diff --git a/doc/ARCHITECTURE.md b/doc/ARCHITECTURE.md
index da18ecd..7355747 100644
--- a/doc/ARCHITECTURE.md
+++ b/doc/ARCHITECTURE.md
@@ -60,19 +60,6 @@ Agent configs are JSON files in `~/.config/ollie/agents/`. The key fields are:
 
 **`trustedTools`** — array of tool names allowed to run outside the sandbox.
 
-**`mcpServers`** (optional) — MCP server configurations for external tool providers:
-
-```json
-{
-  "mcpServers": {
-    "server-name": {
-      "command": "server-binary",
-      "args": [],
-      "env": {"KEY": "value"}
-    }
-  }
-}
-```
 
 **Generation parameters** — `maxTokens`, `maxCompletionTokens`, `temperature`, `topP`, `topK`, `minP`, `topA`, `frequencyPenalty`, `presencePenalty`, `repetitionPenalty`, `reasoning`, `reasoningEffort`, `includeReasoning`, `responseFormat`, `stop`, `verbosity`. Set in the agent JSON; overridable at runtime via `s/{id}/cfg`.