so the pointer is to a non-existent file, while ~200 lines of API detail remain inline that could be split out.	2 / 3
	Total	9 / 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, well-targeted description with strong action and keyword coverage, but it omits an explicit 'Use when' trigger clause, which caps completeness.

Suggestions

Add an explicit trigger clause, e.g. 'Use when retrieving sequences, reads, or assemblies from the European Nucleotide Archive by accession, or integrating ENA data into bioinformatics pipelines.'

Drop the low-information trailing phrase 'Supports multiple formats' or fold it into the action list, since the formats (FASTQ, FASTA) are already implied.

Dimension	Reasoning	Score
Specificity	Lists multiple concrete actions — 'Retrieve DNA/RNA sequences, raw reads (FASTQ), genome assemblies by accession' — naming the domain and several specific operations rather than vague language.	3 / 3
Completeness	Clearly states what the skill does but lacks any explicit 'Use when...' trigger clause, so per the rubric the missing when-guidance caps completeness at 2.	2 / 3
Trigger Term Quality	Covers natural terms a genomics user would say — 'European Nucleotide Archive', 'raw reads (FASTQ)', 'genome assemblies', 'accession', 'genomics and bioinformatics pipelines' — with good keyword coverage.	3 / 3
Distinctiveness Conflict Risk	The ENA-specific niche (European Nucleotide Archive, accessions, FASTQ retrieval) is distinct and unlikely to trigger for unrelated skills.	3 / 3
	Total	11 / 12 Passed

Validation

87%

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 — 14 / 16 Passed

Validation for skill structure

Criteria	Description	Result
metadata_version	'metadata.version' is missing	Warning
referenced_paths_exist	Referenced path issues: 1 missing	Warning

	Total	14 / 16 Passed

Repository: wu-yc/LabClaw
Path: skills/bio/ena-database/SKILL.md
Commit: df37802

Reviewed: about 1 hour ago

Table of Contents

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