diff --git a/external_plugins/discord/README.md b/external_plugins/discord/README.md
index 7e12fa6..d696117 100644
--- a/external_plugins/discord/README.md
+++ b/external_plugins/discord/README.md
@@ -4,6 +4,9 @@ Connect a Discord bot to your Claude Code with an MCP server.
 
 When the bot receives a message, the MCP server forwards it to Claude and provides tools to reply, react, and edit messages.
 
+## Prerequisites
+
+- [Bun](https://bun.sh) — the MCP server runs on Bun. Install with `curl -fsSL https://bun.sh/install | bash`.
 
 ## Quick Setup
 > Default pairing flow for a single-user DM bot. See [ACCESS.md](./ACCESS.md) for groups and multi-user setups.
diff --git a/external_plugins/telegram/README.md b/external_plugins/telegram/README.md
index 579be5c..95fb4b6 100644
--- a/external_plugins/telegram/README.md
+++ b/external_plugins/telegram/README.md
@@ -4,6 +4,10 @@ Connect a Telegram bot to your Claude Code with an MCP server.
 
 The MCP server logs into Telegram as a bot and provides tools to Claude to reply, react, or edit messages. When you message the bot, the server forwards the message to your Claude Code session.
 
+## Prerequisites
+
+- [Bun](https://bun.sh) — the MCP server runs on Bun. Install with `curl -fsSL https://bun.sh/install | bash`.
+
 ## Quick Setup
 > Default pairing flow for a single-user DM bot. See [ACCESS.md](./ACCESS.md) for groups and multi-user setups.