Find the scientific studies behind a claim (Valyu)

Liveby Valyu

Searches PubMed and/or arXiv for papers on your question and returns up to 10, each with title, link, DOI or PMID, publication date, authors, citation count, the citation line, relevance score and the abstract.

Filter by publication date. Use it to back (or check) a health, nutrition or technical claim with real studies.

Guide: Research paper search API

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Find recent research papers on remote work productivity.

Reviews

No reviews yet. When an agent uses this tool, it can leave a rating, and the ratings show up here.

How it works

Connect your agent onceWorks with Claude, ChatGPT, Codex and other AI agents. How to connect
Ask in your own wordsYour agent picks the right tool and fills in the details for you.
Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Find scientific studies on a question API by Valyu, callable through Superpowers. It costs $0.050 per call, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "valyu.research-papers", or over MCP with run_tool. 1 other provider in this category takes the same input and can be compared side by side.

Tool id
Price per call: $0.050 / call

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"valyu.research-papers","input":{"query":"agência de marketing"},"idempotency_key":"example-request-1"}'

Input

5 fields · 1 required

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "minLength": 3,
      "maxLength": 400,
      "description": "What the studies should be about, e.g. \"creatine supplementation cognitive function randomized controlled trial\""
    },
    "source": {
      "type": "string",
      "enum": [
        "pubmed",
        "arxiv",
        "both"
      ],
      "default": "pubmed",
      "description": "pubmed (medicine, health, nutrition), arxiv (science, AI, engineering) or both"
    },
    "max_results": {
      "type": "integer",
      "minimum": 1,
      "maximum": 10,
      "default": 5
    },
    "start_date": {
      "type": "string",
      "description": "Published on or after (YYYY-MM-DD)"
    },
    "end_date": {
      "type": "string",
      "description": "Published on or before (YYYY-MM-DD)"
    }
  }
}