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assistant/mcphub-nvim: init
This commit is contained in:
Farouk Brown
parent
e48638aef3
commit
bdd10b3918
9 changed files with 484 additions and 1 deletions
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@ -5,5 +5,6 @@
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./codecompanion
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./supermaven-nvim
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./avante
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./mcphub
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];
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}
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104
modules/plugins/assistant/mcphub/config.nix
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104
modules/plugins/assistant/mcphub/config.nix
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@ -0,0 +1,104 @@
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{
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config,
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lib,
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...
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}: let
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inherit (lib.modules) mkIf;
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cfg = config.vim.assistant.mcphub-nvim;
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in {
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config = mkIf cfg.enable {
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vim = {
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startPlugins = [
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"plenary-nvim"
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];
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lazy.plugins = {
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mcphub-nvim = {
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package = "mcphub-nvim";
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setupModule = "mcphub";
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inherit (cfg) setupOpts;
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event = ["DeferredUIEnter"];
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};
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};
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# avante-nvim
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assistant.avante-nvim.setupOpts = {
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system_prompt = lib.generators.mkLuaInline ''
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function()
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local hub = require("mcphub").get_hub_instance()
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return hub and hub:get_active_servers_prompt() or ""
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end
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'';
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custom_tools = lib.generators.mkLuaInline ''
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function()
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return {
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require("mcphub.extensions.avante").mcp_tool(),
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}
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end
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'';
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};
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# codecompanion-nvim
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assistant.codecompanion-nvim.setupOpts.extensions.mcphub = {
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callback = "mcphub.extensions.codecompanion";
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opts = {
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## MCP Tools
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make_tools = true;
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show_server_tools_in_chat = true;
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add_mcp_prefix_to_tool_names = false;
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show_result_in_chat = true;
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format_tool = null;
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## MCP Resources
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make_vars = true;
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## MCP Prompts
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make_slash_commands = true;
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};
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};
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# lualine
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statusline.lualine.setupOpts.sections.lualine_x = lib.generators.mkLuaInline ''
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{{
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function()
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-- Check if MCPHub is loaded
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if not vim.g.loaded_mcphub then
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return " -"
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end
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local count = vim.g.mcphub_servers_count or 0
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local status = vim.g.mcphub_status or "stopped"
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local executing = vim.g.mcphub_executing
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-- Show "-" when stopped
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if status == "stopped" then
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return " -"
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end
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-- Show spinner when executing, starting, or restarting
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if executing or status == "starting" or status == "restarting" then
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local frames = { "⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏" }
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local frame = math.floor(vim.loop.now() / 100) % #frames + 1
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return " " .. frames[frame]
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end
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return " " .. count
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end,
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color = function()
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if not vim.g.loaded_mcphub then
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return { fg = "#6c7086" } -- Gray for not loaded
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end
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local status = vim.g.mcphub_status or "stopped"
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if status == "ready" or status == "restarted" then
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return { fg = "#50fa7b" } -- Green for connected
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elseif status == "starting" or status == "restarting" then
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return { fg = "#ffb86c" } -- Orange for connecting
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else
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return { fg = "#ff5555" } -- Red for error/stopped
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end
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end,
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},}
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'';
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};
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};
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}
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6
modules/plugins/assistant/mcphub/default.nix
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6
modules/plugins/assistant/mcphub/default.nix
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{
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imports = [
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./config.nix
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./mcphub-nvim.nix
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];
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}
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291
modules/plugins/assistant/mcphub/mcphub-nvim.nix
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291
modules/plugins/assistant/mcphub/mcphub-nvim.nix
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@ -0,0 +1,291 @@
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{lib, ...}: let
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inherit (lib.options) mkOption mkEnableOption literalMD;
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inherit (lib.types) int bool enum str nullOr attrs listOf either attrsOf anything;
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inherit (lib.strings) toUpper;
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inherit (lib.nvim.types) mkPluginSetupOption luaInline;
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inherit (lib.generators) mkLuaInline;
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in {
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options.vim.assistant = {
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mcphub-nvim = {
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enable = mkEnableOption "MCPHub";
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setupOpts = mkPluginSetupOption "mcphub-nvim" {
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use_bundled_binary =
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mkEnableOption "Use local `mcp-hub` binary."
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// {
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default = true;
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};
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port = mkOption {
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type = int;
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default = 37373;
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description = "The port for the mcp-hub Express server.";
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};
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server_url = mkOption {
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type = nullOr str;
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default = null;
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description = "The URL for the mcp-hub server in cases where it is hosted somewhere else.";
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example = "http://mydomain.com:customport";
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};
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config_path = mkOption {
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type = str;
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default = "~/.config/mcphub/servers.json";
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description = "The absolute path to your mcpservers.json configuration file. Defaults to ~/.config/mcphub/servers.json in Lua.";
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example = "~/.config/nvim/mcpservers.json";
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};
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shutdown_delay = mkOption {
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type = int;
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default = 300000; # 5 minutes in milliseconds
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description = "The delay in milliseconds before the server shuts down when the last client disconnects.";
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};
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request_timeout = mkOption {
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type = int;
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default = 60000;
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description = "Timeout for MCP requests in milliseconds.";
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};
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auto_approve = mkOption {
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type = either luaInline bool;
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default = false;
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description = ''
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How to approve MCP calls.
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The system checks auto-approval in this order:
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1. Function: Custom auto_approve function (if provided)
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1. Server-specific: autoApprove field in server config
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1. Default: Show confirmation dialog
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'';
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};
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auto_toggle_servers =
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mkEnableOption "Let LLMs start and stop MCP servers automatically."
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// {
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default = true;
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};
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cmd = mkOption {
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type = nullOr str;
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default = null;
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description = "Custom command to start the mcp-hub binary.";
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};
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cmd_args = mkOption {
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type = nullOr (listOf str);
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default = null;
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description = "Custom arguments for the mcp-hub command.";
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};
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global_env = mkOption {
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type = nullOr (either luaInline (attrsOf anything));
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default = null;
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description = ''
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Global environment variables available to all MCP servers.
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You can use either a table or a function that returns a table.
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'';
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};
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log = {
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level = mkOption {
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description = "Logging level, e.g., 'vim.log.levels.WARN'.";
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type = enum ["debug" "info" "warn" "error" "trace"];
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default = "info";
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apply = filter: mkLuaInline "vim.log.levels.${toUpper filter}";
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};
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to_file = mkEnableOption "log to a file.";
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file_path = mkOption {
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type = nullOr str;
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default = null;
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description = "Path to the log file.";
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};
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prefix = mkOption {
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type = str;
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default = "MCPHub";
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description = "The prefix for log messages.";
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};
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};
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ui = {
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window = mkOption {
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type = attrs;
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default = {
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width = 0.8;
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height = 0.8;
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align = "center";
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relative = "editor";
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zindex = 50;
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border = "rounded";
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};
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description = "Options for the UI window.";
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};
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wo = mkOption {
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type = attrs;
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default = {
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winhl = "Normal:MCPHubNormal,FloatBorder:MCPHubBorder";
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};
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description = "Window options.";
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};
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};
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extensions = {
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avante = {
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enabled =
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mkEnableOption "the Avante extension."
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// {
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default = true;
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};
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make_slash_commands =
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mkEnableOption "create slash commands for Avante."
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// {
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default = true;
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};
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};
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copilotchat = {
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enabled =
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mkEnableOption "the CopilotChat extension."
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// {
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default = true;
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};
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convert_tools_to_functions =
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mkEnableOption "convert tools to functions."
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// {
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default = true;
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};
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convert_resources_to_functions =
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mkEnableOption "convert resources to functions."
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// {
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default = true;
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};
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add_mcp_prefix = mkEnableOption "add an mcp prefix.";
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};
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};
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builtin_tools = {
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edit_file = {
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parser = {
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track_issues =
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mkEnableOption "track issues during parsing."
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// {
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default = true;
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};
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extract_inline_content =
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mkEnableOption "extract inline content."
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// {
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default = true;
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};
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};
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locator = {
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fuzzy_threshold = mkOption {
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type = nullOr int;
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default = null;
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description = "Fuzzy matching threshold.";
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};
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enable_fuzzy_matching =
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mkEnableOption "fuzzy matching."
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// {
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default = true;
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};
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};
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ui = {
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go_to_origin_on_complete =
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mkEnableOption "go to the origin on complete."
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// {
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default = true;
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};
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keybindings = mkOption {
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type = attrs;
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default = {
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accept = ".";
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reject = ",";
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next = "n";
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prev = "p";
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accept_all = "ga";
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reject_all = "gr";
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};
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description = "Keybindings for the edit file UI.";
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};
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};
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};
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};
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workspace = {
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enabled =
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mkEnableOption "workspace-specific hubs."
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// {
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default = true;
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};
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look_for = mkOption {
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type = listOf str;
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default = [".mcphub/servers.json" ".vscode/mcp.json" ".cursor/mcp.json"];
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description = "Files to search for in order.";
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};
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reload_on_dir_changed =
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mkEnableOption "listen to DirChanged events to reload workspace config."
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// {
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default = true;
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};
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port_range = mkOption {
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type = attrs;
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default = {
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min = 40000;
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max = 41000;
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};
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description = "Port range for workspace hubs, with `min` and `max` attributes.";
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};
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get_port = mkOption {
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type = nullOr luaInline;
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default = null;
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description = "Function that returns the port.";
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};
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};
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on_ready = mkOption {
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type = luaInline;
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default = mkLuaInline ''
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function() end
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'';
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description = ''
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A Lua function to be executed once the mcp-hub server is ready.
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It receives the hub object as an argument.
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'';
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example = literalMD ''
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```lua
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function(hub)
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vim.notify('MCPHub is ready', vim.log.levels.INFO)
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end
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```
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'';
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};
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on_error = mkOption {
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type = luaInline;
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default = mkLuaInline ''
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function(msg) end
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'';
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description = ''
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A Lua function to be executed when an error occurs.
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It receives the error message as an argument.
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'';
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example = literalMD ''
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```lua
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function(msg)
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vim.notify('An error occurred in MCPHub: ' .. msg, vim.log.levels.ERROR)
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end
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```
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'';
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};
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json_decode = mkOption {
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type = nullOr luaInline;
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default = null;
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description = ''
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Custom JSON parser function for configuration files.
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This is particularly useful for supporting JSON5 syntax (comments and trailing commas).
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'';
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};
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};
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};
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};
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}
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