zaoqu-liu/scienceclaw/biorxiv-search

Claude Code and agent skill by zaoqu-liu/scienceclaw

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Search bioRxiv biology preprints with natural language queries. Semantic search powered by Valyu.

Install

npx vskill@latest install zaoqu-liu/scienceclaw/biorxiv-search

SKILL.md

bioRxiv Search

Search the complete bioRxiv database of biological sciences preprints using natural language queries powered by Valyu's semantic search API.

Why This Skill is Powerful

  • No API Parameter Parsing: Just pass natural language queries directly - no need to construct complex search parameters
  • Semantic Search: Understands the meaning of your query, not just keyword matching
  • Full-Text Access: Returns complete article content, not just abstracts
  • Image Links: Includes figures and images from papers
  • Comprehensive Coverage: Access to all bioRxiv preprints in biological sciences

Requirements

  1. Node.js 18+ (uses built-in fetch)
  2. Valyu API key from https://platform.valyu.ai ($10 free credits)

CRITICAL: Script Path Resolution

The scripts/search commands in this documentation are relative to this skill's installation directory.

Before running any command, locate the script using:

bash
BIORXIV_SCRIPT=$(find ~/.claude/plugins/cache -name "search" -path "*/biorxiv-search/*/scripts/*" -type f 2>/dev/null | head -1)

Then use the full path for all commands:

bash
$BIORXIV_SCRIPT "CRISPR gene editing" 15

API Key Setup Flow

When you run a search and receive "setup_required": true, follow this flow:

  1. Ask the user for their API key:

"To search bioRxiv, I need your Valyu API key. Get one free ($10 credits) at https://platform.valyu.ai"

  1. Once the user provides the key, run:

``bash scripts/search setup <api-key> ``

  1. Retry the original search.
Example Flow:
User: Search bioRxiv for CRISPR advances
→ Response: {"success": false, "setup_required": true, ...}
→ Claude asks: "Please provide your Valyu API key from https://platform.valyu.ai"
→ User: "val_abc123..."
→ Claude runs: scripts/search setup val_abc123...
→ Response: {"success": true, "type": "setup", ...}
→ Claude retries: scripts/search "CRISPR advances" 10
→ Success!

When to Use This Skill

  • Finding biology research not yet published in journals
  • Cross-disciplinary life sciences research
  • Rapid access to unpublished experimental data
  • Disease mechanism research
  • Evolutionary and developmental biology studies
  • Ecological research and conservation biology

Output Format

json
{
"success": true,
"type": "biorxiv_search",
"query": "CRISPR gene editing",
"result_count": 10,
"results": [
{
"title": "Article Title",
"url": "https://biorxiv.org/content/...",
"content": "Full article text with figures...",
"source": "biorxiv",
"relevance_score": 0.95,
"images": ["https://example.com/figure1.jpg"]
}
],
"cost": 0.025
}

Processing Results

With jq
bash
# Get article titles
scripts/search "query" 10 | jq -r '.results[].title'
# Get URLs
scripts/search "query" 10 | jq -r '.results[].url'
# Extract full content
scripts/search "query" 10 | jq -r '.results[].content'

Common Use Cases

Molecular Biology
bash
# Find recent molecular biology papers
scripts/search "protein-protein interaction networks" 50
Neuroscience
bash
# Search for neuroscience research
scripts/search "optogenetics in behavior studies" 20
Genomics
bash
# Find genomics papers
scripts/search "single cell RNA sequencing analysis" 15
Developmental Biology
bash
# Search for developmental biology papers
scripts/search "embryonic stem cell differentiation" 25

Error Handling

All commands return JSON with success field:

json
{
"success": false,
"error": "Error message"
}

Exit codes:

  • 0 - Success
  • 1 - Error (check JSON for details)

API Endpoint

  • Base URL: https://api.valyu.ai/v1
  • Endpoint: /search
  • Authentication: X-API-Key header

Architecture

scripts/
├── search # Bash wrapper
└── search.mjs # Node.js CLI

Direct API calls using Node.js built-in fetch(), zero external dependencies.

Adding to Your Project

If you're building an AI project and want to integrate bioRxiv Search directly into your application, use the Valyu SDK:

Python Integration
python
from valyu import Valyu
client = Valyu(api_key="your-api-key")
response = client.search(
query="your search query here",
included_sources=["valyu/valyu-biorxiv"],
max_results=20
)
for result in response["results"]:
print(f"Title: {result['title']}")
print(f"URL: {result['url']}")
print(f"Content: {result['content'][:500]}...")
TypeScript Integration
typescript
import { Valyu } from "valyu-js";
const client = new Valyu("your-api-key");
const response = await client.search({
query: "your search query here",
includedSources: ["valyu/valyu-biorxiv"],
maxResults: 20
});
response.results.forEach((result) => {
console.log(`Title: ${result.title}`);
console.log(`URL: ${result.url}`);
console.log(`Content: ${result.content.substring(0, 500)}...`);
});

See the Valyu docs for full integration examples and SDK reference.

Security

  • Security scanPassed, 95 of 100Pattern checks on the skill's files.
  • Model reviewPassed

Quality evaluation

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Source

Popularity

Repository stars
39
Repository forks
7
7-day trend score
18

Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 25 Mar 2026, 7 months ago.

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