The request names "gtex-database" (GTEx, the Genotype-Tissue Expression resource), but none of the candidate products is GTEx or a GTEx database, so no source shows a direct match. The closest general-purpose options for querying a database are listed below, with the caveat that none is specific to GTEx data.

A question back: Do you mean the GTEx expression data portal or its downloadable datasets, and do you need a specific database engine or language such as Python or SQL?

1. 1

   Supabasesupabase.comverified and signed

   Provides a hosted Postgres database with instant APIs, and its action record lists tools to list tables and get a table's schema 111.

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   official:SDK · @supabase/supabase-jsCLI · supabasepackage · Supabaserepository · supabaseskill · supabase-postgres-best-practices+103 community tools built for it

   for agents: list_tables · get_table_schema · supabase-postgres-best-practices

2. 2

   MySQLmysql.comverified and signed

   A relational database system whose action record includes a tool that returns the list of tables in a database 313.

   WebsiteDocsGet started

   +235 community tools built for it

   for agents: database · db · get_tables

3. 3

   DuckDBduckdb.orgverified and signed

   An in-process analytical SQL database that can be deployed from edge devices to servers, suited to querying large tabular data files 616.

   WebsiteDocs

   +27 community tools built for it

   for agents: Database · createAndQueryDB · DuckDB

4. 4

   Neo4j Graph Intelligence Platformneo4j.comverified and signed

   A graph database platform for storing and querying connected data at scale, which may suit relationship-heavy biological datasets 515.

   WebsiteDocsPricingGet started

   +51 community tools built for it

   for agents: database · graph · neo4j