diff --git a/base/.jq/env.jq b/base/.jq/env.jq
new file mode 100644
index 0000000..efb648d
--- /dev/null
+++ b/base/.jq/env.jq
@@ -0,0 +1,14 @@
+def browser:    env.BROWSER;
+def editor:     env.EDITOR;
+def home:       env.HOME;
+def path:       env.PATH | split(":");
+def pwd:        env.PWD;
+def term:       env.TERM;
+def user:       env.USER;
+
+def bin:        env.XDG_BIN_HOME;
+def cache:      env.XDG_CACHE_HOME;
+def config:     env.XDG_CONFIG_HOME;
+def data:       env.XDG_DATA_HOME;
+def runtime:    env.XDG_RUNTIME_DIR;
+def state:      env.XDG_STATE_HOME;
diff --git a/base/.jq/github.jq b/base/.jq/github.jq
new file mode 100644
index 0000000..6d32ad8
--- /dev/null
+++ b/base/.jq/github.jq
@@ -0,0 +1,28 @@
+def by_time: sort_by(.created_at) | reverse;
+
+def asset($os; $arch):
+    .assets[]
+  | select(.name | test($os))
+  | select(.name | test($arch))
+;
+
+def latest:         by_time | limit(1; .[]);
+def latest_body:    latest  | .body;
+def latest_version: latest  | .tag_name;
+
+def latest_asset($os; $arch):    latest | asset($os; $arch);
+def latest_download($os; $arch): latest_asset($os; $arch) | .browser_download_url;
+def latest_type($os; $arch):     latest_asset($os; $arch) | .content_type;
+
+def summary($os; $arch):
+"\((.name | select(. != "")) // .tag_name // .id)
+created at: \(.created_at)
+assets
+\(
+  [   asset($os; $arch)
+    | .name
+    | "  → \(.)"
+  ] | join("\n")
+)
+";
+