feat: Add DNS-AID plugin for agent discovery via DNS

python/semantic_kernel/connectors/dns_aid.py

@@ -0,0 +1,80 @@
+"""DNS-AID plugin for Microsoft Semantic Kernel."""
+
+from semantic_kernel.functions import kernel_function
+
+
+class DnsAidPlugin:
+    """DNS-AID plugin for Microsoft Semantic Kernel.
+
+    Provides agent discovery, publishing, and unpublishing via DNS-AID.
+    """
+
+    def __init__(self, backend_name: str | None = None, backend=None):
+        from dns_aid.integrations import DnsAidOperations
+
+        self._ops = DnsAidOperations(backend_name=backend_name, backend=backend)
+
+    @kernel_function(
+        name="discover_agents",
+        description="Discover AI agents at a domain via DNS-AID SVCB records.",
+    )
+    async def discover_agents(
+        self,
+        domain: str,
+        protocol: str | None = None,
+        name: str | None = None,
+        require_dnssec: bool = False,
+    ) -> str:
+        """Discover AI agents at a domain via DNS-AID SVCB records."""
+        return await self._ops.discover_async(
+            domain=domain,
+            protocol=protocol,
+            name=name,
+            require_dnssec=require_dnssec,
+        )
+
+    @kernel_function(
+        name="publish_agent",
+        description="Publish an AI agent to DNS via DNS-AID SVCB records.",
+    )
+    async def publish_agent(
+        self,
+        name: str,
+        domain: str,
+        protocol: str = "mcp",
+        endpoint: str = "",
+        port: int = 443,
+        capabilities: list[str] | None = None,
+        version: str = "1.0.0",
+        description: str | None = None,
+        ttl: int = 3600,
+    ) -> str:
+        """Publish an AI agent to DNS via DNS-AID SVCB records."""
+        return await self._ops.publish_async(
+            name=name,
+            domain=domain,
+            protocol=protocol,
+            endpoint=endpoint,
+            port=port,
+            capabilities=capabilities,
+            version=version,
+            description=description,
+            ttl=ttl,
+        )
+
+    @kernel_function(
+        name="unpublish_agent",
+        description="Remove an AI agent from DNS via DNS-AID SVCB records.",
+    )
+    async def unpublish_agent(
+        self,
+        name: str,
+        domain: str,
+        protocol: str = "mcp",
+    ) -> str:
+        """Remove an AI agent from DNS via DNS-AID SVCB records."""
+        return await self._ops.unpublish_async(
+            name=name,
+            domain=domain,
+            protocol=protocol,
+        )