# unpaywall-mcp

> unpaywall-mcp — dam2452-unpaywall-mcp. Use this tool when you need to access free-to-read versions of scholarly papers or find Open Access articles. It solves the problem of restricted access to academic research by providing a search functionality via the Unpaywall API, taking DOIs or article titles as input and returning available Open Access matches as output. Ideal for researchers, students, and academics looking to access scholarly content without subscription barriers.

Canonical page: https://skillsregistry.net/skills/dam2452-unpaywall-mcp  
JSON: https://api.skillsregistry.net/v1/skills/dam2452-unpaywall-mcp

## Description

Enables looking up free-to-read versions of scholarly papers by DOI and searching article titles for Open Access matches via the Unpaywall API.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **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/p90e5k9lrz)
- **Repository:** <https://github.com/dam2452/unpaywall-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": "dam2452-unpaywall-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dam2452-unpaywall-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dam2452-unpaywall-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