huskies: merge 862

server/src/http/mcp/tools_list/mod.rs

@@ -87,7 +87,8 @@ mod tests {
         assert!(names.contains(&"get_version"));
         assert!(names.contains(&"remove_criterion"));
         assert!(names.contains(&"mesh_status"));
-        assert_eq!(tools.len(), 67);
+        assert!(names.contains(&"run_check"));
+        assert_eq!(tools.len(), 68);
     }
 
     #[test]

server/src/http/mcp/tools_list/system_tools.rs

@@ -151,6 +151,20 @@ pub(super) fn system_tools() -> Vec<Value> {
                 "required": []
             }
         }),
+        json!({
+            "name": "run_check",
+            "description": "Run script/check (cargo check --tests --workspace) in the agent's worktree for fast compile-only feedback. Returns the full, untruncated output so every compiler diagnostic is visible. Much faster than run_tests — use this while iterating to catch compile errors; call run_tests only to validate the full pipeline before committing.",
+            "inputSchema": {
+                "type": "object",
+                "properties": {
+                    "worktree_path": {
+                        "type": "string",
+                        "description": "Optional absolute path to a worktree to run the check in. Must be inside .huskies/worktrees/. Defaults to the project root."
+                    }
+                },
+                "required": []
+            }
+        }),
         json!({
             "name": "git_status",
             "description": "Return the working tree status of an agent's worktree (staged, unstaged, and untracked files). The worktree_path must be inside .huskies/worktrees/. Push and remote operations are not available.",