diff --git a/.config/nvim/lua/plugins/conform.lua b/.config/nvim/lua/plugins/conform.lua
new file mode 100644
index 00000000..08d80193
--- /dev/null
+++ b/.config/nvim/lua/plugins/conform.lua
@@ -0,0 +1,35 @@
+return {
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = {
+      formatters = {
+        ["markdown-toc"] = {
+          condition = function(_, ctx)
+            for _, line in ipairs(vim.api.nvim_buf_get_lines(ctx.buf, 0, -1, false)) do
+              if line:find("<!%-%- toc %-%->") then
+                return true
+              end
+            end
+          end,
+        },
+        ["markdownlint-cli2"] = {
+          condition = function(_, ctx)
+            local diag = vim.tbl_filter(function(d)
+              return d.source == "markdownlint"
+            end, vim.diagnostic.get(ctx.buf))
+            return #diag > 0
+          end,
+        },
+      },
+      formatters_by_ft = {
+        ["markdown"] = { "prettier", "markdownlint-cli2", "markdown-toc" },
+        ["markdown.mdx"] = { "prettier", "markdownlint-cli2", "markdown-toc" },
+      },
+    },
+  },
+  {
+    "williamboman/mason.nvim",
+    opts = { ensure_installed = { "markdownlint-cli2", "markdown-toc" } },
+  },
+}