bio-clinical-databases-dbsnp-queries

bio-clinical-databases-dbsnp-queries is a skill for Claude Code, Codex from PKU-YuanGroup/OpenAI4S. It costs 79 tokens per session (5,467 once invoked), scanned A, a copy of bio-clinical-databases-dbsnp-queries, MIT.

A variant-identifier conversion and lookup tool for dbSNP, a public database that assigns identifiers such as rsIDs to genetic changes. It follows identifier merges and converts among common formats such as HGVS, SPDI, and VCF.

In plain words
What is it for?
Use it to resolve rsIDs, track deprecated identifiers, calculate canonical SPDI representations, and convert variants between rsID, HGVS, and VCF formats.
Why use it?
The same genetic change may appear under different names, and older rsIDs can be merged into newer ones. Normalizing these identifiers prevents missed matches when joining databases or analysing variant files.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to resolve rsIDs, track deprecated identifiers, calculate canonical SPDI representations, and convert variants between rsID, HGVS, and VCF formats.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add PKU-YuanGroup/OpenAI4S --skill bio-clinical-databases-dbsnp-queries
Clone the repo
git clone --depth 1 https://github.com/PKU-YuanGroup/OpenAI4S

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bio-clinical-databases-dbsnp-queries

README.md
[![agentmods](https://agentmods.dev/badge/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries/github.svg)](https://agentmods.dev/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries)
Your own site
<a href="https://agentmods.dev/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries"><img src="https://agentmods.dev/badge/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for bio-clinical-databases-dbsnp-queries

Your own site · 80×15
<a href="https://agentmods.dev/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries"><img src="https://agentmods.dev/badge/skills/pku-yuangroup/openai4s/bio-clinical-databases-dbsnp-queries.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,467 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 95% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00079 $0.05467
Opus 5 $0.00039 $0.02733
Sonnet 5 $0.00016 $0.01093
Haiku 4.5 $0.00008 $0.00547

Measured 9d ago against content hash ef96fdaca79a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

bio-clinical-databases-dbsnp-queries scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/dbsnp_lookup.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- Python (direct): `requests.get(f'https://api.ncbi.nlm.nih.gov/variation/v0/refsnp/{rsid_int}')`
Origin

This is a copy

95% identical to bio-clinical-databases-dbsnp-queries — 12 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/bioskills/bio-clinical-databases-dbsnp-queries/SKILL.md · 345 lines

How it starts

The opening of the file, as written. The whole thing — 345 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Version Compatibility

Reference examples tested with: myvariant 1.0+, requests 2.31+, biopython 1.83+, Entrez Direct 21.0+. dbSNP Build 156 (September 2022) is the current schema; Build 151 (2017) was the last with relational SQL dumps. Builds 152-155 dual-released JSON+SQL; 156+ is JSON-only.

Before using code patterns, verify installed versions match. If versions differ:

  • Python: pip show <package> then help(module.function) to check signatures
  • CLI: <tool> --version then <tool> --help to confirm flags

If code throws ImportError, AttributeError, or TypeError, introspect the installed package and adapt the example to match the actual API rather than retrying. The Variation Services REST API uses path-based versioning (/variation/v0/); E-utilities db=snp returns thin legacy summaries missing build-156 schema fields.

dbSNP Queries and rsID Normalization

'Look up this rsID / normalize variant representations' -> Resolve rsIDs through merge chains, compute canonical SPDI, and convert between rsID, HGVS-g, HGVS-c, and VCF allele representations.

  • Python (aggregator): myvariant.MyVariantInfo().getvariant(rsid, fields=['dbsnp', 'clinvar', 'gnomad_exome'])
  • Python (direct): requests.get(f'https://api.ncbi.nlm.nih.gov/variation/v0/refsnp/{rsid_int}')
  • Python (E-utilities, legacy): Bio.Entrez.esearch(db='snp', term=rsid); returns thin summary
  • Bulk: ftp.ncbi.nlm.nih.gov/snp/latest_release/JSON/refsnp-chr{N}.json.bz2

rsID Is a Cluster Identifier, Not a Variant Identifier

This is the load-bearing concept. dbSNP cluster definition: ss records (submitted SNPs) are mapped to the genome and clustered into RefSNPs by position + variant type, not by allele. A single rsID can point to a locus with multiple alleles:

  • rs12345 may resolve to {A>G, A>T, A>C} at one position; the RefSNP JSON primary_snapshot_data.placements_with_allele[*].alleles enumerates them.
  • ~6-8% of dbSNP rsIDs are multi-allelic.
  • PLINK and many older tools historically misuse rsIDs as if they were variant identifiers, which fails for multi-allelic sites and yields wrong genotype assignments.

Read the full file on GitHub · 345 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 345 lines · 79 tokens per session scan A ef96fdaca79a

Subscribe to this mod's changes

bio-clinical-databases-dbsnp-queries is a skill published in the GitHub repository PKU-YuanGroup/OpenAI4S (407 stars, last pushed yesterday), licensed MIT. It adds 79 tokens to every session and 5,467 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 95% identical to bio-clinical-databases-dbsnp-queries, differing in 12 lines, and is treated as a copy.

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