diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fad88f..b7d19fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,12 @@ Tool I/O schema breaks bump the major version and require an entry under
 ### Fixed
 ### Security
 
+## [0.5.2] — 2026-05-31
+
+### Added
+
+- `mcpName` (`io.github.BasilSkyWalk/parecode`) in `package.json` and a root `server.json`, enabling publication to the official [MCP Registry](https://registry.modelcontextprotocol.io). Metadata only — no runtime, tool-schema, or behavior changes.
+
 ## [0.5.1] — 2026-05-31
 
 ### Added
diff --git a/package-lock.json b/package-lock.json
index 9720432..cc4c25a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "parecode",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "parecode",
-      "version": "0.5.1",
+      "version": "0.5.2",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
diff --git a/package.json b/package.json
index 485e21f..fb44c0d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "parecode",
-  "version": "0.5.1",
+  "version": "0.5.2",
+  "mcpName": "io.github.BasilSkyWalk/parecode",
   "description": "MCP server for token-aware code search and safe, atomic multi-file edits — built to cut Claude Code token usage on large codebases without giving up correctness.",
   "keywords": [
     "mcp",
diff --git a/plugins/claude-code/.claude-plugin/plugin.json b/plugins/claude-code/.claude-plugin/plugin.json
index a0f1301..3d14cef 100644
--- a/plugins/claude-code/.claude-plugin/plugin.json
+++ b/plugins/claude-code/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://anthropic.com/claude-code/plugin.schema.json",
   "name": "parecode-explore",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Read-only exploration agent and skill that delegates 'where is X' / 'how does Y work' questions to a Haiku-powered sub-agent driven by ParecodeSearch.",
   "author": {
     "name": "Basil Joy",
diff --git a/server.json b/server.json
new file mode 100644
index 0000000..4209ec7
--- /dev/null
+++ b/server.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
+  "name": "io.github.BasilSkyWalk/parecode",
+  "description": "Token-aware code search and safe, atomic multi-file edits for coding agents — collapses Grep/Read/Edit round-trips into single ParecodeSearch/ParecodeExpand/ParecodeEdit calls.",
+  "repository": {
+    "url": "https://github.com/BasilSkyWalk/parecode",
+    "source": "github"
+  },
+  "version": "0.5.2",
+  "packages": [
+    {
+      "registryType": "npm",
+      "identifier": "parecode",
+      "version": "0.5.2",
+      "transport": {
+        "type": "stdio"
+      }
+    }
+  ]
+}