chore: add server.json for MCP registry

Author: BitmapAsset

server.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
+  "name": "io.github.bitmapasset/dear-agent",
+  "description": "Dear Agent — your AI agent keeps your diary for you. A local-first MCP server + skill that lets any AI agent maintain a human's daily life journal from text, photos, and voice notes. You never open an app or write a word.",
+  "repository": {
+    "url": "https://github.com/BitmapAsset/dear-agent",
+    "source": "github"
+  },
+  "version": "0.2.1",
+  "packages": [
+    {
+      "registryType": "npm",
+      "identifier": "dear-agent",
+      "version": "0.2.1",
+      "transport": {
+        "type": "stdio"
+      },
+      "environmentVariables": [
+        {
+          "name": "DEAR_AGENT_DIR",
+          "description": "Directory where the diary is stored as plain markdown (default ~/.dear-agent).",
+          "isRequired": false,
+          "isSecret": false,
+          "format": "string"
+        }
+      ]
+    }
+  ]
+}