What this MCP does
Searches used-Mac listings, provides price statistics and alerts, and checks listing trust, device identity, Activation Lock, MDM, and related verification signals.
Capabilities
Tools
8
tools
check_mac_listing
Check a used-Mac listing before trusting it
The trust picture for one specific listing, by URL (eBay/Craigslist/OfferUp/Swappa/Facebook/Reddit) or Macfax listing id: whether Macfax knows it, whether it still passes every quality gate, scam/junk/classified/auction flags, when a scan last verified it live, its ask against the configuration's typical asking band, the platform's own seller-reputation figures where the marketplace has them (seller_signals: eBay feedback, Swappa rating; null elsewhere), and whether a verified Macfax report is attached. Facts, not verdicts.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'id': {'type': 'string', 'description': 'A Macfax listing id (from search results).'}, 'url': {'type': 'string', 'description': "The listing's URL on the source marketplace."}}}
create_mac_alert
Create a standing used-Mac listing alert
Watch the market for a configuration: Macfax emails the given address when new matching listings appear. CONSENT CONTRACT: create an alert only for a user who explicitly asked for this alert on this email address. The first alert for a new email stays inactive until the email's owner clicks the confirmation link Macfax sends; nothing is emailed before that, and every alert email carries manage and unsubscribe links.
Open world
Input schema
{'type': 'object', 'required': ['email', 'config'], 'properties': {'email': {'type': 'string', 'description': "The user's own email address. Confirmation is required before anything sends."}, 'config': {'type': 'string', 'description': 'Macfax config key: family[-screen]-chip-year, optionally -RAMgb-STORAGEgb. Examples: macbook-pro-14-m3pro-2023, mac-studio-m2ultra-2023-192gb-1024gb.'}, 'ram_gb': {'type': 'integer'}, 'min_tier': {'enum': ['listed', 'free', 'premium'], 'type': 'string'}, 'storage_gb': {'type': 'integer'}, 'max_price_usd': {'type': 'integer', 'description': 'Only alert under this asking price.'}, 'under_typical': {'type': 'boolean', 'description': "Only listings under the configuration's typical asking range."}}}
get_macfax_credit_balance
Check Macfax resolution credits
How many serial resolutions this API key has left, and what actually costs a credit. Only a brand new resolution is billed: a 2021+ (10 character) serial Macfax has never resolved and that this key has not looked up in the last 24 hours. Cached serials, pre-2021 serials, repeats within 24 hours and every other tool are free at every tier. Call this before a large batch of serials to find out whether it can be finished. Without a key it reports the anonymous allowance instead.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {}}
get_mac_market_value
Get what a Mac model is worth
What a used Mac is worth, from the name Apple gives the model, e.g. "MacBook Pro (14-inch, 2021)" or "MacBook Air (13-inch, M4, 2025)". Returns every Apple Silicon configuration the name can mean, each with its sale estimate (verified sales, or the asking band scaled by a measured clearance ratio; basis labeled) and its live asking band, plus an estimate across them: a single mid when the name pins one configuration, a low-to-high range when Apple's name leaves the chip open. Apple Silicon Macs only. Use the sale estimate as the price of the Mac; asking is seller guidance.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['model'], 'properties': {'model': {'type': 'string', 'description': 'The Mac\'s model name as Apple writes it, with a chip or a year: "MacBook Pro (14-inch, M3 Pro or M3 Max, Nov 2023)", "Mac mini (2023) with M2 Pro", "iMac (24-inch, M1, 2021)".'}}}
get_mac_price_stats
Get used-Mac price statistics
What a used Mac configuration actually sells for AND what sellers are asking right now. The sold slice is the headline: verified-sale percentiles when the config has enough recent sales (sold.basis 'direct'; n and window ride along), else the asking band scaled by a measured clearance ratio (sold.basis 'calibrated', ratio disclosed). The asking band (median/p25/p75 with sample size), per-channel medians with net-to-seller after fees, launch MSRP retention and Apple trade-in floor ride along as seller guidance. Use the sold estimate as the price of the Mac; use asking to set a list price. The slices are separate and never blended — preserve the basis label when quoting.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['config'], 'properties': {'config': {'type': 'string', 'description': 'Macfax config key: family[-screen]-chip-year, optionally -RAMgb-STORAGEgb. Examples: macbook-pro-14-m3pro-2023, mac-studio-m2ultra-2023-192gb-1024gb.'}}}
get_mac_report
Fetch a verified Macfax report
A verified Macfax condition report as structured data: hardware-verified identity, Activation Lock / MDM / serial-match checks, coverage status, and the signing chain. Use when a listing or seller shares a macfax.com/r/ link and the buyer wants the facts behind it. status "superseded" means the same Mac was re-verified more recently under a newer report; treat the payload as historical state, not current.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['report_id'], 'properties': {'report_id': {'type': 'string', 'description': 'The 8-character report id from a macfax.com/r/<id> URL.'}}}
lookup_mac_serial
Look up a Mac serial number
Resolve a Mac serial number to its exact model, including 2021+ randomized serials whose characters encode nothing (so no character-decoder can read them). Also returns what that model is worth (the market block: sale estimate and asking band per configuration) and whether a verified Macfax report exists for the serial. Lookup is advisory and cannot verify condition, Activation Lock, or possession; a Macfax report can.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['serial'], 'properties': {'serial': {'type': 'string', 'description': "The Mac's serial number: 10 characters on 2021+ Macs (a letter first, never a vowel), 11-12 on older ones."}}}
search_mac_listings
Search live used-Mac listings
Live used-Mac listings aggregated across eBay, Craigslist, OfferUp, Swappa, Facebook and Reddit, with scam clusters, junk titles, classified-ad bait, auctions and stale/sold rows already filtered out. Every result deep-links to the source listing where the purchase happens. Filter by configuration, family, chip, RAM, storage, price ceiling, and verified-report tier.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'sort': {'enum': ['fresh', 'price_asc', 'price_desc'], 'type': 'string'}, 'year': {'type': 'integer'}, 'limit': {'type': 'integer', 'default': 12, 'maximum': 50}, 'config': {'type': 'string', 'description': 'Macfax config key: family[-screen]-chip-year, optionally -RAMgb-STORAGEgb. Examples: macbook-pro-14-m3pro-2023, mac-studio-m2ultra-2023-192gb-1024gb. The year may be omitted when the rest pins one build: mac-studio-m3ultra resolves to mac-studio-m3ultra-2025.'}, 'family': {'enum': ['macbook-pro', 'macbook-air', 'mac-studio', 'mac-mini', 'mac-pro', 'imac', 'imac-pro'], 'type': 'string', 'description': 'Coarse browse by product family.'}, 'ram_gb': {'type': 'integer'}, 'min_tier': {'enum': ['listed', 'free', 'premium'], 'type': 'string', 'description': 'free/premium = only listings with a verified Macfax report attached.'}, 'chip_tier': {'type': 'string', 'description': 'e.g. m3, m3pro, m4max, m3ultra'}, 'storage_gb': {'type': 'integer'}, 'max_price_usd': {'type': 'integer'}}}
History
Recent tool changes
Added
get_mac_market_value
Sept. 27, 2026, 2:53 a.m.
Changed
lookup_mac_serial
Sept. 27, 2026, 2:53 a.m.
Added
get_macfax_credit_balance
Sept. 17, 2026, 12:36 p.m.
Added
create_mac_alert
Sept. 17, 2026, 12:36 p.m.
Added
get_mac_report
Sept. 17, 2026, 12:36 p.m.
Added
check_mac_listing
Sept. 17, 2026, 12:36 p.m.
Added
search_mac_listings
Sept. 17, 2026, 12:36 p.m.
Added
get_mac_price_stats
Sept. 17, 2026, 12:36 p.m.
Added
lookup_mac_serial
Sept. 17, 2026, 12:36 p.m.
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