# OpenPapers MCP

> OpenPapers MCP — kaago-openpapers-mcp. Use this tool when you need to search and retrieve scientific papers, metadata, and abstracts, or legally download Open Access PDFs. It solves problems related to accessing and organizing scientific literature by providing a local server for searching and downloading papers via OpenAlex, CrossRef, and Unpaywall APIs. It takes search queries as input and outputs relevant papers, metadata, and downloadable PDFs.

Canonical page: https://skillsregistry.net/skills/kaago-openpapers-mcp  
JSON: https://api.skillsregistry.net/v1/skills/kaago-openpapers-mcp

## Description

A local MCP server for searching scientific papers, retrieving metadata and abstracts, and legally downloading Open Access PDFs via OpenAlex, CrossRef, and Unpaywall APIs.

## Trust

- **Trust score (0–1):** 0.66
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/opxeukb8xf)
- **Repository:** <https://github.com/Kaago/openpapers-mcp>

## 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": "kaago-openpapers-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/kaago-openpapers-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/kaago-openpapers-mcp/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