Tool reference

The server registers seven MCP tools. Each page below documents a tool’s purpose, arguments, return shape, and the upstream service it talks to.

• query_rnacentral
• search_sequence
• map_rna_id
• export_sequences
• get_overlapping_ncrnas
• get_secondary_structure_svg
• get_rna_description

Tool summary

Tool	Purpose
query_rnacentral	Text/metadata search over RNAcentral with enriched results
search_sequence	Similarity search by raw RNA sequence
map_rna_id	Bidirectional mapping between URS IDs and external DB IDs
export_sequences	Bulk export of matching sequences (FASTA or Parquet)
get_overlapping_ncrnas	Find ncRNAs overlapping genomic coordinates or a gene
get_secondary_structure_svg	Retrieve the 2D structure diagram for a URS ID
get_rna_description	AI-generated literature summary for an RNA