From 085133e1b87d56edc9f0542ea830ca0a385204c0 Mon Sep 17 00:00:00 2001
From: Joel Kronqvist <joel.kronqvist@iki.fi>
Date: Sun, 11 Oct 2026 14:57:58 +0300
Subject: feat: mypy action

---
 actions.py | 15 +++++++++++++++
 llm.py     |  5 +++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/actions.py b/actions.py
index dfeebc3..589dd51 100644
--- a/actions.py
+++ b/actions.py
@@ -106,6 +106,20 @@ def _shell(args: JSON, config: AgentConfig) -> JSON:
         }
 
 
+def _mypy(args: JSON, config: AgentConfig) -> JSON:
+    '{"action": "mypy", "path": PATH} - run mypy type checking on PATH'
+    try:
+        res = subprocess.run(
+            ["mypy", args["path"]],
+            cwd=config.workdir,
+            capture_output=True,
+            text=True,
+        )
+        return {"status": "success", "stdout": res.stdout, "stderr": res.stderr}
+    except Exception as e:
+        return {"status": "error", "reason": f"An unexpected error occurred: {e}"}
+
+
 ls = Action("ls", _ls.__doc__ or "", _ls)
 read = Action("read", _read.__doc__ or "", _read)
 write = Action(
@@ -121,3 +135,4 @@ shell = Action(
     _shell,
     formatter=lambda args: f"shell command `{args['command']}`",
 )
+mypy = Action("mypy", _mypy.__doc__ or "", _mypy)
diff --git a/llm.py b/llm.py
index 649f927..bea4536 100755
--- a/llm.py
+++ b/llm.py
@@ -144,15 +144,16 @@ def main():
 
     config = AgentConfig(
         workdir=args.workdir,
-        actions=[ls, read, write, tldr, shell],
+        actions=[ls, read, write, tldr, shell, mypy],
         trustlevels={
             "ls": 0,
             "read": 0,
             "tldr": 0,
+            "mypy": 0,
             "write": 1,
             "shell": 2,
         },
-        trustlevel=0,
+        trustlevel=1,
     )
 
     state = (
-- 
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