diff --git a/home/bin/executable_get_python_function_at_position.py b/home/bin/executable_get_python_function_at_position.py
new file mode 100644
index 0000000..4b8b8f9
--- /dev/null
+++ b/home/bin/executable_get_python_function_at_position.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+import argparse
+import ast
+import pathlib
+
+
+def find_definition(fp, line):
+    symbols = {}
+    with fp.open() as fh:
+        tree = ast.parse(fh.read())
+
+        for node in ast.walk(tree):
+            if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef, ast.ClassDef)):
+                start, end = compute_size(node)
+                symbols[node.name] = (start, end)
+
+    matches = []
+    for key, (start, end) in symbols.items():
+        if start <= line <= end:
+            matches.append(key)
+
+    return matches
+
+
+def compute_size(node):
+    min_lineno = node.lineno
+    max_lineno = node.lineno
+    for node in ast.walk(node):
+        if hasattr(node, "lineno"):
+            min_lineno = min(min_lineno, node.lineno)
+            max_lineno = max(max_lineno, node.lineno)
+    return (min_lineno, max_lineno + 1)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('filepath', type=pathlib.Path)
+    parser.add_argument('line', type=int)
+
+    args = parser.parse_args()
+
+    symbols = find_definition(args.filepath, args.line)
+    for symbol in symbols:
+        print(symbol)
diff --git a/home/bin/executable_literal_run_test_under_cursor b/home/bin/executable_literal_run_test_under_cursor
new file mode 100644
index 0000000..d11fd51
--- /dev/null
+++ b/home/bin/executable_literal_run_test_under_cursor
@@ -0,0 +1,27 @@
+#!/usr/bin/env sh
+
+set -e
+
+tmpfile=$(mktemp)
+zellij action dump-screen $tmpfile
+status_line=$(cat $tmpfile | rg -e "(?:NOR|INS|SEL)\s+[\x{2800}-\x{28FF}]*\s+(\S*)\s[^│]* (\d+):*.*" -o --replace '$1 $2')
+filename=$(echo $status_line | awk '{ print $1 }')
+escaped_filename=$(echo "$filename" | sed 's/[\/&]/\\&/g')
+line_number=$(echo $status_line | awk '{ print $2 }')
+extension="${filename##*.}"
+
+case "$extension" in
+  "py")
+    # this is pretty pytest-specific, but will probably be fine for the time being
+    test_runner=${PYTEST:-pytest}
+    cmd="get_python_function_at_position.py $filename $line_number | pytester.py - | sed 's/^/$test_runner /;s/$/ $escaped_filename/' | sh"
+    ;;
+  *)
+    echo "uh oh!"
+    exit 1
+    ;;
+esac
+
+full_cmd="echo \"running $cmd\" && $cmd"
+
+zellij action new-pane --direction down -- zsh -c "$full_cmd"
diff --git a/home/bin/executable_pytester.py b/home/bin/executable_pytester.py
new file mode 100644
index 0000000..48b0977
--- /dev/null
+++ b/home/bin/executable_pytester.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+import argparse
+import os
+import pathlib
+import sys
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('symbols', type=argparse.FileType('r'))
+
+    args = parser.parse_args()
+
+    symbols = args.symbols.read()
+    try:
+        symbols = symbols.strip()
+        symbols = symbols.split("\n")
+        expressions = " and ".join(symbols)
+        if expressions:
+            print(f"-k \"{expressions}\"")
+        else:
+            print("")
+    finally:
+        args.symbols.close()
+
+
+if __name__ == "__main__":
+    try:
+        main()
+        sys.stdout.flush()
+    except BrokenPipeError:
+        devnull = os.open(os.devnull, os.O_WRONLY)
+        os.dup2(devnull, sys.stdout.fileno())
+        sys.exit(1)
diff --git a/home/private_dot_config/helix/config.toml b/home/private_dot_config/helix/config.toml
index a671703..dfb9549 100644
--- a/home/private_dot_config/helix/config.toml
+++ b/home/private_dot_config/helix/config.toml
@@ -9,3 +9,6 @@ hidden = false
 
 [keys.normal]
 C-r = ":reload-all"
+
+[keys.normal.C-m]
+t = ":sh run_test_under_cursor"