Open Research KB

A local-first MCP server for building and querying PDF knowledge bases. It indexes PDFs into DuckDB and exposes evidence-grounded retrieval tools to separate corpus-backed answers from independent reasoning.

→ vecbase-labs/Open-Research-KB · listed on glama

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Glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configKB_MCP_CATALOG_PATH

configKB_MCP_DEFAULT_DB_NAME

configKB_MCP_DUCKDB_PATH

configKB_MCP_PDFINFO

configKB_MCP_PDFTOPPM

configKB_MCP_PDFTOTEXT

configKB_MCP_SMOKE_PDF— path-to-sample.pdf> npm run smoke:pdf

configKB_MCP_TESSERACT

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/vecbase-labs-open-research-kb-1j9nr2)](https://m8ven.ai/mcp/vecbase-labs-open-research-kb-1j9nr2)

commit: cdbb810b02b35494b33c975324776d021c4ba2d1

code hash: 2e8b1b741da19711faa5f5797e1eb645cf90cb2c3108074e2aa1eace24a8b2e8

verified: 7/6/2026, 10:37:11 AM

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