diff --git a/.well-known/mcp.json b/.well-known/mcp.json
new file mode 100644
index 0000000..17c2d54
--- /dev/null
+++ b/.well-known/mcp.json
@@ -0,0 +1,41 @@
+{
+  "schema": "mcp-discovery/v1",
+  "name": "678 Atlanta North Suburbs — Alpharetta / Roswell Civic Portal",
+  "description": "Civic AI portal for Atlanta's north suburbs — Alpharetta's tech corridor, Roswell charm, and the 400 corridor.",
+  "endpoint": "https://mcp.678.today/mcp",
+  "area_code": "678",
+  "network": "WellSpr.ing NNN.today",
+  "tools": [
+    "get_local_news",
+    "get_free_items",
+    "get_businesses",
+    "submit_civic_idea",
+    "get_civic_services",
+    "ody_chat"
+  ],
+  "conduct": "https://wellspr.ing/constitution",
+  "sovereign_repo": "https://git.wellspr.ing/WellBuilder/mcp-678",
+  "federation_manifest": "https://wellspr.ing/mcp/federation.json",
+  "adjacent": [
+    {
+      "area_code": "404",
+      "endpoint": "https://mcp.404.today/mcp",
+      "repo": "https://git.wellspr.ing/WellBuilder/mcp-404"
+    },
+    {
+      "area_code": "423",
+      "endpoint": "https://mcp.423.today/mcp",
+      "repo": "https://git.wellspr.ing/WellBuilder/mcp-423"
+    },
+    {
+      "area_code": "706",
+      "endpoint": "https://mcp.706.today/mcp",
+      "repo": "https://git.wellspr.ing/WellBuilder/mcp-706"
+    },
+    {
+      "area_code": "828",
+      "endpoint": "https://mcp.828.today/mcp",
+      "repo": "https://git.wellspr.ing/WellBuilder/mcp-828"
+    }
+  ]
+}
\ No newline at end of file