feat(core): Wire tool toggles to AI provider tool declaration payload

ai_client.py

@@ -286,15 +286,26 @@ def _list_anthropic_models() -> list[str]:
 
 TOOL_NAME = "run_powershell"
 
+_agent_tools: dict = {}
+
+def set_agent_tools(tools: dict):
+    global _agent_tools, _CACHED_ANTHROPIC_TOOLS
+    _agent_tools = tools
+    _CACHED_ANTHROPIC_TOOLS = None
+
 def _build_anthropic_tools() -> list[dict]:
     """Build the full Anthropic tools list: run_powershell + MCP file tools."""
     mcp_tools = []
     for spec in mcp_client.MCP_TOOL_SPECS:
+        if _agent_tools.get(spec["name"], True):
             mcp_tools.append({
                 "name":        spec["name"],
                 "description": spec["description"],
                 "input_schema": spec["parameters"],
             })
+    
+    tools_list = mcp_tools
+    if _agent_tools.get(TOOL_NAME, True):
         powershell_tool = {
             "name": TOOL_NAME,
             "description": (
@@ -316,7 +327,12 @@ def _build_anthropic_tools() -> list[dict]:
             },
             "cache_control": {"type": "ephemeral"},
         }
-    return mcp_tools + [powershell_tool]
+        tools_list.append(powershell_tool)
+    elif tools_list:
+        # Anthropic requires the LAST tool to have cache_control for the prefix caching to work optimally on tools
+        tools_list[-1]["cache_control"] = {"type": "ephemeral"}
+        
+    return tools_list
 
 
 _ANTHROPIC_TOOLS = _build_anthropic_tools()
@@ -338,6 +354,8 @@ def _gemini_tool_declaration():
 
     # MCP file tools
     for spec in mcp_client.MCP_TOOL_SPECS:
+        if not _agent_tools.get(spec["name"], True):
+            continue
         props = {}
         for pname, pdef in spec["parameters"].get("properties", {}).items():
             props[pname] = types.Schema(
@@ -355,6 +373,7 @@ def _gemini_tool_declaration():
         ))
 
     # PowerShell tool
+    if _agent_tools.get(TOOL_NAME, True):
         declarations.append(types.FunctionDeclaration(
             name=TOOL_NAME,
             description=(
@@ -375,7 +394,7 @@ def _gemini_tool_declaration():
             ),
         ))
 
-    return types.Tool(function_declarations=declarations)
+    return types.Tool(function_declarations=declarations) if declarations else None
 
 
 def _run_script(script: str, base_dir: str) -> str:

gui.py

@@ -1203,6 +1203,7 @@ class App:
         if global_sp: combined_sp.append(global_sp.strip())
         if project_sp: combined_sp.append(project_sp.strip())
         ai_client.set_custom_system_prompt("\n\n".join(combined_sp))
+        ai_client.set_agent_tools(self.project.get("agent", {}).get("tools", {}))
         temp = dpg.get_value("ai_temperature") if dpg.does_item_exist("ai_temperature") else 0.0
         max_tok = dpg.get_value("ai_max_tokens") if dpg.does_item_exist("ai_max_tokens") else 8192
         trunc = dpg.get_value("ai_history_trunc") if dpg.does_item_exist("ai_history_trunc") else 8000

tests/test_agent_tools_wiring.py

@@ -0,0 +1,23 @@
+import pytest
+from ai_client import set_agent_tools, _build_anthropic_tools
+
+def test_agent_tools_wiring():
+    # Only enable read_file and run_powershell
+    agent_tools = {
+        "run_powershell": True,
+        "read_file": True,
+        "list_directory": False,
+        "search_files": False,
+        "get_file_summary": False,
+        "web_search": False,
+        "fetch_url": False
+    }
+    set_agent_tools(agent_tools)
+    
+    anth_tools = _build_anthropic_tools()
+    tool_names = [t["name"] for t in anth_tools]
+    
+    assert "read_file" in tool_names
+    assert "run_powershell" in tool_names
+    assert "list_directory" not in tool_names
+    assert "web_search" not in tool_names