get_variant_info
Retrieve variant information from gnomAD databases to analyze genetic variations across populations and reference genomes.
Instructions
[gnomAD API] Retrieve variant information (v2/v3/v4) Args: dataset (str): gnomAD dataset ID (gnomad_r4/gnomad_r3/gnomad_r2_1) reference_genome (str): Reference genome (GRCh37 or GRCh38) variantId (str): Variant ID (e.g. 1-55051215-G-GA) Returns: dict: variant info
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| dataset | Yes | ||
| reference_genome | Yes | ||
| variantId | Yes |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Implementation Reference
- server.py:100-121 (handler)The get_variant_info function serves as the MCP tool handler. It is decorated with @mcp.tool() and uses the helper run_query_with_metadata to perform the data retrieval.
@mcp.tool() def get_variant_info( dataset: str, reference_genome: str, variantId: str ) -> dict: """ [gnomAD API] Retrieve variant information (v2/v3/v4) Args: dataset (str): gnomAD dataset ID (gnomad_r4/gnomad_r3/gnomad_r2_1) reference_genome (str): Reference genome (GRCh37 or GRCh38) variantId (str): Variant ID (e.g. 1-55051215-G-GA) Returns: dict: variant info """ variables = { 'dataset': dataset, 'reference_genome': reference_genome, 'variantId': variantId, } return run_query_with_metadata('variant', variables)