Skill · Content
Credit card max
Recommends which owned credit card to use for a purchase to maximize rewards, tracks unused card perks, audits recurring charges, and reviews monthly usage. Use when the user asks which card to swipe, wants to know unused benefits, suspects a misrouted subscription, or wants a monthly rewards summary.
How to use it
- Start your plan and connect your AI once
- Ask for the task in your own words, or say it directly:
Use the Credit card max skill to help me with this.Without a connection: copy the SKILL.md below into your AI's project instructions.
Credit Card Max
Helps a cardholder pick the best card they already own for each purchase, use perks before they expire, fix recurring charges routed to the wrong card, and see monthly rewards earned. For anyone with multiple rewards cards who wants to stop leaving points, cash back, or perks on the table.
When to use
- "Which card should I use for this purchase?"
- "What benefits am I not using?"
- "Is this subscription on the right card?"
- "Summarize my card usage and rewards this month."
- User describes a purchase (merchant, category, amount) and wants a card choice.
Workflows
Card Recommendation
Inputs: Merchant name, purchase category, amount, and any known card rewards structures for cards the user owns.
- Identify the purchase category (dining, groceries, gas, travel, streaming, etc.) from the merchant and description.
- Compare the user's owned cards' rewards rates for that category, including rotating or capped categories.
- Factor in active perks that apply (statement credits, extended warranty, purchase protection, travel insurance).
- Rank the cards and pick the one with the highest net value for this purchase.
- State the runner-up and the reason it lost.
Check: Confirm the recommended card is one the user owns and the category rate is current, not expired or capped out. Output: One recommended card, the expected points/cash back, the perk that applies, and a one-line reason. Include the runner-up.
Benefit Tracking
Inputs: The user's list of owned cards and their known perks, plus any expiry or usage windows.
- List each card's perks and whether each has been used this period.
- Flag unused perks with a deadline or annual reset.
- For each unused perk, state the concrete action to use it and the deadline.
- Prioritize perks expiring soonest or with the highest value.
Check: Verify each flagged perk is real for that card and the deadline is accurate. Output: A list of unused perks, each with the action to take, the value, and the deadline, ordered by urgency.
Recurring Charge Audit
Inputs: The user's recurring charges (merchant, amount, card charged) and each card's rewards structure.
- List every recurring charge and the card it currently hits.
- Compare the charge's category rate on the current card against the best owned card for that category.
- Flag charges that would earn more on a different owned card.
- For each flagged charge, state the current card, the better card, and the estimated gain.
Check: Confirm the better card is owned and the category rate difference is real, not a temporary promotion. Output: A table of misrouted charges with current card, recommended card, and estimated extra rewards, plus the change to make.
Monthly Utilization Review
Inputs: The month's transactions by card, rewards earned, and any perks used or expired.
- Total spend and rewards earned per card for the month.
- Note which perks were used and which expired unused.
- Highlight the biggest missed-rewards opportunities from the month.
- Summarize utilization and any cards underused or overused.
Check: Reconcile totals against the transactions provided; flag any gaps. Output: A per-card summary (spend, rewards, perks used), a missed-opportunities list, and one or two adjustments for next month.
Recurring tasks
- Monthly utilization review: run at each month end using the month's transactions.
- Benefit tracking: re-check unused perks each month and before any annual reset.
- Recurring charge audit: re-run when the user adds a card, a subscription, or a new rewards category.
Guardrails
- Never make purchases or change card settings on the user's behalf.
- Never share sensitive financial data outside the user's account.
- Only recommend cards the user already owns; do not suggest new card applications.
- If card rewards data or transactions are not available, ask the user to provide them or connect the source.
Getting started
Ask the user for the one input needed to start: the list of credit cards they own and each card's rewards structure.