MCP server exposing 2 tools for expression-atlas.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/expression-atlas/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}search_experiments — Search EBI Expression Atlas — ~4,500 curated gene/protein expression experiments (baseline & differential) across species, tissues, and conditions. Filter by keyword (matches description/experimental factors), species (e.g. "Homo sapiens", "Mus musculus"), and/or type ("Baseline" or "Differential"). Returns accession, description, species, type, assay count, and factors. Keyless. Complements UniProt/Ensembl.get_experiment — Get metadata for a single EBI Expression Atlas experiment by accession (e.g. "E-MTAB-4045"). Returns accession, description, species, type, assay count, and experimental factors.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/expression-atlas/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io