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docs/tools/hacker-news.mdx

@@ -34,5 +34,9 @@ pnpm add @agentic/hacker-news
 import { HackerNewsClient } from '@agentic/hacker-news'
 
 const hn = new HackerNewsClient()
-const res = await hn.getTopStories()
+const res = await hn.searchItems({
+  query: 'example query',
+  tags: ['story'],
+  numericFilters: ['points>100']
+})
 ```

packages/core/src/utils.ts

@@ -189,7 +189,8 @@ export function throttleKy(
 
 /**
  * Creates a new `URLSearchParams` object with all values coerced to strings
- * that correctly handles arrays of values as repeated keys.
+ * that correctly handles arrays of values as repeated keys (or CSV) and
+ * correctly removes `undefined` keys and values.
  */
 export function sanitizeSearchParams(
   searchParams:

packages/wolfram-alpha/src/wolfram-alpha-client.ts

@@ -64,7 +64,10 @@ export class WolframAlphaClient extends AIFunctionsProvider {
   }
 
   /**
+   * Answers computational, mathematical, and scientific questions.
+   *
    * WolframAlpha understands natural language queries about entities in chemistry, physics, geography, history, art, astronomy, and more.
+   *
    * WolframAlpha performs mathematical calculations, date and unit conversions, formula solving, etc.
    */
   @aiFunction({