vscode-cube-mcp (h666zhang/vscode-cube-mcp) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
MCP server that wraps STM32CubeMX CLI to let AI load .ioc projects, modify pin/peripheral configurations, generate HAL code, and export pinout tables.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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h666zhang
Source: Glama
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Install from
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ST_CUBEMX_EXEPATH 中的 STM32CubeMX / 常见 Windows 安装位置 STM32CubeMX 可执行文件完整路径ST_CUBEMX_ALLOWED_ROOTS当前工作目录 .ioc 允许访问的根目录,os.pathsep 分隔(; for Windows)ST_CUBEMX_TIMEOUT240 CubeMX 子进程超时秒数Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
8/8 tools missing one or more hints — cubemx_script (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cubemx_load (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); cubemx_configure (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Destructive tools are labelled
1 tool perform destructive updates without destructiveHint — cubemx_export_pinout deletes at line 393 (os.remove(csv))
Add destructiveHint:true to any tool whose handler calls .delete(), .upsert(), .update(), unlink, rm, DELETE, DROP, REPLACE INTO, or any operation that overwrites existing data.
Tool handlers catch errors
Only 2/8 tool handlers wrap calls in try/catch (25%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
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