SKILLEMALL.ai
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AB paywall-upgrade-designer

Redesign paywall and upgrade screens to maximize free-to-paid conversion. Use when a user wants to improve their SaaS upgrade screen, paywall copy, plan structure, pricing psychology, CTA copy, or overall upgrade flow. Produces a full conversion-optimized upgrade screen spec using the Upgrade Moment Method framework.

modbender/skill-library-mcp Agent Skills author: modbender MIT 2 files body ≈ 3 888 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Redesign paywall and upgrade screens to maximize free-to-paid conversion.

As a process B 68/100 · Nearly there — weak spots: result and completion, running it twice, progress reporting

GeneratorAI and agentsData and analyticsDesigntype and topics are labelled automatically from the skill text
Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode
JSON
Technical rating
A
92/100
safety, quality, tests
Safety 60%
100
Quality 40%
80
Run on models
none yet
Process rating
B
68/100
Nearly there
Result and completion w 14
0
Progress reporting w 2
0
Running it twice w 4
30
the three weakest of ten parameters · all ten

How to improve

    For the model run — optional
    • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
    • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

    Guard findings · 0

    ✓ No critical or high findings

    Files scanned: 2. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    ✓ No remarks against the Agent Skills spec

    Process rating: all ten parameters 68/100

    • 0Result and completion. Does not say what the result is
    • 0Progress reporting. Says nothing while it works
    • 30Running it twice. 6 mutating operations with no state check
    • 50When it triggers. No condition that starts the skill
    • 60Failures and branches. 2 branches
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 100Tools and files. No external tools needed
    • 100Steps. 101 steps
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 3888 tokens
    • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing

    Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

    Quality signals

    • +5Description has no quoted example phrases that should trigger the skill
    • +4Description does not say when NOT to use the skill (false activations)
    • +3Output format is not stated: the model decides each time
    • +4No input/output examples
    • +1No license
    • +2Single-language instructions
    • +3Description length 318: enough signal without eating the budget
    • +4Structure: 17 headings
    • +3Step-by-step instructions: 101 items

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 80.