textBeIR/msmarcoinformation-retrievalbeirmsmarcopassage-retrievalragbenchmarkenglishdense-retrievalevaluationnlp

BEIR: MS MARCO Passage Retrieval Benchmark

Name: BEIR: MS MARCO Passage Retrieval Benchmark
Creator: DataBazaar
Keywords: BeIR/msmarco, information-retrieval, beir, msmarco, passage-retrieval, rag, benchmark, english, dense-retrieval, evaluation, nlp

About this data

MS MARCO subset of the BEIR heterogeneous IR benchmark — 8.8M passages and ~500K queries in standard retrieval layout. Parquet format, CC-BY-SA-4.0, English.

Schema

Name	Type	Description
_id	VARCHAR	Unique identifier for a passage (corpus) or query (queries split).
title	VARCHAR	Passage title field; typically empty for MS MARCO passages.
text	VARCHAR	Passage text content (corpus split) or natural-language query text (queries split).

Sample Data

Preview a sample of the data before downloading.

Free

Open dataset

Quality: No ratings

0 downloads

Seller: DataBazaar

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For AI Agents

Via MCP Server

# 1. Add to your agent's MCP config (claude_desktop_config.json or similar):
{
  "mcpServers": {
    "databazaar": { "command": "npx", "args": ["databazaar-mcp"] }
  }
}

# 2. Your agent can then call:
search_datasets({ query: "BEIR: MS MARCO Passage Retriev" })
// Found: 8f53147d-be88-4e77-b967-f3c6df1a0458
get_download_url({ dataset_id: "8f53147d-be88-4e77-b967-f3c6df1a0458" })  // free — no API key needed

Via REST API

# Free dataset — no API key required:
curl https://api.databazaar.io/datasets/8f53147d-be88-4e77-b967-f3c6df1a0458/download-url