Brainstorming (Requirements & Design)

This skill provides a concrete pre-implementation process for clarifying goals, constraints, success criteria, and producing a design document. Its audience and boundaries are reasonably clear. The approval gate, alternative approaches, and section-by-section validation are useful in real agent workflows. However, requiring the full process for every task, including trivial changes, may reduce efficiency, and the skill depends on other skills such as writing-plans, so its end-to-end behavior is incomplete in isolation.

The ordered checklist, state diagram, approval gates, and specification self-review make behavior more reproducible. The visual companion material also documents startup, reconnection, idle shutdown, and stopping. Supporting scripts include argument validation, session isolation, PID identity checks, and failure statuses, while the repository supplies server-security test files as supporting signals; no tests were executed for this review. There is limited fallback guidance for inaccessible project context, nonresponsive users, failed document writes or commits, unavailable downstream skills, and other workflow interruptions. Key runtime components such as server.cjs and the frame template were not fully supplied here.

The skill explicitly requires user approval before implementation and requires separate consent before offering or opening the visual companion, which supports consent and control over external effects. Supporting materials indicate useful safeguards: loopback binding by default, session keys, HttpOnly/SameSite cookies, owner-only files, cross-origin WebSocket rejection, and a stop command. Risks remain because 0.0.0.0 binding is supported, the client uses ws:// rather than encrypted transport, and session keys appear in URLs. Persistent project directories retain mockups and state, agent-written HTML is served, and browser events are sent back to the agent. Guidance is insufficient on remote exposure, sensitive data, key rotation after disclosure, and rollback or recovery of committed design documents.

The skill includes detailed steps, a flow diagram, checklists, design coverage requirements, and visual-companion operating instructions, providing reasonable traceability. The helper and lifecycle scripts and the repository's authentication tests offer implementation and test signals, but they do not establish that this revision was executed or passed testing; the supplied tests primarily cover server authentication rather than the full brainstorming workflow, approval gates, document commits, or cross-platform behavior. Promotional README claims are not clearly separated from verified results, and there is no versioned behavior specification, failure catalog, or independent evaluation.

Inputs, conversational stages, the default design-document path, visual-companion startup options, returned URL, event directory, and stop command are documented. Differences across several coding-agent harnesses are also described. Costs and compatibility still depend on a particular harness, Node, browser, git, and other skills or runtime files not fully supplied here. Windows, remote containers, and background-process behavior receive guidance, but troubleshooting is not comprehensive. The workflow does not clearly define exit behavior when the user declines, cancels, stops responding, or does not want to commit or continue.

The repository provides an MIT license, a package.json version, and community and issue-reporting channels, supporting a basic maintenance assessment. The publisher is unverified under the stated rule and therefore adds no governance credit. The selected skill itself has no version, changelog, compatibility matrix, named owner, release responsibility, or explicit update path. Its dependencies on other skills and runtime components not fully shown in the supplied material increase long-term maintenance uncertainty.