# Mime Type Finder — MCP tool `findutils:mime_type_finder`

Return MIME types with their file extensions and descriptions. Search by extension (".png" or "png"), by MIME type ("application/json") or by keyword ("spreadsheet"); filter by category.

- Category: network
- MCP server: https://mcp.findutils.com/ (Streamable HTTP, no API keys, 120 req/min per IP)
- REST endpoint: POST https://api.findutils.com/api/tools/mime-type-finder/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/mime-type-finder/
- Same tool on the other surface: https://findutils.com/api/mime-type-finder/

## Connect

```bash
claude mcp add findutils --transport http https://mcp.findutils.com/
```

Claude Desktop (`claude_desktop_config.json`):

```json
{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}
```

## Call the tool (verified example)

```bash
curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "mime_type_finder",
      "arguments": {
        "query": ".png"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `query` | string | no | Extension, MIME type or keyword. Empty returns the whole table. |
| `category` | string (all \| Application \| Audio \| Font \| Image \| Text \| Video \| Multipart \| Message) | no | Limit results to one category. Default: `"all"`. |
| `limit` | integer | no | Maximum number of results (1-200). Default: `10`. |

Example arguments (verified):

```json
{
  "query": ".png"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/mime-type-finder/execute \
  -H "Content-Type: application/json" \
  -d '{
    "query": ".png"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/mime-type-finder
```

Full REST reference: https://findutils.com/api/mime-type-finder/ · OpenAPI 3.1 spec: https://findutils.com/api/openapi.json

---
Full catalog: POST https://mcp.findutils.com/ with method `tools/list` · https://findutils.com/mcp/ · https://findutils.com/llms.txt