@creditsync-pro/mcp

CreditSync MCP Server

MCP server for connecting Claude Desktop to your CreditSync account. Requires a CreditSync Pro subscription.

Landing page: https://www.creditsync.pro/for-developers — tool breakdown and integration overview.

Setup

• In CreditSync, go to Settings > API and create an API key
• Copy the key (it's only shown once)
• Add to your Claude Desktop config (claude_desktop_config.json):

{
  "mcpServers": {
    "creditsync": {
      "command": "npx",
      "args": ["@creditsync-pro/mcp"],
      "env": {
        "CREDITSYNC_API_KEY": "cs_your_key_here"
      }
    }
  }
}

• Restart Claude Desktop

Tools

Tool	Description
list_benefits	List card-linked benefits (statement credits, free nights, companion certs, lounge passes). Filter by card_id, status, expiring_within_days. For standalone items, use list_rewards
get_benefit	Get detailed info for a specific benefit with all periods
mark_benefit_used	Mark a benefit as used (default), partial, or unused
get_dashboard	Dashboard metrics: expiring, captured, available, ROI
list_cards	List all cards with issuer, issuing_bank, fees, renewal months, last 4 digits, benefit counts
get_card	Get a single card's full picture: benefits, ROI, renewal, value at risk
get_action_items	Prioritized action items: 6 types (benefit_expiring, at_risk_this_period, unused_prior_period, fee_renewal, negative_roi, welcome_offer_at_risk). action_types filter accepts both category names (expiring, renewal_approaching) and response-type names (benefit_expiring, at_risk_this_period, fee_renewal) — the latter for precise filtering. Includes historical_rate, historical_rate_n, historical_rate_confidence fields on dollar-denominated benefits
get_calendar_events	Structured calendar events for benefit deadlines, fee renewals, welcome offers, loyalty program point expirations, and rewards/certificates expirations. welcome_offer_deadline events carry origin + source_event_id fields so agents can filter retention-origin bonuses separately from signup SUBs
search_catalog	Search card catalog by issuer, name, or combined (e.g., "Amex Platinum")
bulk_import_cards	Import multiple cards in one call with fuzzy matching, metadata, and welcome offers. Use dry_run to preview. Reduces onboarding from 40+ calls to 1-3
create_card	Add a single card to portfolio by name (fuzzy) or exact template ID. Supports full metadata on creation (last_four, open date, business flag, 5/24, notes) — no follow-up update_card call needed
archive_card	Deactivate a card (soft delete, preserves history)
list_programs	List loyalty programs with balances, CPP valuations, staleness. Filter by has_balance, type, owner
update_balance	Set or adjust a loyalty program balance (absolute or delta)
get_transfer_partners	Get transfer partners for a currency with ratios. Accepts source or program param
get_earn_rates	Earning rates for a card: bonus categories, multipliers, caps
get_best_card	Wallet optimizer: best card for a spend category ranked by value
update_card	Update card metadata: notes, open date, product change, 5/24 status
log_retention_offer	Log retention offer interactions for strategy history. Structured fields: outcome (accepted/declined/countered/escalated/no_offer), offer_type, offer_value_dollars/offer_points+offer_currency. When spend_requirement + spend_deadline are passed on an accepted offer, server auto-creates a paired WelcomeOffer for calendar reminders. Validates points_bonus requires currency + points; statement_credit requires dollars. Returns event_id
update_retention_offer	Patch a logged retention offer in place (fix typos, add missing currency, change outcome). Preserves event_id and date; re-runs validation on merged state; records audit breadcrumb. Prefer over delete+relog
delete_retention_offer	Delete a retention offer entry by event_id (for correcting mistakes). Prefer update_retention_offer for corrections
create_welcome_offer	Record a welcome offer with bonus, spend requirement, and deadline
update_welcome_offer	Update spend progress or status on a welcome offer
list_welcome_offers	List welcome offers with spend progress and deadline urgency
create_benefit	Add a new benefit to a card with auto-generated periods. Returns 409 on duplicates; force: true to bypass. dry_run: true validates without persisting
update_benefit	Update benefit details (name, amount, category, status)
get_524_status	Compute Chase 5/24 eligibility from card metadata + external cards
archive_benefit	Archive a benefit (soft delete, preserves history)
add_external_card	Add a non-catalog card for 5/24 tracking
remove_external_card	Remove an external card from 5/24 tracking
list_rewards	List standalone rewards NOT tied to a card (gift cards, vouchers, airline credits). Separate from card-linked list_benefits
add_reward	Track a standalone reward (not from a card). No card numbers or PINs — existence only
update_reward	Update reward details or mark as used
remove_reward	Delete a reward permanently

Examples

Ask Claude:

• "What benefits are expiring this week?"
• "Show me my dashboard"
• "Mark my Uber Cash as used"
• "What cards do I have and when do their fees post?"
• "Should I keep my Amex Gold? Show me the ROI."
• "What do I need to act on this week?"
• "Did I miss any credits last month?"
• "What benefit deadlines do I have in April?"
• "How many MR points do I have?"
• "Can I transfer MR to Virgin Atlantic?"
• "Update my AAdvantage balance to 385,000 miles"
• "What card should I use for dining?"
• "Show me the earn rates on my Amex Gold"
• "I just product-changed my Sapphire Preferred to a Freedom Unlimited"
• "Log that I declined the Amex Gold retention offer of $150 credit"
• "I just got approved for the CSR with 60K UR after $4K spend in 3 months"
• "How much more do I need to spend on my new card?"
• "Add the Oura Ring credit to my Platinum"
• "Am I eligible for a new Chase card?"
• "Add the Hilton Aspire card to my portfolio"
• "Search the catalog for Chase cards"
• "I also have a Chase Amazon Visa I opened in March 2024 — add it for 5/24"
• "Remove the Oura Ring credit from my Platinum, I made a mistake"
• "Delete that fake retention offer I just logged on my Platinum"
• "Show me only my loyalty programs that have a balance"
• "Search the catalog for Amex Platinum"
• "Here are my cards: Amex Platinum, Amex Gold, Chase Sapphire Reserve, and two Chase Ink Business Preferreds. Set them all up."
• "Close my Chase Ink Cash — I'm done with it"
• "Show me all unused benefits right now"
• "What's coming up on my calendar this month?"
• "Update my Amex Gold fee month to April"
• "Show all my welcome offers and their progress"
• "I earned my CSR welcome bonus — mark it as earned"
• "I got a $50 Hilton gift card from my retention call — track it, expires December 2027"
• "Show me all my gift cards and vouchers"
• "Mark the AA travel voucher as used"

Build with CreditSync

CreditSync MCP provides the data. You decide what to do with it.

The API is read/write, so your AI assistant can both query your benefit data and act on it. This makes it a building block for workflows that go far beyond simple lookups:

• Morning brief bot — Pull expiring benefits and dashboard metrics, format a daily summary, deliver via Telegram, Slack, or email
• Automated mark-as-used — After your AI confirms a qualifying purchase, mark the credit as used without opening CreditSync
• Pre-trip checklist — Before a trip, flag unused travel credits, expiring certificates, and airline fee credits across all your cards
• Card renewal advisor — When a fee month approaches, pull the card's ROI data and recommend keep, cancel, or call for retention
• Multi-card spend router — Combine CreditSync benefit data with your own spending context to decide which card to use for a purchase

The MCP server runs locally on your machine. Any tool your AI has access to (HTTP APIs, local scripts, messaging platforms) can be combined with CreditSync data to create custom workflows.