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Access genomes, genes, and taxonomy data via NCBI Datasets v2 API
Passed 25 of 25 test cases with the skill, and 14 of 25 without it.
and 12 more in the full report
11 fixed14 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
Write a CLI command using the NCBI `datasets` executable to download gene data for NCBI Gene ID 7157.
| Checked | Without skill | With skill |
|---|---|---|
| The command runs datasets download gene gene-id for 7157. | Passed | Passed |
| The command includes the flag --include gene. | Missed | Passed |
The instructions your model reads when the skill loads.
NCBI Datasets is the modern API for accessing NCBI's genomic, gene, and taxonomic data — replacing older E-utilities for sequence data retrieval. It provides clean REST endpoints for genome assemblies, gene records, taxonomy trees, and sequence downloads. Covers all organisms in NCBI's databases including RefSeq and GenBank. Free, no authentication required.
https://api.ncbi.nlm.nih.gov/datasets/v2
# Search genome assemblies by organism
curl "https://api.ncbi.nlm.nih.gov/datasets/v2/genome/taxon/9606?page_size=5"
# Get assembly by accession
curl "https://api.ncbi.nlm.nih.gov/datasets/v2/genome/accession/GCF_000001405.40"
# Download genome package
curl -o genome.zip \
"https://api.ncbi.nlm.nih.gov/datasets/v2/genome/accession/GCF_000001405.40/download?\
include_annotation_type=GENOME_FASTA,GENOME_GFF"
# Search genes by symbol
curl "https://api.ncbi.nlm.nih.gov/datasets/v2/gene/symbol/TP53/taxon/human"
# Get gene by NCBI Gene ID
curl "https://api.ncbi.nlm.nih.gov/datasets/v2/gene/id/7157"
# Search genes by keyword
curl "https://api.ncbi.nlm.nih.gov/datasets/v2/gene/search?query=BRCA&taxon=9606&page_size=20"
test cases passed, vs 14 / 25 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.