diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 56ea7f2d6..3cb99e88b 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "agmsg",
   "description": "Cross-agent messaging via SQLite. Send messages between CLI AI agents. No daemon, no network.",
-  "version": "1.1.13",
+  "version": "1.2.0-rc.1",
   "author": {
     "name": "fujibee"
   },
diff --git a/VERSION b/VERSION
index 9ea63dbcc..a94c1f6e2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.13
+1.2.0-rc.1
diff --git a/package.json b/package.json
index 454ed147e..75e0852d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "agmsg",
-  "version": "1.1.13",
+  "version": "1.2.0-rc.1",
   "description": "Cross-agent messaging via SQLite for CLI AI agents (Claude Code, Codex, Gemini CLI, GitHub Copilot CLI, Antigravity, OpenCode). The npm package is a thin bootstrapper that fetches and runs the canonical bash installer at https://github.com/fujibee/agmsg.",
   "bin": {
     "agmsg": "bin/agmsg.js"