NCBI E-utilities

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NCBI E-utilities — federated Entrez search/fetch across PubMed, Gene, Nucleotide, Protein, Taxonomy, ClinVar, dbSNP, OMIM, etc. Keyless.

6tools
0msauth
free tier50 calls/day

Tools

einfo

Database info.

Parameters
NameTypeDescription
dboptstring—
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esearchrequired: db, term

Search → uid list.

Parameters
NameTypeDescription
dbreqstring—
termreqstring—
retmaxoptnumber—
retstartoptnumber—
sortoptstring—
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esummaryrequired: db, ids

Summary records by uid.

Parameters
NameTypeDescription
dbreqstring—
idsreqarray—
retstartoptnumber—
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efetchrequired: db, ids

Full records.

Parameters
NameTypeDescription
dbreqstring—
idsreqarray—
rettypeoptstring—
retmodeoptstring—
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egqueryrequired: term

Global query.

Parameters
NameTypeDescription
termreqstring—
▶Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/ncbi-eutils/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/ncbi-eutils/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"einfo","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("einfo", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("ncbi e-utilities — federated entrez search/fetch across pubmed, gene, nucleotide, protein, taxonomy, clinvar, dbsnp, omim, etc");