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ncbi-esearch

station__ncbi__ncbi-esearch external (needs EXECUTION_BACKEND_URL) ncbi pv-adjacent Constructa Configa

Search NCBI databases for UIDs matching a query.

Taxonomy

Linnaean classification joined from the algovigilance taxonomy index via the parent config's rank.

Rank	Value
domain	`Substrata`
kingdom	`Constructa`
phylum	`Configa`
class	`station-config`
order	`ncbi`
family	`mcp-tool-config`

Characteristics:

substrate: config
domain: pv
lifecycle: continuous
authority: read
compounding: producer
io: agent-request → tool-response

Input schema

datetype string — Date type for filtering (e.g., 'pdat' for publication date, 'edat' for Entrez date).
db stringrequired — Database to search (e.g., 'nucleotide', 'protein', 'gene', 'pubmed', 'clinvar', 'snp', 'taxonomy', 'omim').
maxdate string — Maximum date for date-range filtering (YYYY/MM/DD format).
mindate string — Minimum date for date-range filtering (YYYY/MM/DD format).
retmax integer — Maximum number of IDs to return (default 20).
retstart integer — Start index of the first record to return (default 0).
term stringrequired — Entrez text query.

Example call

POST /api/mcp
Content-Type: application/json

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "station__ncbi__ncbi-esearch",
    "arguments": {
      "db": "",
      "term": ""
    }
  }
}

How to invoke from a client

From any MCP-aware client, add https://algovigilance.com/api/mcp as an MCP server, then call this tool by name. From a raw HTTP client, send the JSON-RPC body above to /api/mcp.

Agent-friendly formats

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