Neovim Integration
Summary
This Neovim MCP server, developed by Derek White (bigcodegen), integrates Claude Desktop with Neovim using the Model Context Protocol and the official neovim/node-client library. It leverages Vim's native text editing commands to create a lightweight code assistance layer, allowing AI to interact directly with Neovim sessions. The server connects to a running Nvim instance, providing tools to view and edit buffers, execute Vim commands, and retrieve editor status. By abstracting Neovim's complexities, it enables AI assistants to seamlessly work within the familiar Vim environment. This implementation is particularly useful for developers seeking AI-enhanced coding assistance within their preferred text editor, facilitating tasks such as code review, refactoring, and context-aware suggestions without leaving the Neovim ecosystem.
Available Actions(19)
vim_buffer
Get buffer contents with line numbers. Parameters: filename (string, optional) - Get specific buffer by filename. Returns numbered lines with buffer content.
vim_command
Send a command to VIM for navigation, spot editing, and line deletion. Parameters: command (string) - Runs vim commands with nvim.replaceTermcodes. Shell commands supported with '!' prefix when ALLOW_SHELL_COMMANDS=true.
vim_status
Get comprehensive Neovim status. Returns cursor position, mode, filename, visual selection, window layout, current tab, marks, registers, working directory, LSP client info, and plugin detection.
vim_edit
Edit lines using insert, replace, or replaceAll modes. Parameters: startLine (number), mode ('insert' | 'replace' | 'replaceAll'), lines (string).
vim_window
Manipulate Neovim windows (split, vsplit, close, navigate). Parameters: command (string: 'split', 'vsplit', 'only', 'close', 'wincmd h/j/k/l').
vim_mark
Set named marks at specific positions. Parameters: mark (string: a-z), line (number), column (number).
vim_register
Set content of registers. Parameters: register (string: a-z or '), content (string).
vim_visual
Create visual mode selections. Parameters: startLine (number), startColumn (number), endLine (number), endColumn (number).
vim_buffer_switch
Switch between buffers by name or number. Parameters: identifier (string | number) - Buffer name or number.
vim_buffer_save
Save current buffer or save to specific filename. Parameters: filename (string, optional) - Save to specific file.
vim_file_open
Open files into new buffers. Parameters: filename (string) - File to open.
vim_search
Search within current buffer with regex support. Parameters: pattern (string), ignoreCase (boolean, optional), wholeWord (boolean, optional).
vim_search_replace
Find and replace with advanced options. Parameters: pattern (string), replacement (string), global (boolean, optional), ignoreCase (boolean, optional), confirm (boolean, optional).
vim_grep
Project-wide search using vimgrep with quickfix list. Parameters: pattern (string), filePattern (string, optional) - File pattern to search.
vim_macro
Record, stop, and play Vim macros. Parameters: action ('record' | 'stop' | 'play'), register (string: a-z), count (number, optional).
vim_tab
Complete tab management. Parameters: action ('new' | 'close' | 'next' | 'prev' | 'first' | 'last' | 'list'), filename (string, optional).
vim_fold
Code folding operations. Parameters: action ('create' | 'open' | 'close' | 'toggle' | 'openall' | 'closeall' | 'delete'), startLine/endLine (numbers, for create).
vim_jump
Jump list navigation. Parameters: direction ('back' | 'forward' | 'list').
vim_health
Check Neovim connection health and socket status.
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