basic lua tools

1 files changed, 22 insertions, 0 deletions

diff --git a/examples/extensions/echo.lua b/examples/extensions/echo.lua
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index 0000000..d13920e
--- /dev/null
+++ b/examples/extensions/echo.lua
@@ -0,0 +1,22 @@
+-- A trivial Lua tool that echoes back whatever the LLM asks it to.
+-- Useful for exercising the panto CLI's Lua extension path end-to-end.
+--
+-- Load with: panto --lua examples/extensions/echo.lua
+
+panto.register_tool {
+    name = "echo",
+    description = "Echo back the given message. Useful for testing whether tools work.",
+    schema = {
+        type = "object",
+        properties = {
+            message = {
+                type = "string",
+                description = "The text to echo back.",
+            },
+        },
+        required = { "message" },
+    },
+    handler = function(input)
+        return "echo: " .. input.message
+    end,
+}