Add AutoGPT native command adapter

Author: Ramprasad Gaddam

vouch/integrations/autogpt/commands.py

@@ -0,0 +1,63 @@
+import os
+from vouch import Auditor
+
+# NOTE: In a real AutoGPT install, this import comes from the system.
+# We use a dummy decorator here so this file is valid Python in the repo.
+try:
+    from autogpt.command_decorator import command
+except ImportError:
+    def command(*args, **kwargs):
+        def decorator(func):
+            return func
+        return decorator
+
+# Global Auditor Instance (Lazy loaded)
+_auditor = None
+
+def _get_auditor():
+    global _auditor
+    if _auditor is None:
+        # Load keys from AutoGPT's .env file or environment
+        private_key = os.getenv("VOUCH_PRIVATE_KEY")
+        if not private_key:
+            raise ValueError("VOUCH_PRIVATE_KEY not found in environment")
+        _auditor = Auditor(private_key)
+    return _auditor
+
+@command(
+    "sign_with_vouch",
+    "Generates a Vouch-Token to prove identity for sensitive actions",
+    {
+        "intent": {
+            "type": "string",
+            "description": "A brief description of what you are about to do (e.g. 'read_email')",
+            "required": True,
+        },
+        "target_service": {
+            "type": "string",
+            "description": "The domain you are connecting to (e.g. 'api.bank.com')",
+            "required": True,
+        }
+    },
+)
+def sign_with_vouch(intent: str, target_service: str) -> str:
+    """
+    Returns a Vouch-Token string that should be added to the HTTP Header 'Vouch-Token'.
+    """
+    try:
+        auditor = _get_auditor()
+
+        # The AutoGPT Agent's Identity (Configured in env)
+        agent_did = os.getenv("VOUCH_DID", "did:web:anonymous-agent")
+
+        # Create the proof
+        vouch_data = {
+            "did": agent_did,
+            "integrity_hash": f"{target_service}:{intent}"
+        }
+
+        result = auditor.issue_vouch(vouch_data)
+        return f"Vouch-Token generated successfully. Add this header to your request: 'Vouch-Token: {result['certificate']}'"
+
+    except Exception as e:
+        return f"Error generating Vouch-Token: {str(e)}"