diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..88cfe3d
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,15 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{lua,tl,d.tl,rockspec,luacheckrc}]
+indent_size = 3
+
+[*.json]
+indent_size = 2
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0084403
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+/luarocks
+/lua
+/lua_modules
+/.luarocks
+/build
diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..1e30a8e
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,11 @@
+std = "lua54"
+cache = true
+
+files[".luacheckrc"].std = "+luacheckrc"
+files[".rockspec"].std = "+rockspec"
+
+include_files = {
+   "src/",
+   "*.rockspec",
+   "*.luacheckrc",
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..07b34a0
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+  "cSpell.words": ["fname", "luacheckrc", "rockspec", "traceback"],
+  "editor.formatOnPaste": true,
+  "editor.formatOnSave": true,
+  "files.associations": {
+    ".luacheckrc": "lua",
+    "*.rockspec": "lua"
+  }
+}
diff --git a/busted-tl-dev-1.rockspec b/busted-tl-dev-1.rockspec
new file mode 100644
index 0000000..50d293c
--- /dev/null
+++ b/busted-tl-dev-1.rockspec
@@ -0,0 +1,44 @@
+rockspec_format = "3.0"
+package = "busted-tl"
+version = "dev-1"
+
+source = {
+   url = "*** please add URL for source tarball, zip or repository here ***",
+}
+
+description = {
+   homepage = "*** please enter a project homepage ***",
+   license = "*** please specify a license ***",
+}
+
+dependencies = {
+   "lua >= 5.1",
+   "penlight >= 1.3.2",
+   "busted",
+   "tl",
+}
+
+build_dependencies = {
+   "cyan",
+}
+
+build = {
+   type = "command",
+   build_command = "cyan build",
+   install = {
+      lua = {
+         ["busted.modules.files.teal"] = "build/busted-tl/teal.lua",
+      },
+   },
+}
+
+test_dependencies = {
+   "busted",
+}
+
+test = {
+   type = "busted",
+   flags = {
+      "--loaders=teal",
+   },
+}
diff --git a/spec/teal_spec.tl b/spec/teal_spec.tl
new file mode 100644
index 0000000..2e4b0d7
--- /dev/null
+++ b/spec/teal_spec.tl
@@ -0,0 +1,20 @@
+global describe: function(string, function)
+global it: function(string, function)
+
+-- Teal generates an empty table for record declaration.
+-- For now we'll bypass any usage of the assert module and
+-- use the global assert function instead.
+
+-- global record assert
+--     are_equal: function(any, any)
+-- end
+
+describe("Teal tests", function()
+   it("works", function()
+      -- This is a Teal specific syntax.
+      local a: number = 1
+
+      assert(a == 1, "This test uses Teal's syntax!")
+      -- assert.are_equal(a, 1)
+   end)
+end)
diff --git a/src/busted-tl/teal.tl b/src/busted-tl/teal.tl
new file mode 100644
index 0000000..d3ac570
--- /dev/null
+++ b/src/busted-tl/teal.tl
@@ -0,0 +1,53 @@
+local file = require("pl.file")
+local path = require("pl.path")
+
+local type Busted = record
+   publish: function
+end
+
+local type Info = record
+   traceback: string
+   short_src: string
+end
+
+local teal_available, tl = pcall(require, 'tl')
+
+local rewrite_filename = function(filename: string): string
+   return filename:match('string "(.+)"') or filename
+end
+
+local rewriteMessage = function(_filename: string, message: string): string
+   local fname, line, msg = message:match('^([^\n]-):(%d+): (.*)')
+   if not fname then
+      return message
+   end
+
+   fname = rewrite_filename(fname)
+
+   return fname .. ':' .. tostring(line) .. ': ' .. msg
+end
+
+local getTrace = function(_filename: string, info: Info): Info
+   local index = info.traceback:find('\n%s*%[C]')
+   info.traceback = info.traceback:sub(1, index)
+   info.short_src = rewrite_filename(info.short_src)
+   return info
+end
+
+local record ret
+end
+
+function ret.match(_busted: Busted, filename: string): boolean
+   return teal_available and path.extension(filename) == '.tl'
+end
+
+function ret.load(busted: Busted, filename: string): function, function, function
+   local content = file.read(filename)
+   local program, err = tl.load(content, filename)
+   if not program then
+      busted.publish({ 'error', 'file' }, { descriptor = 'file', name = filename }, nil, err, {})
+   end
+   return program, getTrace, rewriteMessage
+end
+
+return ret
diff --git a/stylua.toml b/stylua.toml
new file mode 100644
index 0000000..3c5eb9c
--- /dev/null
+++ b/stylua.toml
@@ -0,0 +1,6 @@
+column_width = 80
+line_endings = "Unix"
+indent_type = "Spaces"
+indent_width = 3
+quote_style = "AutoPreferDouble"
+no_call_parentheses = true
diff --git a/tlconfig.lua b/tlconfig.lua
new file mode 100644
index 0000000..48fbdf1
--- /dev/null
+++ b/tlconfig.lua
@@ -0,0 +1,7 @@
+return {
+   build_dir = "build",
+   source_dir = "src",
+   include_dir = {
+      "types",
+   },
+}
diff --git a/types/pl.d.tl b/types/pl.d.tl
new file mode 100644
index 0000000..0e1cfa3
--- /dev/null
+++ b/types/pl.d.tl
@@ -0,0 +1,10 @@
+local record pl
+   record file
+      read: function(string): string
+   end
+   record path
+      extension: function(string): string
+   end
+end
+
+return pl
diff --git a/types/pl/file.d.tl b/types/pl/file.d.tl
new file mode 100644
index 0000000..99048f6
--- /dev/null
+++ b/types/pl/file.d.tl
@@ -0,0 +1 @@
+return require("pl").file
diff --git a/types/pl/path.d.tl b/types/pl/path.d.tl
new file mode 100644
index 0000000..4b09f9d
--- /dev/null
+++ b/types/pl/path.d.tl
@@ -0,0 +1 @@
+return require("pl").path
\ No newline at end of file