fix: rename monitor cron param to interval per v2 API

Aligns with scrapegraph-py PR #82 which renamed the `cron` field to
`interval` in MonitorCreateRequest to match the v2 API contract.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: VinciGit00

README.md

@@ -441,7 +441,7 @@ The server enables sophisticated queries across various scraping scenarios:
 - For structured fields per page, run **`smartscraper`** on individual URLs (or **`monitor_create`** on a schedule)
 
 ### Monitors and account
-- **Monitor**: "Run this extract prompt on https://example.com every day at 9am" (`monitor_create` with cron)
+- **Monitor**: "Run this extract prompt on https://example.com every day at 9am" (`monitor_create` with interval)
 - **Credits / history**: `credits`, `sgai_history`
 - **Agentic Scraper**: "Execute a complex workflow: login, navigate to reports, download data, and extract summary statistics"
 

src/scrapegraph_mcp/server.py

@@ -318,15 +318,15 @@ def monitor_create(
         name: str,
         url: str,
         prompt: str,
-        cron: str,
+        interval: str,
         output_schema: Optional[Dict[str, Any]] = None,
         fetch_config_dict: Optional[Dict[str, Any]] = None,
     ) -> Dict[str, Any]:
         body: Dict[str, Any] = {
             "name": name,
             "url": url,
             "prompt": prompt,
-            "cron": cron,
+            "interval": interval,
         }
         if output_schema is not None:
             body["output_schema"] = output_schema
@@ -1546,7 +1546,7 @@ def monitor_create(
     name: str,
     url: str,
     prompt: str,
-    cron: str,
+    interval: str,
     ctx: Context,
     output_schema: Optional[
         Annotated[
@@ -1574,7 +1574,7 @@ def monitor_create(
         name: Monitor name.
         url: URL to monitor.
         prompt: Prompt for AI extraction.
-        cron: 5-field cron expression.
+        interval: 5-field cron expression for scheduling.
         output_schema: JSON schema for structured output.
         mode: Fetch/proxy mode — auto, fast, js, direct+stealth, js+stealth.
         headers: Custom HTTP headers.
@@ -1606,7 +1606,7 @@ def monitor_create(
             cookies=cookies, country=country, scrolls=scrolls, mock=mock,
         )
         return client.monitor_create(
-            name=name, url=url, prompt=prompt, cron=cron,
+            name=name, url=url, prompt=prompt, interval=interval,
             output_schema=normalized_schema, fetch_config_dict=fc,
         )
     except Exception as e: