Restructure Tools & Libraries section and rename ai-docs to ai

- Reorganize sidebar into Tools & Libraries group with sub-groups for SDKs and AI & LLM Resources
- Add dedicated pages: xurl CLI, Python XDK, TypeScript XDK, API Playground
- Add AI & LLM Resources: llms.txt, skill.md, MCP (XMCP + Docs MCP consolidated)
- Slim down tools-and-libraries.mdx into a hub page with cards
- Add 'Build with AI agents' section to what-to-build.mdx
- Add AI & LLM Resources card to homepage overview
- Rename hidden SDK tabs to Python XDK / TypeScript XDK
- Rename tools/ai-docs to tools/ai
- Replace ChatGPT/Claude mentions with Grok

Author: tcaldwell-x

docs.json

@@ -39,7 +39,7 @@
                       {
                         "group": "AI & LLM Resources",
                         "pages": [
-                          "tools/ai-docs",
+                          "tools/ai",
                           "tools/llms-txt",
                           "tools/skill-md",
                           "tools/mcp"

overview.mdx

@@ -83,7 +83,7 @@ Earn free [xAI API](https://docs.x.ai) credits when you purchase X API credits 
   <Card title="Developer Forum" icon="comments" href="https://devcommunity.x.com">
     Get help from the community and X team.
   </Card>
-  <Card title="AI & LLM Resources" icon="sparkles" href="/tools/ai-docs">
+  <Card title="AI & LLM Resources" icon="sparkles" href="/tools/ai">
     llms.txt, skill.md, MCP servers, and resources for AI-powered development.
   </Card>
 </CardGroup>

tools-and-libraries.mdx

@@ -74,7 +74,7 @@ console.log(userResponse.data?.username);
   <Card title="API Playground" icon="flask" href="https://github.com/xdevplatform/playground">
     Local mock server for testing X API v2 endpoints without using real credits.
   </Card>
-  <Card title="AI & LLM Resources" icon="sparkles" href="/tools/ai-docs">
+  <Card title="AI & LLM Resources" icon="sparkles" href="/tools/ai">
     XMCP, llms.txt, skill.md, docs MCP server, and resources for AI-powered development.
   </Card>
 </CardGroup>

tools/ai-docs.mdx tools/ai.mdxtools/ai-docs.mdx renamed to tools/ai.mdx

@@ -182,7 +182,7 @@ Connect AI tools to the X API and build intelligent workflows.
 - [llms-full.txt](https://docs.x.com/llms-full.txt) — Feed complete docs to your AI tool
 - [OpenAPI Spec](https://api.x.com/2/openapi.json) — Machine-readable API definition
 
-[Browse all AI & LLM resources](/tools/ai-docs)
+[Browse all AI & LLM resources](/tools/ai)
 
 ---