# Json Schema Form Builder — MCP tool `findutils: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/mcp/json-schema-form-builder/
- Same tool on the other surface: https://findutils.com/api/json-schema-form-builder/

## 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": "json_schema_form_builder",
      "arguments": {
        "fields": [
          {
            "name": "email",
            "type": "email",
            "label": "Email",
            "required": true
          }
        ],
        "form_id": "signup"
      }
    }
  }'
```

## 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"
}
```

## Also a REST endpoint

```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
```

Full REST reference: https://findutils.com/api/json-schema-form-builder/ · 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