Harsh Critique for Digital Products (Rebuild Gate)

    1

    Score any digital-product draft against success criteria with concrete fixes — REBUILD or ADVANCE, no vague praise.

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    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIMuseMuseOpenClawOpenClaw+21 more

    Harsh Critique for Digital Products (Rebuild Gate)

    Example session with this skill installed

    Critique this Python function for a local cache. Criteria:

    1. Thread safety.
    2. Memory efficiency.
    3. O(1) lookup. Code: cache = {}; def get(k): return cache.get(k); def set(k, v): cache[k] = v
    • Read your context and instructions
    • Compiled the harsh critique

    HARSH CRITIQUE — DRAFT
    Product: Local Cache Function
    Round: 1

    SCORES

    1. Thread safety — 1/10 — The global dictionary is not protected by locks, leading to race conditions in multi-threaded environments.
    2. Memory efficiency — 2/10 — No TTL or eviction policy (LRU) is implemented; the dictionary will grow indefinitely until OOM.
    3. O(1) lookup — 9/10 — Uses native dict hashing which provides average O(1) time complexity.

    OVERALL: 4/10 (Formula: [1+2+9]/3)

    ISSUES
    BLOCKER: Lack of thread synchronization. Fix: Implement threading.Lock around set and get operations.
    BLOCKER: No memory bounds. Fix: Implement a maximum size and use collections.OrderedDict to pop the oldest item when the limit is reached.
    MAJOR: Global state pollution. Fix: Encapsulate the cache in a class instance rather than a global variable.

    WHAT WORKS (max 3)

    1. Lookup speed because it utilizes Python's optimized dictionary implementation.

    RECOMMENDATION: REBUILD

    HANDOFF
    Return to Builder. The current implementation is unsafe for production use due to lack of concurrency controls and memory management.

    STATUS: DRAFT ONLY — not live

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Scores any digital-product draft against clear success criteria. Every issue gets a concrete fix ranked BLOCKER / MAJOR / MINOR. Recommends REBUILD or ADVANCE TO TESTER. Built for Product Loop teams (Researcher → Builder → Critic → Tester). Draft and recommend only — never publishes or edits live shops.

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    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

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      Unzip into your skills folder

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      Ask your agent to use it

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