memory_server.py updated

This commit is contained in:
2026-05-28 06:41:29 +00:00
parent deda284278
commit 9f6e0d54e1
+9 -24
View File
@@ -3,7 +3,6 @@ import os
from datetime import datetime
from fastmcp import MCP, Tool
# In-memory store backed by JSON file
DATA_FILE = "memory_store.json"
class MemoryStore:
@@ -21,7 +20,6 @@ class MemoryStore:
def _key(self, key: str, namespace: str = None) -> str:
return f"{namespace}:{key}" if namespace else key
# CRUD operations
def save(self, key: str, value: str):
self.store[self._key(key)] = {"value": value, "timestamp": datetime.utcnow().isoformat()}
self._save()
@@ -34,9 +32,8 @@ class MemoryStore:
self._save()
def list_keys(self):
return [k for k in self.store.keys()]
return list(self.store.keys())
# Namespace helpers
def save_with_namespace(self, namespace: str, key: str, value: str):
self.store[self._key(key, namespace)] = {"value": value, "timestamp": datetime.utcnow().isoformat()}
self._save()
@@ -44,28 +41,22 @@ class MemoryStore:
def get_by_namespace(self, namespace: str, key: str) -> str:
return self.store.get(self._key(key, namespace), {}).get("value")
# Instantiate store
store = MemoryStore()
# Define tools for MCP
@Tool(name="save", description="Save a value under a key")
def save_tool(args):
key = args["key"]
value = args["value"]
store.save(key, value)
return f"Saved {key}"
store.save(args["key"], args["value"])
return f"Saved {args['key']}"
@Tool(name="get", description="Get value by key")
def get_tool(args):
key = args["key"]
val = store.get(key)
val = store.get(args["key"])
return val if val is not None else "Key not found"
@Tool(name="delete", description="Delete a key")
def delete_tool(args):
key = args["key"]
store.delete(key)
return f"Deleted {key}"
store.delete(args["key"])
return f"Deleted {args['key']}"
@Tool(name="list_keys", description="List all keys")
def list_keys_tool(_):
@@ -73,20 +64,14 @@ def list_keys_tool(_):
@Tool(name="save_with_namespace", description="Save value under key in namespace")
def save_ns_tool(args):
ns = args["namespace"]
key = args["key"]
val = args["value"]
store.save_with_namespace(ns, key, val)
return f"Saved {ns}:{key}"
store.save_with_namespace(args["namespace"], args["key"], args["value"])
return f"Saved {args['namespace']}:{args['key']}"
@Tool(name="get_by_namespace", description="Get value by key in namespace")
def get_ns_tool(args):
ns = args["namespace"]
key = args["key"]
val = store.get_by_namespace(ns, key)
val = store.get_by_namespace(args["namespace"], args["key"])
return val if val is not None else "Key not found"
# Create MCP instance and register tools
mcp = MCP()
mcp.register_tool(save_tool)
mcp.register_tool(get_tool)