Documented luxury-watch auction records: 1,150+ verified results, prices, rankings and datasets
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Documentation Overview
MostExpensiveWatches — watch auction records API, dataset, MCP server & CLI
Documented ultra-luxury watch auction data ($100k–$31M realized prices, primary-sourced), free to use, built for AI agents, CLIs and apps. No API key required.
Live site: https://mostexpensivewatches.net
For AI agents — MCP server (one line of config)
Streamable HTTP, JSON-RPC 2.0. Tools: search_inventory, lookup_reference,
search_auction_comps, list_upcoming_auctions, get_market_estimate,
get_brand_info, search_answers, get_site_stats.
Install docs: https://mostexpensivewatches.net/mcp/install
Datasets (CC-BY 4.0, schema.org Dataset, refreshed automatically)
| Dataset | Live JSON | Snapshot here |
|---|---|---|
| Record Ledger — every documented watch auction record (all-time, per brand/material/year, record progressions) | /data/records.json | data/records.json |
| Auction Records — 1,150+ documented hammer prices with sources | /api/auctions-dataset.json | data/auction-records.json |
| Grail Index — the $1M+ segment record (182 results, $616M documented) | /data/grail-index.json | data/grail-index.json |
| Price Index — daily repeat-listing index across merchants | /data/watch-price-index.json | data/price-index.json |
Snapshots in this repo are point-in-time copies; the live endpoints recompile daily via an autonomous verification pipeline. Cite as "MostExpensiveWatches Record Ledger".
API (43 endpoints, no key)
- OpenAPI 3.1:
openapi.json· live: https://mostexpensivewatches.net/openapi.json - Docs: https://mostexpensivewatches.net/api
- One-call snapshot: https://mostexpensivewatches.net/api/snapshot.json
- Examples: https://mostexpensivewatches.net/api/examples.json
llms.txt: https://mostexpensivewatches.net/llms.txt
CLI (dependency-free Python)
Also in this repo: mew.py
Human surfaces the data powers
- The Record Ledger — every auction record, documented
- How much is it worth? — 650 reference valuations
- HAMMER — daily guess-the-hammer-price game
- Grail Index · Price Index · Weekly brief
License
Data: CC-BY 4.0 (attribution: MostExpensiveWatches). Code (mew.py): MIT.
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CategoryDeveloper Tools
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Documentation & tools11/30
Adoption & activity1/15
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