# Number Base Convert — REST API endpoint `number-base-convert`

Convert an integer between bases 2, 8, 10, and 16.

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

## Call the endpoint (verified example)

```bash
curl -X POST https://api.findutils.com/api/tools/number-base-convert/execute \
  -H "Content-Type: application/json" \
  -d '{
    "value": "42",
    "from": 10,
    "to": 2
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/number-base-convert
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `value` | string | yes | Number string (no prefix). |
| `from` | integer (2 \| 8 \| 10 \| 16) | yes | Source base. |
| `to` | integer (2 \| 8 \| 10 \| 16) | yes | Target base. |

Example arguments (verified):

```json
{
  "value": "42",
  "from": 10,
  "to": 2
}
```

OpenAPI 3.1 spec: https://findutils.com/api/openapi.json · Interactive docs: https://findutils.com/api/docs/

## Also an MCP tool

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

Then ask the client to call `findutils:number_base_convert`. Full MCP reference: https://findutils.com/mcp/number-base-convert/

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