feat(mcp): add resource read tools (#33483)

packages/opencode/src/mcp/catalog.ts

@@ -86,6 +86,7 @@ export function fetch<T extends { name: string }>(
   client: Client,
   list: (client: Client) => Promise<T[]>,
   label: string,
+  key?: (item: T) => string,
 ) {
   return Effect.tryPromise({
     try: () => list(client),
@@ -100,7 +101,10 @@ export function fetch<T extends { name: string }>(
     Effect.map((items) => {
       const sanitizedClient = sanitize(clientName)
       return Object.fromEntries(
-        items.map((item) => [sanitizedClient + ":" + sanitize(item.name), { ...item, client: clientName }]),
+        items.map((item) => [
+          key ? clientName + ":" + key(item) : sanitizedClient + ":" + sanitize(item.name),
+          { ...item, client: clientName },
+        ]),
       )
     }),
     Effect.orElseSucceed(() => undefined),