diff --git a/Todo.md b/Todo.md
new file mode 100644
index 0000000..56728ad
--- /dev/null
+++ b/Todo.md
@@ -0,0 +1,30 @@
+# To do
+
+* migrate this todo list into entomologist
+
+* teach it to work with a git branch
+    - unpack the branch to a directory with `git worktree ${TMPDIR} ${BRANCH}`
+    - operate on the issues in that worktree
+    - git commit the result back to ${BRANCH}
+    - delete and prune the worktree
+
+* implement `ent new`
+
+* implement user control over state transitions
+
+* implement `ent comment ${ISSUE} [-m ${MESSAGE}]`
+    - each issue dir has a `comments` subdir
+    - each comment is identified by a sha1-style uid
+    - each comment is a file or directory under the `${ISSUE}/comments`
+    - comments are ordered by ctime?
+
+* implement `ent edit ${ISSUE} [-t ${TITLE}] [-d ${DESCRIPTION}]`
+    - or would it be better to put the title and description together into a new `message`, like git commits?
+
+* implement `ent edit ${COMMENT}`
+
+* implement `ent attach ${ISSUE} ${FILE}`
+    - each issue has its own independent namespace for attached files
+    - issue description & comments can reference attached files via standard md links
+
+* write a manpage
diff --git a/src/bin/ent/main.rs b/src/bin/ent/main.rs
index 238bbe3..53ecf9d 100644
--- a/src/bin/ent/main.rs
+++ b/src/bin/ent/main.rs
@@ -16,14 +16,12 @@ struct Args {
 enum Commands {
     /// List issues.
     List,
-    // Mdbook {
-    //     /// The name of the recipe to create MD Book for.
-    //     target: String,
-    // },
-    // Info {
-    //     /// The name of the recipe to show info for.
-    //     target: String,
-    // },
+
+    /// Create a new issue.
+    New {
+        title: Option<String>,
+        description: Option<String>,
+    },
 }
 
 fn main() -> anyhow::Result<()> {
@@ -38,6 +36,12 @@ fn main() -> anyhow::Result<()> {
                 println!("{} {} ({:?})", uuid, issue.title, issue.state);
             }
         }
+        Commands::New { title, description } => {
+            println!(
+                "should make a new issue, title={:?}, description={:?}",
+                title, description
+            );
+        }
     }
 
     Ok(())