chore: add AI readme (#82)

Author: ddebrunner

ai/README.md

@@ -0,0 +1,15 @@
+# AI related snippets
+
+# MCP
+
+Every API Connect for GraphQL deployed schema has an MCP `/mcp` endpoint
+in addition to its `/graphql` endpoint.
+
+Articles:
+
+- https://developer.ibm.com/articles/awb-simplifying-llm-integration-mcp-api-connect-graphql/
+- https://community.ibm.com/community/user/blogs/timil-titus/2025/10/12/mcp-and-ibm-api-connect-for-graphql
+
+Snippets:
+
+- [Prescribed tools](../executable/prescribed/) - Demonstrates creation of MCP tools from persisted GraphQL operations.