# query_gene

> This script provides access to ESearch, ESummary, and EFetch functions for searching and retrieving gene information.

- Source: https://doutorai.pt/en/components/skills__query-gene
- Type: Skills
- Category: Scientific
- Downloads: 0
- Site: Doutor AI (https://doutorai.pt/en) - AI tools for small businesses

An open-source community component, curated and adapted by Doutor AI.

## What it does and how to use it

A **skill** that teaches Claude Code to do scientific tasks well. It is packaged knowledge the model uses whenever it is relevant.

1. Install the skill (command above).
2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
3. No commands to memorize: you talk in plain language and the skill does the rest.

## Install (Claude Code)

```bash
mkdir -p .claude/skills/query-gene && curl -fsSL https://doutorai.pt/data/lib/skills__query-gene.md -o .claude/skills/query-gene/SKILL.md
```

Paste this command into the terminal, in your project folder, and the component installs automatically.

## Content

```
#!/usr/bin/env python3
"""
Query NCBI Gene database using E-utilities.

This script provides access to ESearch, ESummary, and EFetch functions
for searching and retrieving gene information.
"""

import argparse
import json
import sys
import time
import urllib.parse
import urllib.request
from typing import Optional, Dict, List, Any
from xml.etree import ElementTree as ET


BASE_URL = "https://eutils.ncbi.nlm.nih.gov/entrez/eutils/"
DB = "gene"


def esearch(query: str, retmax: int = 20, api_key: Optional[str] = None) -> List[str]:
    """
    Search NCBI Gene database and return list of Gene ID

- 🔒 Full content on the Pro plan (€7.99/month) -
```

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Content by Doutor AI (https://doutorai.pt/en). When quoting, please cite the source: https://doutorai.pt/en/components/skills__query-gene