Fable is good at instruction following, so just adding the snippet I mentioned in the post is good enough for the most cases. There is a way to control tool in

Fable is good at instruction following, so just adding the snippet I mentioned in the post is good enough for the most cases. There is a way to control tool invocations at the harness level when writing skills or agents. Example: ~/.claude/agents/critic.md --- name: critic description: > Plan Critic. Reviews an implementation plan. Use before the implementation. tools: Read, Agent --- For Claude skills, the frontmatter is different, the keys are: allowed-tools: Read Grep disallowed-tools: WebSearch Glob https://code.claude.com/docs/en/tools-reference https://code.claude.com/docs/en/tools-reference