feat: add MCP server with all tools registered

tests/test_server.py

@@ -0,0 +1,52 @@
+import pytest
+from mcp.types import ListToolsRequest
+from grist_mcp.server import create_server
+
+
+@pytest.mark.asyncio
+async def test_create_server_registers_tools(tmp_path):
+    config_file = tmp_path / "config.yaml"
+    config_file.write_text("""
+documents:
+  test-doc:
+    url: https://grist.example.com
+    doc_id: abc123
+    api_key: test-key
+
+tokens:
+  - token: test-token
+    name: test-agent
+    scope:
+      - document: test-doc
+        permissions: [read, write, schema]
+""")
+
+    server = create_server(str(config_file))
+
+    # Server should have tools registered
+    assert server is not None
+
+    # Get the list_tools handler and call it
+    handler = server.request_handlers.get(ListToolsRequest)
+    assert handler is not None
+
+    req = ListToolsRequest(method="tools/list")
+    result = await handler(req)
+
+    # Check tool names are registered
+    tool_names = [t.name for t in result.root.tools]
+    assert "list_documents" in tool_names
+    assert "list_tables" in tool_names
+    assert "describe_table" in tool_names
+    assert "get_records" in tool_names
+    assert "sql_query" in tool_names
+    assert "add_records" in tool_names
+    assert "update_records" in tool_names
+    assert "delete_records" in tool_names
+    assert "create_table" in tool_names
+    assert "add_column" in tool_names
+    assert "modify_column" in tool_names
+    assert "delete_column" in tool_names
+
+    # Should have all 12 tools
+    assert len(result.root.tools) == 12