# CrossRef MCP Server

> CrossRef MCP Server — smaboundless-crossref-mcp-server. Use this tool when you need to retrieve scholarly metadata from a vast repository of over 150 million records across all disciplines. It solves problems related to accessing and utilizing academic publication data without the need for an API key, streamlining research and citation processes. The CrossRef MCP Server takes search queries as input and returns relevant metadata as output, making it ideal for use cases requiring comprehensive and authoritative scholarly information.

Canonical page: https://skillsregistry.net/skills/smaboundless-crossref-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/smaboundless-crossref-mcp-server

## Description

Searches and retrieves scholarly metadata from the CrossRef REST API, covering over 150 million records across all disciplines, without requiring an API key.

## 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/jgje1se4db)
- **Repository:** <https://github.com/SMABoundless/crossref-mcp-server>

## 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": "smaboundless-crossref-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/smaboundless-crossref-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/smaboundless-crossref-mcp-server/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