# DECIMER MCP server

> Converts chemical structure images into SMILES strings using the DECIMER API.

- Repository: https://github.com/DocMinus/DecimerMCPServer
- Page: https://hostedmcp.org/servers/docminus/decimermcpserver
- Transport: stdio
- Stars: 0
- License: MIT
- Latest version: 0.1.4

## Install

### Claude Code

```sh
claude mcp add decimermcpserver -- uvx decimer-mcp-server
```

### Cursor (`~/.cursor/mcp.json`)

```json
{
  "mcpServers": {
    "decimermcpserver": {
      "command": "uvx",
      "args": [
        "decimer-mcp-server"
      ]
    }
  }
}
```

### VS Code (`.vscode/mcp.json`)

```json
{
  "servers": {
    "decimermcpserver": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "decimer-mcp-server"
      ]
    }
  }
}
```

### VS Code CLI

```sh
code --add-mcp '{"name":"decimermcpserver","type":"stdio","command":"uvx","args":["decimer-mcp-server"]}'
```

### Claude Desktop (`claude_desktop_config.json`)

```json
{
  "mcpServers": {
    "decimermcpserver": {
      "command": "uvx",
      "args": [
        "decimer-mcp-server"
      ]
    }
  }
}
```

### Codex

```sh
codex mcp add decimermcpserver -- uvx decimer-mcp-server
```

### Codex config.toml (`~/.codex/config.toml`)

```toml
[mcp_servers.decimermcpserver]
command = "uvx"
args = ["decimer-mcp-server"]
```

### Gemini CLI

```sh
gemini mcp add -s user decimermcpserver uvx -- decimer-mcp-server
```

### Gemini settings.json (`~/.gemini/settings.json`)

```json
{
  "mcpServers": {
    "decimermcpserver": {
      "command": "uvx",
      "args": [
        "decimer-mcp-server"
      ]
    }
  }
}
```

## Environment variables

| Name | Required | Secret | Description |
|---|---|---|---|
| `DECIMER_API_BASE_URL` | no | no |  |

## Tools (2)

- `server_health`
- `analyze_chemical_image`

## FAQ

### Does this server run the DECIMER models directly?

No, this server acts as a thin adapter over an existing FastAPI service and does not run the models itself.

### What are the requirements to run this server?

You need Python 3.10 or higher and a running DECIMER API server.