feat(desktop): expand default agent toolsets with canvas, forums, dms, and member list (#510)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

crates/sprout-mcp/src/lib.rs

@@ -81,10 +81,11 @@
 //! - **`join_channel`** / **`leave_channel`** — Membership management.
 //! - **`update_channel`** / **`set_channel_topic`** / **`set_channel_purpose`** — Metadata.
 //! - **`open_dm`** — Open a direct-message channel.
+//! - **`list_channel_members`** — List members of a channel.
 //!
 //! ### Channel Admin (`channel_admin` toolset)
 //! - **`create_channel`** / **`archive_channel`** / **`unarchive_channel`**
-//! - **`add_channel_member`** / **`remove_channel_member`** / **`list_channel_members`**
+//! - **`add_channel_member`** / **`remove_channel_member`**
 //!
 //! ### Canvas (`canvas` toolset)
 //! - **`get_canvas`** — Retrieve the shared canvas document for a channel.

crates/sprout-mcp/src/toolsets.rs

@@ -19,8 +19,8 @@
 //!
 //! | Name            | Tools |
 //! |-----------------|-------|
-//! | `default`       | 25    |
-//! | `channel_admin` | 6     |
+//! | `default`       | 26    |
+//! | `channel_admin` | 5     |
 //! | `dms`           | 3     |
 //! | `canvas`        | 2     |
 //! | `workflow_admin`| 5     |
@@ -69,13 +69,13 @@ pub const ALL_TOOLS: &[(&str, &str, bool)] = &[
     ("set_presence", "default", false),
     ("trigger_workflow", "default", false),
     ("approve_step", "default", false),
+    ("list_channel_members", "default", true),
     // ── channel_admin ────────────────────────────────────────────────────────
     ("create_channel", "channel_admin", false),
     ("archive_channel", "channel_admin", false),
     ("unarchive_channel", "channel_admin", false),
     ("add_channel_member", "channel_admin", false),
     ("remove_channel_member", "channel_admin", false),
-    ("list_channel_members", "channel_admin", true),
     // ── dms ──────────────────────────────────────────────────────────────────
     ("add_dm_member", "dms", false),
     ("hide_dm", "dms", false),
@@ -317,9 +317,9 @@ mod tests {
     }
 
     #[test]
-    fn default_includes_25_tools() {
+    fn default_includes_26_tools() {
         let tools = enabled_tools("default");
-        assert_eq!(tools.len(), 25);
+        assert_eq!(tools.len(), 26);
         assert!(tools.contains("send_message"));
         assert!(tools.contains("approve_step"));
         assert!(!tools.contains("create_channel"));
@@ -356,7 +356,7 @@ mod tests {
         assert!(!remove.contains("send_message"));
         // create_channel is channel_admin+write → should be removed (ro)
         assert!(remove.contains("create_channel"));
-        // list_channel_members is channel_admin+read → should be kept (ro allows reads)
+        // list_channel_members is default+read → should be kept (rw)
         assert!(!remove.contains("list_channel_members"));
     }
 
@@ -364,7 +364,7 @@ mod tests {
     fn unknown_toolset_is_skipped_gracefully() {
         // Should not panic; unknown toolset is silently ignored
         let tools = enabled_tools("default,nonexistent_toolset");
-        assert_eq!(tools.len(), 25); // only default
+        assert_eq!(tools.len(), 26); // only default
     }
 
     #[test]

desktop/src-tauri/src/managed_agents/runtime.rs

@@ -550,7 +550,7 @@ pub fn spawn_agent_child(
     if let Some(toolsets) = &record.mcp_toolsets {
         command.env("SPROUT_TOOLSETS", toolsets);
     } else {
-        command.env("SPROUT_TOOLSETS", "default,media");
+        command.env("SPROUT_TOOLSETS", "default,canvas,forums,dms,media");
     }
     command.env_remove("SPROUT_ACP_PRIVATE_KEY");
     command.env_remove("SPROUT_ACP_API_TOKEN");

desktop/src/features/agents/ui/CreateAgentDialogSections.tsx

@@ -286,13 +286,14 @@ export function CreateAgentRuntimeFields({
         <Input
           id="agent-mcp-toolsets"
           onChange={(event) => onMcpToolsetsChange(event.target.value)}
-          placeholder="default"
+          placeholder="default,canvas,forums,dms,media"
           value={mcpToolsets}
         />
         <p className="text-xs text-muted-foreground">
           Comma-separated list of toolsets to expose via SPROUT_TOOLSETS.
           Available: default, channel_admin, dms, canvas, workflow_admin,
-          identity, forums, social. Leave blank for the default toolset only.
+          identity, forums, social, media. Leave blank for default toolsets
+          (default, canvas, forums, dms, media).
         </p>
       </div>