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Claude Code

Koschei for Claude Code

io.github.bugsbuny243/koschei

Run agent-written code under a capability policy: see what a program can touch before it runs.

client:Claude Code transport:stdio runtime:pypi

Install Koschei in Claude Code

run in your project directory

claude mcp add koschei -- uvx koschei-lang

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Koschei in other clients