---
title: "exec 等待可选 MCP"
filename: "~/.codex/config.toml"
canonical: /templates/exec-mcp-optional-grace/
---

# exec 等待可选 MCP

exec 只拍一次工具表。必用的服务器标 required，或把宽限改成 0。

```
mcp_optional_startup_grace_ms = 0

[mcp_servers.docs]
url = "https://mcp.example.com/mcp"
required = true
startup_timeout_sec = 20

```