openocd-mcp

openocd-mcp

An OpenOCD debug MCP server that manages debugging targets and sessions by reusing VS Code launch configurations. It enables firmware flashing, GDB command execution, and real-time status monitoring of embedded systems.

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README

openocd-mcp

基于 fastmcp 的 OpenOCD 调试 MCP 服务，复用项目中的 .vscode/launch.json 作为调试目标来源。

当前阶段（MVP）

  • 已实现：项目切换、调试目标刷新、一次性烧录、调试会话启动/停止、GDB 命令执行、状态查询。
  • 未实现：RTT 相关能力（已拆分到独立文档）。

使用 uv 运行

uv sync
uv run openocd-mcp --openocd-path openocd --gdb-path arm-none-eabi-gdb

如果直接运行：

uv run openocd-mcp

服务会自动读取当前目录 config.json（若存在）中的路径配置。 参数优先级：命令行参数 > 环境变量 > config.json > 内置默认值。

启动为 SSE/HTTP（给本地其他 AI 客户端）

默认是 stdio。

uv run openocd-mcp -sse

默认监听：http://127.0.0.1:9000/sse

可自定义：

uv run openocd-mcp -sse --host 127.0.0.1 --port 9000 --path /sse

也可通过环境变量配置：

  • OPENOCD_PATH
  • GDB_PATH
  • OPENOCD_SCRIPTS

VS Code MCP 配置

已提供 .vscode/mcp.json，使用 stdio + uv run openocd-mcp 启动服务。

如需改为 SSE，可使用：

{
	"servers": {
		"openocd-mcp": {
			"type": "sse",
			"url": "http://127.0.0.1:9000/sse"
		}
	},
	"inputs": []
}

工具列表（MVP）

  • set_project(project_dir)
  • refresh_debug_targets()
  • flash_download(config_name, firmware_path?)
  • debug_start(config_name, firmware_path?)
  • debug_stop()
  • debug_command(command)
  • debug_status()
  • get_runtime_config()

文档

  • 接口定义：接口定义.md
  • 架构设计：架构设计.md
  • RTT 特性（非 MVP）：RTT特性.md

License

MIT

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