Install Stack Guardian in Claude Code
What you need first
- Claude Code, installed.
- uv, which
gives the
uvxcommand the server starts with. - Your own value for
YOUR_STACK_GUARDIAN_NODES.
Steps
- Run this in a terminal, in the project folder. It adds the server for you in that
project; put
--scope userafterclaude mcp addto have it in every project.
claude mcp add --env STACK_GUARDIAN_NODES=YOUR_STACK_GUARDIAN_NODES --transport stdio stack-guardian -- uvx stack-guardian==0.4.0 mcp - Replace
YOUR_STACK_GUARDIAN_NODESwith your own value. - Start Claude Code and type
/mcp: the server is listed with its state.
Check it worked
Ask Claude Code: List the tools of stack-guardian.
If it does not start
- spawn uvx ENOENT
- uv is not on the PATH that Claude Code sees. Install it, or write the
full path of
uvxin the config. - The server starts, but its tools fail
- A
YOUR_…placeholder is still in the config, or its value is wrong.