docs(mcp): showcase DeepWiki and DuckDuckGo MCP servers

Added DeepWiki and DuckDuckGo MCP servers for enhanced searching capabilities and content fetching.

packages/web/src/content/docs/mcp-servers.mdx

@@ -482,6 +482,54 @@ When you need to search docs, use `context7` tools.
 
 ---
 
+### DeepWiki by Devin
+
+Add the [DeepWiki MCP server](https://mcp.deepwiki.com/) to search through docs and enable the ability to **ask questions about them efficiently** (Ask Devin).
+
+```json title="opencode.json" {4-7}
+{
+  "$schema": "https://opencode.ai/config.json",
+  "mcp": {
+    "deepwiki": {
+      "type": "remote",
+      "url": "https://mcp.deepwiki.com/mcp"
+    }
+  }
+}
+```
+
+Add `use deepwiki` to your prompts to force usage of DeepWiki MCP server.
+
+```txt "use deepwiki"
+Migrate a project to use the latest Tailwind. use deepwiki
+```
+
+---
+
+### DuckDuckGo
+
+Add the [DuckDuckGo MCP server](https://github.com/nickclyde/duckduckgo-mcp-server) that provides web search capabilities through DuckDuckGo, with additional features for content fetching and parsing.
+
+```json title="opencode.json" {4-7}
+{
+  "$schema": "https://opencode.ai/config.json",
+  "mcp": {
+    "duckduckgo": {
+      "type": "local",
+      "command": ["uvx", "duckduckgo-mcp-server"]
+    }
+  }
+}
+```
+
+Add `use duckduckgo` to your prompts to force usage of DuckDuckGo MCP server.
+
+```txt "use duckduckgo"
+Use duckduckgo to research information about alpacas.
+```
+
+---
+
 ### Grep by Vercel
 
 Add the [Grep by Vercel](https://grep.app) MCP server to search through code snippets on GitHub.