diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index be51889ee1..edd290e8af 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -69,3 +69,11 @@ jobs:
           # The action's default trigger phrase is "@claude"; it reads the
           # triggering comment/review and acts on the current PR head.
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          # The action defaults to enableAllProjectMcpServers: true, which
+          # auto-loads this repo's .mcp.json (the "railway" server, launched
+          # via `npx @railway/cli mcp`). That server has no Railway session in
+          # a fresh Actions runner, and Claude Code fails fast (~2s, zero
+          # turns, no reply) trying to start it. --strict-mcp-config skips
+          # loading project/user MCP config entirely, so @claude runs here
+          # only with the action's own built-in tools.
+          claude_args: --strict-mcp-config