"osu!" matching MCP servers:

Provides transactional intelligence for AI agents, enabling safe tool execution with pre-flight invariant checks, sub-second filesystem snapshots/rollback, causal tracing, belief contradiction detection, and 15 native MCP tools for Claude Code.

Enables interaction with z/OS mainframe systems via FTP, including dataset listing/download/upload, JCL job submission and monitoring, with advanced text processing and pagination support.

An MCP server for macOS that shares selected folders with NeuralNexus, enabling AI avatars to read local files and analyze Apple Health data via a secure outbound relay.

A secure MCP server that gives ChatGPT access to local terminal, files, and background processes, and lets it discover, manage, and call any registered MCP server on the machine.

Remote MCP server for Obsidian vault access, giving Claude read/search/archive access to markdown notes via OAuth 2.1 + PKCE auth.

Enables safe local system command execution, file operations, hardware diagnostics, and persistent cross-session memory storage via SQLite.

An MCP server exposing narrowly scoped storage workflows with Overseer approval integration and redacted execution evidence, currently in fixture-only development for testing via stdio.