# Json Schema Form Builder — REST API endpoint `json-schema-form-builder`

Returns a form schema object (formId, method, action, fields, submitText) built from a list of field definitions. The output is the JSON the json_to_html_form and json_to_bootstrap_form tools consume.

- Category: seo
- 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/json-schema-form-builder/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/api/json-schema-form-builder/
- Same tool on the other surface: https://findutils.com/mcp/json-schema-form-builder/

## Call the endpoint (verified example)

```bash
curl -X POST https://api.findutils.com/api/tools/json-schema-form-builder/execute \
  -H "Content-Type: application/json" \
  -d '{
    "fields": [
      {
        "name": "email",
        "type": "email",
        "label": "Email",
        "required": true
      }
    ],
    "form_id": "signup"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/json-schema-form-builder
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `fields` | array | yes | Field definitions. Each item: { name, type, label?, placeholder?, required?, options?: [{value,label}], min?, max?, rows? }. type is one of text, email, password, number, tel, url, date, textarea, select, checkbox, radio. |
| `form_id` | string | no | The form id attribute. Default: "my-form". Default: `"my-form"`. |
| `submit_text` | string | no | Label of the submit button. Default: "Submit". Default: `"Submit"`. |

Example arguments (verified):

```json
{
  "fields": [
    {
      "name": "email",
      "type": "email",
      "label": "Email",
      "required": true
    }
  ],
  "form_id": "signup"
}
```

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:json_schema_form_builder`. Full MCP reference: https://findutils.com/mcp/json-schema-form-builder/

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