Author here. The biggest gap I hit after removing MCPs was APIs without CLIs.

GitHub has gh, AWS has aws, but most SaaS APIs have nothing. That's why I'm building CommandSpec. The tool takes any OpenAPI spec and generates a typed Go CLI. Every endpoint becomes a command, every parameter becomes a flag. The AI discovers operations via `--help` instead of preloading every possible tool definition.

Happy to answer questions about the setup or CommandSpec.

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