diff --git a/README-zh.md b/README-zh.md
index 2c2de0e..feed505 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -21,6 +21,7 @@
     - [市场营销与增长](#市场营销与增长)
     - [项目与产品管理](#项目与产品管理)
     - [安全、合规与法律](#安全、合规与法律)
+* [插件市场](#插件市场)
 * [使用教程](#使用教程)
 * [如何贡献](#如何贡献)
 
@@ -189,6 +190,14 @@
 - [legal-advisor](./plugins/legal-advisor)
 - [legal-compliance-checker](./plugins/legal-compliance-checker)
 
+## 插件市场
+
+可通过 `/plugin marketplace add` 直接添加的社区插件市场：
+
+- [protonium](https://github.com/protonium-labs/protonium-marketplace) —— AI 智能体与效率工具。包含 **AxiomCore**：项目与日常事务管理智能体，提供强制化结构（编号目录、任务 ID、wiki 记忆）、计划 → 确认 → 执行工作流，支持敏捷或 WBS 方式创建项目.
+```bash
+ /plugin marketplace add protonium-labs/protonium-marketplace
+```
 
 ## 使用教程
 
@@ -217,4 +226,4 @@
 
 * 添加你喜欢的插件
 * 分享最佳实践
-* 提交你自己的插件
\ No newline at end of file
+* 提交你自己的插件
diff --git a/README.md b/README.md
index e4de615..e738e60 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ Awesome Claude Code plugins — a curated list of slash commands, subagents, MCP
     - [Marketing Growth](#marketing-growth)
     - [Project & Product Management](#project--product-management)
     - [Security, Compliance, & Legal](#security-compliance--legal)
+* [Marketplaces](#marketplaces)
+* [Tutorials](#tutorials)
 * [Tutorials](#tutorials)
 * [Contributing](#contributing)
 
@@ -189,6 +191,15 @@ Install or disable them dynamically with the `/plugin` command — enabling you
 - [legal-advisor](./plugins/legal-advisor)
 - [legal-compliance-checker](./plugins/legal-compliance-checker)
 
+## Marketplaces
+
+Community-hosted plugin marketplaces you can add directly with `/plugin marketplace add`:
+
+- [protonium](https://github.com/protonium-labs/protonium-marketplace) — AI agents and productivity tools. Includes **AxiomCore**, a project & routine management agent: enforced structure (numbered folders, task IDs, wiki memory), plan → approve → execute workflow, agile or WBS project creation.
+
+```bash
+/plugin marketplace add protonium-labs/protonium-marketplace
+```
 
 ## Tutorials
 
@@ -212,4 +223,4 @@ Example:
 ## Contributing
 
 Contributions are welcome!
- You can add your favorite plugins, share best practices, or submit your own marketplace.
\ No newline at end of file
+ You can add your favorite plugins, share best practices, or submit your own marketplace.