# Reading Time — MCP tool `findutils:reading_time`

Estimate reading time for a block of text. Default speed is 238 wpm (Brysbaert 2019 meta-analysis average for adults reading silently). Returns minutes, seconds, and a human-readable string.

- Category: text
- 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/reading-time/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/reading-time/
- Same tool on the other surface: https://findutils.com/api/reading-time/

## 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": "reading_time",
      "arguments": {
        "text": "word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `text` | string | yes | The text to measure. |
| `wpm` | number | no | Words per minute. Default: 238. |

Example arguments (verified):

```json
{
  "text": "word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/reading-time/execute \
  -H "Content-Type: application/json" \
  -d '{
    "text": "word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word word"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/reading-time
```

Full REST reference: https://findutils.com/api/reading-time/ · 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