# Open Research KB

> Open Research KB — vecbase-labs-open-research-kb. Use this tool when you need to build and query knowledge bases from PDF documents, and separate fact-based answers from independent reasoning. It indexes PDFs into a database and provides evidence-grounded retrieval tools for accurate information retrieval. Ideal for research and knowledge management tasks that require reliable and trustworthy information extraction from large PDF corpora.

Canonical page: https://skillsregistry.net/skills/vecbase-labs-open-research-kb  
JSON: https://api.skillsregistry.net/v1/skills/vecbase-labs-open-research-kb

## Description

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.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/wkjzz8bwju)
- **Repository:** <https://github.com/vecbase-labs/OpenShelf>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "vecbase-labs-open-research-kb"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/vecbase-labs-open-research-kb` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/vecbase-labs-open-research-kb/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt