feat: add search tools (#58)

tools/search_arxiv.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -e
+
+# @describe Search arXiv for a query and return the top papers.
+
+# @env ARXIV_MAX_RESULTS=5 The max results to return.
+# @option --query! The query to search for.
+
+main() {
+    encoded_query="$(jq -nr --arg q "$argc_query" '$q|@uri')"
+    url="http://export.arxiv.org/api/query?search_query=all:$encoded_query&max_results=$ARXIV_MAX_RESULTS"
+    curl -fsSL "$url" 
+}
+
+eval "$(argc --argc-eval "$0" "$@")"