Cthulhu is no longer a fork. Now it is a screen reader written in Golang.

internal/tentacle/testdata/peer.py

@@ -0,0 +1,26 @@
+"""Private independent wire fixture. Not an SDK or installable tentacle."""
+
+import json
+import sys
+
+active = False
+for line in sys.stdin.buffer:
+    request = json.loads(line)
+    method = request["method"]
+    if method == "initialize":
+        initialization = request["params"]
+        result = {
+            "protocol": initialization["protocol"],
+            "session": initialization["session"],
+            "commands": [{"id": "echo", "title": "Echo text", "description": ""}],
+        }
+    elif method == "initialized":
+        active = True
+        continue
+    elif method == "shutdown":
+        break
+    elif method == "command.invoke" and active:
+        result = request["params"]["arguments"]
+    else:
+        sys.exit(2)
+    print(json.dumps({"jsonrpc": "2.0", "id": request["id"], "result": result}), flush=True)