From 46c6fb1e7a1454c2af0c009611da2ad14f89699f Mon Sep 17 00:00:00 2001
From: Darley <darley.wey@gmail.com>
Date: Sat, 24 Jan 2026 04:38:13 +0330
Subject: [PATCH] fix(api): enhance ClaudeModels response to align with
 api.anthropic.com

---
 internal/registry/model_registry.go      |  4 ++--
 sdk/api/handlers/claude/code_handlers.go | 17 ++++++++++++++++-
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/internal/registry/model_registry.go b/internal/registry/model_registry.go
index 5de0ba4a..edb1f124 100644
--- a/internal/registry/model_registry.go
+++ b/internal/registry/model_registry.go
@@ -1033,10 +1033,10 @@ func (r *ModelRegistry) convertModelToMap(model *ModelInfo, handlerType string)
 			"owned_by": model.OwnedBy,
 		}
 		if model.Created > 0 {
-			result["created"] = model.Created
+			result["created_at"] = model.Created
 		}
 		if model.Type != "" {
-			result["type"] = model.Type
+			result["type"] = "model"
 		}
 		if model.DisplayName != "" {
 			result["display_name"] = model.DisplayName
diff --git a/sdk/api/handlers/claude/code_handlers.go b/sdk/api/handlers/claude/code_handlers.go
index 30ff228d..22e10fa5 100644
--- a/sdk/api/handlers/claude/code_handlers.go
+++ b/sdk/api/handlers/claude/code_handlers.go
@@ -128,8 +128,23 @@ func (h *ClaudeCodeAPIHandler) ClaudeCountTokens(c *gin.Context) {
 // Parameters:
 //   - c: The Gin context for the request.
 func (h *ClaudeCodeAPIHandler) ClaudeModels(c *gin.Context) {
+	models := h.Models()
+	firstID := ""
+	lastID := ""
+	if len(models) > 0 {
+		if id, ok := models[0]["id"].(string); ok {
+			firstID = id
+		}
+		if id, ok := models[len(models)-1]["id"].(string); ok {
+			lastID = id
+		}
+	}
+
 	c.JSON(http.StatusOK, gin.H{
-		"data": h.Models(),
+		"data":     models,
+		"has_more": false,
+		"first_id": firstID,
+		"last_id":  lastID,
 	})
 }