Connect agents to tools and data through the Model Context Protocol
Serena is an open-source MCP toolkit for coding agents. It uses language servers or an optional JetBrains backend to provide symbol search, reference lookup, rename, and structured code editing, with official setup for Codex CLI and App.
A local tool server for desktop MCP clients, exposing file read/write and search, surgical edits, terminal commands, process management, and structured-data analysis over STDIO. Its broad host permissions require narrow directory scope and container or VM isolation for sensitive work.
