diff --git a/lua/cosmic/core/init.lua b/lua/cosmic/core/init.lua
index bc09c9f..9f7a246 100644
--- a/lua/cosmic/core/init.lua
+++ b/lua/cosmic/core/init.lua
@@ -1,6 +1,6 @@
 local cosmic_modules = {
-  'cosmic.core.pluginsInit',
   'cosmic.core.editor',
+  'cosmic.core.pluginsInit',
   'cosmic.core.commands',
   'cosmic.core.mappings',
   'cosmic.lsp',
diff --git a/lua/cosmic/core/user.lua b/lua/cosmic/core/user.lua
index 5c66de6..2907622 100644
--- a/lua/cosmic/core/user.lua
+++ b/lua/cosmic/core/user.lua
@@ -18,6 +18,8 @@ local default_config = {
     format_on_save = true, -- true/false or table of filetypes {'.ts', '.js',}
     format_timeout = 3000,
     rename_notification = true,
+    -- table of callbacks pushed via plugins
+    on_attach_mappings = {},
     -- lsp servers that should be installed
     ensure_installed = {
       'astro',
@@ -59,6 +61,10 @@ local default_config = {
 local u = require('cosmic.utils')
 local config = u.merge(default_config, user_config)
 
+function config.lsp.add_on_attach_mapping(callback)
+  table.insert(config.lsp.on_attach_mappings, callback)
+end
+
 function config.lsp.can_client_format(client)
   -- formatting enabled by default if server=true
   if config.lsp.servers[client.name] == true then
diff --git a/lua/cosmic/lsp/mappings.lua b/lua/cosmic/lsp/mappings.lua
index 981779e..94c2a35 100644
--- a/lua/cosmic/lsp/mappings.lua
+++ b/lua/cosmic/lsp/mappings.lua
@@ -1,40 +1,38 @@
-local map = require('cosmic.utils').map
+local u = require('cosmic.utils')
 local M = {}
 
 -- Mappings.
 function M.init(client, bufnr)
-  local function buf_map(mode, lhs, rhs)
-    map(mode, lhs, rhs, {
-      buffer = bufnr,
-    })
-  end
+  local buf_map = u.create_buf_map({
+    buffer = bufnr,
+    noremap = false,
+  })
 
-  buf_map('n', 'gd', '<cmd>lua require("telescope.builtin").lsp_definitions()<cr>')
+  buf_map('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>')
   buf_map('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>')
-  buf_map('n', 'gi', '<cmd>lua require("telescope.builtin").lsp_implementations()<cr>')
-  buf_map('n', 'gt', '<cmd>lua require("telescope.builtin").lsp_type_definitions()<cr>')
-  buf_map('n', 'gr', '<cmd>lua require("telescope.builtin").lsp_references()<cr>')
-  buf_map('n', 'gn', '<cmd>lua require("cosmic-ui").rename()<cr>')
+  buf_map('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>')
+  buf_map('n', 'gt', '<cmd>lua vim.lsp.buf.type_definition()<cr>')
+  buf_map('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>')
 
   -- diagnostics
   buf_map('n', '[g', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
   buf_map('n', ']g', '<cmd>lua vim.diagnostic.goto_next()<cr>')
   buf_map('n', 'ge', '<cmd>lua vim.diagnostic.open_float(nil, { scope = "line", })<cr>')
-  buf_map('n', '<leader>ge', '<cmd>Telescope diagnostics bufnr=0<cr>')
+  buf_map('n', '<leader>ge', '<cmd>lua vim.diagnostic.open_float(nil, { scope = "buffer", })<cr>')
 
   -- hover
   buf_map('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
 
   -- code actions
-  buf_map('n', '<leader>ga', '<cmd>lua require("cosmic-ui").code_actions()<cr>')
-  buf_map('v', '<leader>ga', '<cmd>lua require("cosmic-ui").range_code_actions()<cr>')
+  buf_map('n', 'gn', '<cmd>lua vim.lsp.buf.rename()<cr>')
+  buf_map('n', '<leader>ga', '<cmd>lua vim.lsp.buf.code_actions()<cr>')
+  buf_map('v', '<leader>ga', '<cmd>lua vim.lsp.buf.range_code_actions()<cr>')
 
   -- formatting
   buf_map('n', '<leader>gf', '<cmd>lua vim.lsp.buf.formatting()<cr>')
   buf_map('v', '<leader>gf', '<cmd>lua vim.lsp.buf.range_formatting()<cr>')
 
   -- lsp workspace
-  buf_map('n', '<leader>wd', '<cmd>Telescope diagnostics<cr>')
   buf_map('n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<cr>')
   buf_map('n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<cr>')
   buf_map(
@@ -42,13 +40,6 @@ function M.init(client, bufnr)
     '<leader>wl',
     '<cmd>lua require("cosmic.utils.logger"):log(vim.inspect(vim.lsp.buf.list_workspace_folders()))<cr>'
   )
-
-  if client.name == 'tsserver' then
-    -- typescript helpers
-    buf_map('n', '<leader>gr', ':TSLspRenameFile<CR>')
-    buf_map('n', '<leader>go', ':TSLspOrganize<CR>')
-    buf_map('n', '<leader>gi', ':TSLspImportAll<CR>')
-  end
 end
 
 return M
diff --git a/lua/cosmic/lsp/providers/defaults.lua b/lua/cosmic/lsp/providers/defaults.lua
index c90a8f8..eaf956f 100644
--- a/lua/cosmic/lsp/providers/defaults.lua
+++ b/lua/cosmic/lsp/providers/defaults.lua
@@ -38,7 +38,13 @@ function M.on_attach(client, bufnr)
     end
   end
 
+  -- set up default mappings
   require('cosmic.lsp.mappings').init(client, bufnr)
+
+  -- set up any additional mappings/overrides from user config
+  for _, callback in pairs(user_config.lsp.on_attach_mappings) do
+    callback(client, bufnr)
+  end
 end
 
 M.capabilities = capabilities
diff --git a/lua/cosmic/plugins/cosmic-ui/init.lua b/lua/cosmic/plugins/cosmic-ui/init.lua
index 37b7b19..91c66cb 100644
--- a/lua/cosmic/plugins/cosmic-ui/init.lua
+++ b/lua/cosmic/plugins/cosmic-ui/init.lua
@@ -13,6 +13,17 @@ return {
   config = function()
     require('cosmic-ui').setup(u.merge(defaults, user_config.plugins.cosmic_ui or {}))
   end,
+  init = function()
+    user_config.lsp.add_on_attach_mapping(function(client, bufnr)
+      local buf_map = u.create_buf_map({
+        buffer = bufnr,
+      })
+
+      buf_map('n', 'gn', '<cmd>lua require("cosmic-ui").rename()<cr>')
+      buf_map('n', '<leader>ga', '<cmd>lua require("cosmic-ui").code_actions()<cr>')
+      buf_map('v', '<leader>ga', '<cmd>lua require("cosmic-ui").range_code_actions()<cr>')
+    end)
+  end,
   event = 'VeryLazy',
   enabled = not vim.tbl_contains(user_config.disable_builtin_plugins, 'cosmic-ui'),
 }
diff --git a/lua/cosmic/plugins/nvim-lsp-ts-utils/init.lua b/lua/cosmic/plugins/nvim-lsp-ts-utils/init.lua
index 1c8e17e..c225f4a 100644
--- a/lua/cosmic/plugins/nvim-lsp-ts-utils/init.lua
+++ b/lua/cosmic/plugins/nvim-lsp-ts-utils/init.lua
@@ -1,6 +1,20 @@
 local user_config = require('cosmic.core.user')
+local u = require('cosmic.utils')
 
 return {
   'jose-elias-alvarez/nvim-lsp-ts-utils',
+  init = function()
+    user_config.lsp.add_on_attach_mapping(function(client, bufnr)
+      if client.name == 'tsserver' then
+        local buf_map = u.create_buf_map({
+          buffer = bufnr,
+        })
+        -- typescript helpers
+        buf_map('n', '<leader>gr', ':TSLspRenameFile<CR>')
+        buf_map('n', '<leader>go', ':TSLspOrganize<CR>')
+        buf_map('n', '<leader>gi', ':TSLspImportAll<CR>')
+      end
+    end)
+  end,
   enabled = not vim.tbl_contains(user_config.disable_builtin_plugins, 'nvim-lsp-ts-utils'),
 }
diff --git a/lua/cosmic/plugins/telescope/init.lua b/lua/cosmic/plugins/telescope/init.lua
index 0a0b529..8bcca30 100644
--- a/lua/cosmic/plugins/telescope/init.lua
+++ b/lua/cosmic/plugins/telescope/init.lua
@@ -13,7 +13,24 @@ return {
     require('cosmic.plugins.telescope.config')
   end,
   init = function()
+    -- normal mappings
     require('cosmic.plugins.telescope.mappings').init()
+
+    user_config.lsp.add_on_attach_mapping(function(client, bufnr)
+      local map = require('cosmic.utils').map
+      local function buf_map(mode, lhs, rhs)
+        map(mode, lhs, rhs, {
+          buffer = bufnr,
+        })
+      end
+
+      buf_map('n', 'gd', '<cmd>Telescope lsp_definitions<cr>')
+      buf_map('n', 'gi', '<cmd>Telescope lsp_implementations<cr>')
+      buf_map('n', 'gt', '<cmd>Telescope lsp_type_definitions<cr>')
+      buf_map('n', 'gr', '<cmd>Telescope lsp_references<cr>')
+      buf_map('n', '<leader>ge', '<cmd>Telescope diagnostics bufnr=0<cr>')
+      buf_map('n', '<leader>wd', '<cmd>Telescope diagnostics<cr>')
+    end)
   end,
   cmd = { 'Telescope' },
   keys = {
diff --git a/lua/cosmic/utils/init.lua b/lua/cosmic/utils/init.lua
index 11e9211..894acb9 100644
--- a/lua/cosmic/utils/init.lua
+++ b/lua/cosmic/utils/init.lua
@@ -8,6 +8,12 @@ function M.map(mode, lhs, rhs, opts)
   vim.keymap.set(mode, lhs, rhs, M.merge(defaults, opts or {}))
 end
 
+function M.create_buf_map(opts)
+  return function(mode, lhs, rhs)
+    M.map(mode, lhs, rhs, opts or {})
+  end
+end
+
 function M.merge_list(tbl1, tbl2)
   for _, v in ipairs(tbl2) do
     table.insert(tbl1, v)