diff --git a/pyproject.toml b/pyproject.toml
index 13225ad..6f44cf8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "common"
 description = "Reusable code stubs"
-version = "0.1.1"
+version = "0.1.2"
 requires-python = ">=3.13"
 authors = [
   { name="BreakerBear", email="breakerbear@autistic.men" },
diff --git a/src/common/__init__.py b/src/common/__init__.py
index e69de29..5d632d4 100644
--- a/src/common/__init__.py
+++ b/src/common/__init__.py
@@ -0,0 +1 @@
+from jsonrpc2 import Request, Response, Error, History, ConnectionContext, define, remove, run
\ No newline at end of file
diff --git a/src/common/jsonrpc2.py b/src/common/jsonrpc2.py
index 16c97ec..592ca91 100644
--- a/src/common/jsonrpc2.py
+++ b/src/common/jsonrpc2.py
@@ -3,8 +3,7 @@ import logging
 import trio
 import trio_websocket as ws
 from enum import Enum
-from typing import Self, Callable
-from ipaddress import IPv4Address
+from typing import Self, Callable, Any
 from itertools import repeat
 from threading import Thread
 
@@ -142,7 +141,14 @@ async def backend(listen='127.0.0.1', port=0):
     await server.run()
     t.interrupt_main()
 
-def run(logger: logging.Logger) -> tuple[IPv4Address, int]:
+def define(method: str, handler: Callable[..., Any]):
+    if method in handlers: raise KeyError()
+    handlers[method] = handler
+
+def remove(method: str) -> Callable[..., Any]:
+    return handlers.pop(method)
+
+def run(logger: logging.Logger) -> str:
     history = History()
     fmt = logger.handlers[0].formatter
     logger.addHandler(history)
@@ -152,4 +158,4 @@ def run(logger: logging.Logger) -> tuple[IPv4Address, int]:
     thread.start()
 
     endpoint = server.listeners[0]
-    return (endpoint.address, endpoint.port)
+    return f'ws://{endpoint.address}:{endpoint.port}'