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diff --git a/docs/mcp-api.md b/docs/mcp-api.md
index 5157c42..a1d0f8c 100644
--- a/docs/mcp-api.md
+++ b/docs/mcp-api.md
@@ -1,5 +1,17 @@
 # MCP Server API Reference
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 The hexai-mcp-server implements the Model Context Protocol with prompt management extensions.
 
 ## Protocol Version
diff --git a/docs/mcp-automatic-backups.md b/docs/mcp-automatic-backups.md
index 87ec329..22469d3 100644
--- a/docs/mcp-automatic-backups.md
+++ b/docs/mcp-automatic-backups.md
@@ -1,5 +1,17 @@
 # MCP Server Automatic Backups
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 ## ✅ Fully Automatic - No Manual Tools Required!
 
 The hexai-mcp-server automatically creates backups **on every write operation**. You don't need any CLI tools - everything happens automatically when you use the MCP protocol.
diff --git a/docs/mcp-features-summary.md b/docs/mcp-features-summary.md
index 090b616..d5e7f19 100644
--- a/docs/mcp-features-summary.md
+++ b/docs/mcp-features-summary.md
@@ -1,5 +1,17 @@
 # hexai-mcp-server Complete Feature Summary
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 ## 🎯 Overview
 
 The hexai-mcp-server is a complete Model Context Protocol implementation with prompt management capabilities. It includes both **standard MCP methods** and **management extensions** that allow full CRUD operations on prompts.
diff --git a/docs/mcp-managing-prompts.md b/docs/mcp-managing-prompts.md
index 675e0c8..7cca112 100644
--- a/docs/mcp-managing-prompts.md
+++ b/docs/mcp-managing-prompts.md
@@ -1,5 +1,17 @@
 # Managing MCP Prompts
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 Quick reference for managing hexai MCP server prompts.
 
 ## 🚀 All Management Through MCP Protocol
diff --git a/docs/mcp-prompts.md b/docs/mcp-prompts.md
index 260760b..a12385c 100644
--- a/docs/mcp-prompts.md
+++ b/docs/mcp-prompts.md
@@ -1,5 +1,17 @@
 # MCP Prompts Guide
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 ## Overview
 
 Prompts in hexai-mcp-server are reusable templates that can be parameterized with arguments. They're stored in JSONL format (one JSON object per line) for easy editing and version control.
diff --git a/docs/mcp-server-complete.md b/docs/mcp-server-complete.md
index 5d8d7ca..8d08e9d 100644
--- a/docs/mcp-server-complete.md
+++ b/docs/mcp-server-complete.md
@@ -1,5 +1,17 @@
 # hexai-mcp-server: Complete Solution
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 ## Overview
 
 The hexai-mcp-server is a **fully self-contained MCP server** that manages prompts entirely through the protocol. No additional tools needed!
diff --git a/docs/mcp-setup.md b/docs/mcp-setup.md
index 6f75cb9..c1e966b 100644
--- a/docs/mcp-setup.md
+++ b/docs/mcp-setup.md
@@ -1,5 +1,17 @@
 # MCP Server Setup Guide
 
+> **⚠️ DEPRECATION NOTICE**
+>
+> This MCP server is **EXPERIMENTAL** and **NOT ACTIVELY MAINTAINED**.
+>
+> The author currently manages prompts through slash commands and meta-commands
+> in the hexai agent system, making this MCP server redundant for its original
+> purpose. This code is kept for potential future enhancements (possibly with
+> different functionality beyond prompt management), but no guarantees are made
+> about stability or continued support.
+>
+> **This documentation is preserved for reference only.**
+
 ## What is MCP?
 
 Model Context Protocol (MCP) is a standardized protocol for AI agents to discover and use prompts, tools, and resources from external servers. The `hexai-mcp-server` provides a prompt management system that works with any MCP-compatible agent like Claude Code CLI, Cursor, or other AI coding assistants.