diff --git a/server/src/chat/transport/matrix/commands/mod.rs b/server/src/chat/transport/matrix/commands/mod.rs
index a27cedc..0244318 100644
--- a/server/src/chat/transport/matrix/commands/mod.rs
+++ b/server/src/chat/transport/matrix/commands/mod.rs
@@ -15,6 +15,7 @@ mod overview;
 mod show;
 mod status;
 mod triage;
+mod unreleased;
 
 use crate::agents::AgentPool;
 use std::collections::HashSet;
@@ -152,6 +153,11 @@ pub fn commands() -> &'static [BotCommand] {
             description: "Rebuild the server binary and restart",
             handler: handle_rebuild_fallback,
         },
+        BotCommand {
+            name: "unreleased",
+            description: "Show stories merged to master since the last release tag",
+            handler: unreleased::handle_unreleased,
+        },
     ]
 }
 
diff --git a/server/src/chat/transport/matrix/commands/unreleased.rs b/server/src/chat/transport/matrix/commands/unreleased.rs
new file mode 100644
index 0000000..bec4376
--- /dev/null
+++ b/server/src/chat/transport/matrix/commands/unreleased.rs
@@ -0,0 +1,308 @@
+//! Handler for the `unreleased` command.
+//!
+//! Shows a list of stories merged to master since the last release tag.
+
+use super::CommandContext;
+
+/// Show stories merged since the last release tag.
+///
+/// Finds the most recent git tag, then lists all story merge commits between
+/// that tag and HEAD on master.  Each entry shows the story number and name.
+/// Returns a clear message when there are no unreleased stories or no tags.
+pub(super) fn handle_unreleased(ctx: &CommandContext) -> Option<String> {
+    let root = ctx.project_root;
+    let tag = find_last_release_tag(root);
+
+    let commits = list_merge_commits_since(root, tag.as_deref());
+
+    if commits.is_empty() {
+        let msg = match &tag {
+            Some(t) => format!(
+                "No unreleased stories since the last release tag **{t}**."
+            ),
+            None => "No release tags found and no story merge commits on master.".to_string(),
+        };
+        return Some(msg);
+    }
+
+    let mut stories: Vec<(u64, String)> = commits
+        .iter()
+        .filter_map(|subject| parse_story_from_subject(subject))
+        .collect();
+
+    // Sort by story number, deduplicate.
+    stories.sort_by_key(|(n, _)| *n);
+    stories.dedup_by_key(|(n, _)| *n);
+
+    if stories.is_empty() {
+        let msg = match &tag {
+            Some(t) => format!(
+                "No unreleased stories since the last release tag **{t}**."
+            ),
+            None => "No release tags found and no story merge commits on master.".to_string(),
+        };
+        return Some(msg);
+    }
+
+    // Look up human-readable names for each story.
+    let mut out = match &tag {
+        Some(t) => format!("**Unreleased stories since {t}:**\n\n"),
+        None => "**Unreleased stories (no prior release tag):**\n\n".to_string(),
+    };
+    for (num, slug) in &stories {
+        let name = find_story_name(root, &num.to_string())
+            .unwrap_or_else(|| slug_to_name(slug));
+        out.push_str(&format!("- **{num}** — {name}\n"));
+    }
+    Some(out)
+}
+
+// ---------------------------------------------------------------------------
+// Git helpers
+// ---------------------------------------------------------------------------
+
+/// Return the most recent release tag, or `None` if there are no tags.
+///
+/// Uses `git tag --sort=-creatordate` to get the newest tag first.
+fn find_last_release_tag(root: &std::path::Path) -> Option<String> {
+    use std::process::Command;
+    let output = Command::new("git")
+        .args(["tag", "--sort=-creatordate"])
+        .current_dir(root)
+        .output()
+        .ok()
+        .filter(|o| o.status.success())?;
+    let text = String::from_utf8_lossy(&output.stdout);
+    let tag = text.lines().next()?.trim().to_string();
+    if tag.is_empty() { None } else { Some(tag) }
+}
+
+/// Return the subjects of all `storkit: merge …` commits reachable from HEAD
+/// but not from `since_tag` (or all commits when `since_tag` is `None`).
+fn list_merge_commits_since(
+    root: &std::path::Path,
+    since_tag: Option<&str>,
+) -> Vec<String> {
+    use std::process::Command;
+
+    let range = match since_tag {
+        Some(tag) => format!("{tag}..HEAD"),
+        None => "HEAD".to_string(),
+    };
+
+    let output = Command::new("git")
+        .args([
+            "log",
+            &range,
+            "--format=%s",
+            "--extended-regexp",
+            "--grep",
+            "(storkit|story-kit): merge [0-9]+_",
+        ])
+        .current_dir(root)
+        .output()
+        .ok()
+        .filter(|o| o.status.success());
+
+    match output {
+        Some(o) => String::from_utf8_lossy(&o.stdout)
+            .lines()
+            .map(|l| l.trim().to_string())
+            .filter(|l| !l.is_empty())
+            .collect(),
+        None => Vec::new(),
+    }
+}
+
+/// Parse a story number and slug from a merge commit subject like
+/// `storkit: merge 386_story_unreleased_command`.
+///
+/// Returns `(story_number, slug_remainder)` or `None` if the subject doesn't
+/// match the expected pattern.
+fn parse_story_from_subject(subject: &str) -> Option<(u64, String)> {
+    // Match "storkit: merge NNN_rest" or "story-kit: merge NNN_rest"
+    let rest = subject
+        .strip_prefix("storkit: merge ")
+        .or_else(|| subject.strip_prefix("story-kit: merge "))?;
+
+    let (num_str, slug) = rest.split_once('_')?;
+    let num: u64 = num_str.parse().ok()?;
+    Some((num, slug.to_string()))
+}
+
+/// Convert an underscore-separated slug to a title-case name.
+///
+/// Used as a fallback when no pipeline file is found.
+fn slug_to_name(slug: &str) -> String {
+    let words: Vec<String> = slug
+        .split('_')
+        .filter(|w| !w.is_empty())
+        .map(|w| {
+            let mut c = w.chars();
+            match c.next() {
+                Some(first) => first.to_uppercase().collect::<String>() + c.as_str(),
+                None => String::new(),
+            }
+        })
+        .collect();
+    words.join(" ")
+}
+
+/// Find the human-readable name of a story by searching all pipeline stages.
+fn find_story_name(root: &std::path::Path, num_str: &str) -> Option<String> {
+    const STAGES: &[&str] = &[
+        "1_backlog",
+        "2_current",
+        "3_qa",
+        "4_merge",
+        "5_done",
+        "6_archived",
+    ];
+    for stage in STAGES {
+        let dir = root.join(".storkit").join("work").join(stage);
+        if !dir.exists() {
+            continue;
+        }
+        if let Ok(entries) = std::fs::read_dir(&dir) {
+            for entry in entries.flatten() {
+                let path = entry.path();
+                if path.extension().and_then(|e| e.to_str()) != Some("md") {
+                    continue;
+                }
+                if let Some(stem) = path.file_stem().and_then(|s| s.to_str()) {
+                    let file_num = stem
+                        .split('_')
+                        .next()
+                        .filter(|s| !s.is_empty() && s.chars().all(|c| c.is_ascii_digit()))
+                        .unwrap_or("");
+                    if file_num == num_str {
+                        return std::fs::read_to_string(&path).ok().and_then(|c| {
+                            crate::io::story_metadata::parse_front_matter(&c)
+                                .ok()
+                                .and_then(|m| m.name)
+                        });
+                    }
+                }
+            }
+        }
+    }
+    None
+}
+
+// ---------------------------------------------------------------------------
+// Tests
+// ---------------------------------------------------------------------------
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::agents::AgentPool;
+    use std::collections::HashSet;
+    use std::sync::{Arc, Mutex};
+
+    use super::super::{CommandDispatch, try_handle_command};
+
+    fn unreleased_cmd_with_root(root: &std::path::Path) -> Option<String> {
+        let agents = Arc::new(AgentPool::new_test(3000));
+        let ambient_rooms = Arc::new(Mutex::new(HashSet::new()));
+        let room_id = "!test:example.com".to_string();
+        let dispatch = CommandDispatch {
+            bot_name: "Timmy",
+            bot_user_id: "@timmy:homeserver.local",
+            project_root: root,
+            agents: &agents,
+            ambient_rooms: &ambient_rooms,
+            room_id: &room_id,
+        };
+        try_handle_command(&dispatch, "@timmy unreleased")
+    }
+
+    #[test]
+    fn unreleased_command_is_registered() {
+        let found = super::super::commands().iter().any(|c| c.name == "unreleased");
+        assert!(found, "unreleased command must be in the registry");
+    }
+
+    #[test]
+    fn unreleased_command_appears_in_help() {
+        let result = super::super::tests::try_cmd_addressed(
+            "Timmy",
+            "@timmy:homeserver.local",
+            "@timmy help",
+        );
+        let output = result.unwrap();
+        assert!(
+            output.contains("unreleased"),
+            "help should list unreleased command: {output}"
+        );
+    }
+
+    #[test]
+    fn unreleased_command_no_tags_returns_message() {
+        // A temp dir that is not a git repo — git commands will fail gracefully.
+        let tmp = tempfile::TempDir::new().unwrap();
+        let output = unreleased_cmd_with_root(tmp.path()).unwrap();
+        // Should return some message (not panic), either about no tags or no commits.
+        assert!(!output.is_empty(), "should return a non-empty message: {output}");
+    }
+
+    #[test]
+    fn unreleased_command_real_repo_returns_response() {
+        // Run against the actual repo root to exercise the git path.
+        let repo_root = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .parent()
+            .unwrap_or(std::path::Path::new("."));
+        let output = unreleased_cmd_with_root(repo_root).unwrap();
+        // The response should mention "unreleased" or "no unreleased" — just make
+        // sure it's non-empty and doesn't panic.
+        assert!(!output.is_empty(), "should return a non-empty message: {output}");
+    }
+
+    #[test]
+    fn unreleased_command_case_insensitive() {
+        let result = super::super::tests::try_cmd_addressed(
+            "Timmy",
+            "@timmy:homeserver.local",
+            "@timmy UNRELEASED",
+        );
+        assert!(result.is_some(), "UNRELEASED should match case-insensitively");
+    }
+
+    // -- parse_story_from_subject ------------------------------------------
+
+    #[test]
+    fn parse_story_storkit_prefix() {
+        let result = parse_story_from_subject("storkit: merge 386_story_unreleased_command");
+        assert_eq!(result, Some((386, "story_unreleased_command".to_string())));
+    }
+
+    #[test]
+    fn parse_story_legacy_prefix() {
+        let result = parse_story_from_subject("story-kit: merge 42_story_add_feature");
+        assert_eq!(result, Some((42, "story_add_feature".to_string())));
+    }
+
+    #[test]
+    fn parse_story_no_match() {
+        let result = parse_story_from_subject("fix: typo in README");
+        assert_eq!(result, None);
+    }
+
+    #[test]
+    fn parse_story_no_underscore_after_number() {
+        let result = parse_story_from_subject("storkit: merge 123");
+        assert_eq!(result, None);
+    }
+
+    // -- slug_to_name --------------------------------------------------
+
+    #[test]
+    fn slug_to_name_basic() {
+        assert_eq!(slug_to_name("story_add_feature"), "Story Add Feature");
+    }
+
+    #[test]
+    fn slug_to_name_single_word() {
+        assert_eq!(slug_to_name("feature"), "Feature");
+    }
+}