skills/ flutter/agent-plugins

api-review

Reviews the specified code against the canonical API Design guidelines. Use this skill when the user asks for an API review or to check code against API design principles.

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2 files scannedscanner v1.2.0Oct 11, 2026

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SKILL.md

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API review skill

This skill reviews code against the canonical API Design guidelines.

Instructions

  1. Load Guidelines: Read the API design guidelines from references/canonical_api_design.md to ensure they are fully available in the context.
  2. Identify Target: Identify the code to review.
    • If the user specified files (e.g., "review main.dart"), use those.
    • If the user has an open file in their context, assume that is the target.
    • If neither, ask the user to specify the target files.
  3. Analyze: For each target file, perform a deep analysis against the "Foundations of Canonical API Design Principles" (loaded in step 1), specifically looking for:
    • Contract-First: Is the interface clear and decoupled from implementation?
    • KISS/YAGNI: Are there unnecessary parameters or over-generalized features?
    • Ergonomics: Are names intent-revealing? Do they follow the Principle of Least Astonishment?
    • CQS: Are commands and queries separated?
    • Safety: Are types used strictly (Enums vs Strings)? Is validation visible?
    • Explicit Configuration: Are dependencies explicitly injected rather than implicitly resolved via global state, registries, or environment variables?
  4. Report: Generate a structured report:
    • Score: Give a letter grade (A-F) based on alignment.
    • Critical Issues: Violations that must be fixed (e.g., severe strictness or safety issues).
    • Suggestions: Ergonomic improvements (renaming, rearranging).
    • Code Examples: Provide before vs after code blocks for the suggested improvements.
    • Save the report as a markdown artifact in the conversation artifacts directory (e.g., <appDataDir>/brain/<conversation-id>/api_review_results.md).

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