1 files changed, 22 insertions, 0 deletions
diff --git a/packages/cli/src/tools/ToolResult.ts b/packages/cli/src/tools/ToolResult.ts
new file mode 100644
index 00000000..674e2fcb
--- /dev/null
+++ b/packages/cli/src/tools/ToolResult.ts
@@ -0,0 +1,22 @@
+/**
+ * Standard tool result interface that all tools should implement
+ */
+export interface ToolResult {
+  /**
+   * Content meant to be included in LLM history.
+   * This should represent the factual outcome of the tool execution.
+   */
+  llmContent: string;
+
+  /**
+   * Markdown string for user display.
+   * This provides a user-friendly summary or visualization of the result.
+   */
+  returnDisplay: ToolResultDisplay;
+}
+
+export type ToolResultDisplay = string | FileDiff;
+
+export interface FileDiff {
+  fileDiff: string
+}