"Local" matching MCP connectors:

A markdown notes app with a built-in remote MCP server. Connect it as a Claude connector and Claude can read, create, update, and search your notes without leaving the conversation. Supports OAuth 2.1 and Streamable HTTP – no local server setup required.

Open-source Obsidian for MDX - edit local docs with agent assistance

Search, read, and write your Apple Notes from ChatGPT/Claude via a local Mac agent + MCP relay.