fastmod
Use fastmod to make mass code updates to avoid many repetitive changes.
Install
With your agent
Install OMGSkills skill "pydantic/monty:.claude/skills/fastmod" into this agent's normal skills directory: call the OMGSkills MCP get_install_plan tool for your agent and run the script it returns (it installs only the pinned commit and verifies SKILL.md), and stop if MCP or the pin is unavailable. Do not overwrite or change existing skills without asking me.
Manual command
git clone https://github.com/pydantic/monty /tmp/monty && ln -s /tmp/monty/.agents/skills/fastmod ~/.claude/skills/fastmodFrom README
fastmod Instructions You can occasionally use fastmod or sed to make mass updates to the codebase and avoid wasting tokens changing each case one at a time. Before making many repetitive changes to the codebase, consider using fastmod --accept-all. THINK HARD about how best to use fastmod as it can dramatically improve your productivity. Examples Example of switching the pytype function to take heap: &Heap instead of a generic H: HeapAccess parameter:
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