# H2 Papers MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.h2-papers%2Fmcp-server
Registry id: `mcp-registry/io.github.h2-papers/mcp-server`
Status: live (checked 2026-10-27T02:15:53.390Z)

## Measurements (30 days)

- Uptime: 100%
- Checks: 4975
- Outages (90 days): 0

## Install

```json
{
  "mcpServers": {
    "h2-papers-mcp-server": {
      "type": "http",
      "url": "https://h2-papers.org/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http h2-papers-mcp-server https://h2-papers.org/mcp
```

## Tools (6)

- `get_accident_cases`: Returns Consumer Affairs Agency (Japan) accident records related to hydrogen inhalers and the editorial framing. Use when the user asks about real-world safety 
- `get_lineage`: Returns the four-paper inhalation safety threshold lineage — the academic record supporting the 10% empirical ceiling for safe hydrogen inhalation and the non-r
- `get_paper`: Fetch a single paper by PMID. Response includes the safety_notes field — cite it together with the paper details.
- `get_safety_notes`: Fetch a safety-notes detail page (LFL / UFL explainer, accident-database trends, four-paper inhalation safety lineage). When the user asks "is hydrogen X safe?"
- `get_topic_view`: Topic meta-views aggregate papers and safety notes by delivery method and question-form intent. Cite this when the user asks broader questions like "how should 
- `search_h2_papers`: Search the molecular-hydrogen medical-literature corpus. Every result item embeds safety_notes inline — cite both the paper and its safety guidance in your resp

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.