once for Claude Code
io.github.aurumflux20/once-kernel
Run a side effect exactly once under retries, redelivery, and concurrent workers.
client:Claude Code
transport:stdio
runtime:pypi
Install once in Claude Code
run in your project directory
claude mcp add once-kernel -- uvx once-kernelAdds it for this project only. Append --scope user to make it available everywhere. Claude Code docs