NexFlow's First CLI Should Validate Manifests, Not Execute Agents

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The NexFlow project is proposing a validation-only command-line interface (CLI) as its first tool, deliberately excluding any agent execution or runtime capabilities. Draft RFC-0011 outlines four commands — validate, inspect, graph, and init — each designed to help contributors review and trust manifest definitions without triggering workflows or provider calls. The rationale is that launching agents too early would lock in implementation choices before the specification has fully matured, making defaults difficult to reverse. Currently, the NexFlow repository covers 17 schema-backed manifest kinds and 113 schema-backed manifests, with structural validation implemented but semantic checking still partial. The proposed CLI aims to put existing checks behind a stable interface and improve diagnostics while remaining transparent about what it does not verify.

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