diff --git a/src/gui_2.py b/src/gui_2.py
index 8875ba45..02aff787 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -1887,10 +1887,12 @@ def render_token_budget_panel(app: App) -> None:
     imgui.table_set_column_index(0); render_selectable_label(app, f"tier_{tier}", tier, width=-1)
     imgui.table_set_column_index(1); render_selectable_label(app, f"model_{tier}", model.split("-")[0], width=-1)
     imgui.table_set_column_index(2); render_selectable_label(app, f"tokens_{tier}", f"{tokens:,}", width=-1)
-    imgui.table_set_column_index(3); render_selectable_label(app, f"cost_{tier}", f"${cost:.4f}", width=-1, color=theme.get_color("status_success"))
+    cost_str = f"${cost:.4f}" if caps.cost_tracking else "-"
+    imgui.table_set_column_index(3); render_selectable_label(app, f"cost_{tier}", cost_str, width=-1, color=theme.get_color("status_success"))
    imgui.end_table()
    tier_total = sum(cost_tracker.estimate_cost(stats.get('model', ''), stats.get('input', 0), stats.get('output', 0)) for stats in app.mma_tier_usage.values())
-   render_selectable_label(app, "session_total_cost", f"Session Total: ${tier_total:.4f}", width=-1, color=theme.get_color("status_success"))
+   total_str = f"${tier_total:.4f}" if caps.cost_tracking else "-"
+   render_selectable_label(app, "session_total_cost", f"Session Total: {total_str}", width=-1, color=theme.get_color("status_success"))
  else:
   imgui.text_disabled("No MMA tier usage data")
  if stats.get("would_trim"):
@@ -1908,13 +1910,17 @@ def render_token_budget_panel(app: App) -> None:
      imgui.text_disabled(f"  [{role}] ~{toks:,} tokens")
      shown += 1
  imgui.separator()
- cache_stats = getattr(app.controller, '_cached_cache_stats', {})
- if cache_stats.get("cache_exists"):
-  age = cache_stats.get("cache_age_seconds", 0)
-  ttl = cache_stats.get("ttl_seconds", 3600)
-  imgui.text_colored(C_LBL(), f"Cache Usage: ACTIVE | Age: {age:.0f}s / {ttl}s | Renews at: {ttl * 0.9:.0f}s")
+ caps = app._get_active_capabilities()
+ if not caps.caching:
+  imgui.text_disabled(f"Cache Usage: N/A (not supported by {app.current_provider}/{app.current_model})")
  else:
-  imgui.text_disabled("Cache Usage: INACTIVE")
+  cache_stats = getattr(app.controller, '_cached_cache_stats', {})
+  if cache_stats.get("cache_exists"):
+   age = cache_stats.get("cache_age_seconds", 0)
+   ttl = cache_stats.get("ttl_seconds", 3600)
+   imgui.text_colored(C_LBL(), f"Cache Usage: ACTIVE | Age: {age:.0f}s / {ttl}s | Renews at: {ttl * 0.9:.0f}s")
+  else:
+   imgui.text_disabled("Cache Usage: INACTIVE")
  if app.perf_profiling_enabled: app.perf_monitor.end_component("_render_token_budget_panel")
 
 #endregion: Diagnostics & Analytics
@@ -2222,6 +2228,11 @@ def render_system_prompts_panel(app: App) -> None:
  ch, app.ui_project_system_prompt = imgui.input_text_multiline("##psp", app.ui_project_system_prompt, imgui.ImVec2(-1, 100))
 
 def render_agent_tools_panel(app: App) -> None:
+ caps = app._get_active_capabilities()
+ if not caps.tool_calling:
+  if imgui.collapsing_header("Active Tool Presets & Biases", imgui.TreeNodeFlags_.default_open):
+   imgui.text_disabled(f"(tools not supported by {app.current_provider}/{app.current_model})")
+  return
  if imgui.collapsing_header("Active Tool Presets & Biases", imgui.TreeNodeFlags_.default_open):
   imgui.text("Tool Preset")
   presets      = app.controller.tool_presets
@@ -2312,10 +2323,12 @@ def render_provider_panel(app: App) -> None:
  _, app.temperature = imgui.input_float("Temp", app.temperature, 0.0, 0.0, "%.2f")
  imgui.pop_id()
 
- # Top-P
- imgui.push_id("top_p")
+ # Max Tokens
+ caps = app._get_active_capabilities()
+ max_tokens_cap = max(1, caps.context_window)
+ imgui.push_id("max_tokens")
  imgui.set_next_item_width(imgui.get_content_region_avail().x * 0.6)
- _, app.top_p = imgui.slider_float("##slider", app.top_p, 0.0, 1.0, "%.2f")
+ _, app.max_tokens = imgui.slider_int("##slider", app.max_tokens, 1, max_tokens_cap)
  imgui.same_line()
  imgui.set_next_item_width(-1)
  _, app.top_p = imgui.input_float("Top-P", app.top_p, 0.0, 0.0, "%.2f")