feat: Add VAPT agent client for MCP security tests

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vapt_mcp_client.py

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+import asyncio
+import ast
+import os
+from pathlib import Path
+from typing import Dict, Any
+
+from dotenv import load_dotenv
+from mcp import ClientSession
+from mcp.client.streamable_http import streamablehttp_client
+
+# Load .env automatically
+load_dotenv()
+
+MCP_SERVER_URL = "https://mcp-1st-birthday-vapt-agent.hf.space/gradio_api/mcp/"
+TOOL_NAME = "vapt_agent_run_security_test"
+
+BASE_DIR = Path(__file__).parent
+
+
+async def call_vapt_security_test(
+    api_endpoint: str,
+    http_method: str = "GET",
+    api_key: str = "",
+) -> Dict[str, Any]:
+
+    report_md_text = None
+    report_file_name = None
+
+    async with streamablehttp_client(url=MCP_SERVER_URL, headers={}) as (
+        read_stream,
+        write_stream,
+        _,
+    ):
+        async with ClientSession(read_stream, write_stream) as session:
+            await session.initialize()
+
+            tools_resp = await session.list_tools()
+            tool_names = [t.name for t in tools_resp.tools]
+            if TOOL_NAME not in tool_names:
+                raise RuntimeError(
+                    f"Tool {TOOL_NAME!r} not found on server. Available: {tool_names}"
+                )
+
+            args = {
+                "api_endpoint": api_endpoint,
+                "http_method": http_method,
+                "api_key": api_key,
+            }
+
+            result = await session.call_tool(TOOL_NAME, args)
+
+            def handle_text_chunk(text: str):
+                nonlocal report_md_text, report_file_name
+
+                parsed = None
+                try:
+                    parsed = ast.literal_eval(text)
+                except Exception:
+                    parsed = None
+
+                # Expected: ['progress...', 'report_md', file_info_dict]
+                if (
+                    isinstance(parsed, list)
+                    and len(parsed) >= 3
+                    and isinstance(parsed[0], str)
+                    and isinstance(parsed[1], str)
+                    and isinstance(parsed[2], dict)
+                ):
+                    progress_str, md_str, file_info = parsed[0], parsed[1], parsed[2]
+
+                    print("\n=== Progress ===")
+                    for line in progress_str.splitlines():
+                        print(line)
+
+                    print("\n=== Report (first 20 lines) ===")
+                    md_lines = md_str.splitlines()
+                    for line in md_lines[:20]:
+                        print(line)
+                    if len(md_lines) > 20:
+                        print("... [truncated, full report saved to .md file]")
+
+                    report_md_text = md_str
+                    report_file_name = file_info.get("orig_name", "vapt_report.md")
+
+                else:
+                    print(text)
+
+            # Future compatibility: streaming async iterator
+            if hasattr(result, "__aiter__"):
+                async for event in result:
+                    for block in event.content:
+                        if getattr(block, "type", None) == "text":
+                            handle_text_chunk(block.text)
+            else:
+                print("\n=== RAW TOOL RESULT METADATA ===")
+                print(f"isError: {result.isError}")
+
+                for block in result.content:
+                    if getattr(block, "type", None) == "text":
+                        handle_text_chunk(block.text)
+
+            # Save markdown
+            if report_md_text:
+                out_name = report_file_name or "vapt_report.md"
+                out_path = BASE_DIR / out_name
+                out_path.write_text(report_md_text, encoding="utf-8")
+                print(f"\n✅ Markdown report saved to: {out_path.resolve()}")
+
+            return {
+                "is_error": getattr(result, "isError", None),
+                "content": getattr(result, "content", None),
+            }
+
+
+async def main():
+    api_endpoint = os.getenv("TEST_API_ENDPOINT")
+    http_method = os.getenv("TEST_API_METHOD", "GET")
+    api_key = os.getenv("TEST_API_KEY", "")
+
+    print("\nUsing environment settings:")
+    print(f"  TEST_API_ENDPOINT = {api_endpoint}")
+    print(f"  TEST_API_METHOD   = {http_method}")
+    # Do NOT print API key
+
+    await call_vapt_security_test(
+        api_endpoint=api_endpoint,
+        http_method=http_method,
+        api_key=api_key,
+    )
+
+
+if __name__ == "__main__":
+    asyncio.run(main())