feat(setup): Add security tools to requirements and update install doc

Author: vishnurajkv

README.md

@@ -45,9 +45,26 @@ The pipeline runs in four distinct stages:
 ```bash
 git clone https://github.com/SecNode/API-PENTESTER.git
 cd API-PENTESTER
+pip install -r requirements.txt
 pip install -e .
 ```
 
+### Installing Security Tools (Local)
+For the agent to orchestrate tools locally, ensure they are in your `$PATH`:
+
+1.  **Nuclei (projectdiscovery):**
+    ```bash
+    # Via Go
+    go install -v github.com/projectdiscovery/nuclei/v3/cmd/nuclei@latest
+    # Or download binary from GitHub Releases
+    ```
+2.  **Arjun & Dirsearch:**
+    Installed automatically via `requirements.txt`. Verify with:
+    ```bash
+    arjun --help
+    dirsearch --version
+    ```
+
 ## Configuration
 
 Set your model and provider credentials before running scans:

requirements.txt

@@ -13,3 +13,7 @@ pytest-asyncio==0.25.3
 pytest-cov==6.0.0
 ruff==0.11.2
 pip-audit==2.8.0
+
+# Security Tools (CLI)
+arjun
+dirsearch