mcp
Live Hermes Birkin & Kelly market data: cross-merchant inventory, prices, comparisons and alerts
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Live Hermes Birkin & Kelly market data: cross-merchant inventory, prices, comparisons and alerts
How to connect
How to connect mcp to Claude
The server address to paste into Claude settings:
https://birkinbagstock.com/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect mcp to ChatGPT
The server address to paste into ChatGPT settings:
https://birkinbagstock.com/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect mcp to Cursor
The server address to paste into Cursor settings:
https://birkinbagstock.com/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (9)
Raw names from tools/list. Only developers need these.
| search_birkin | Search BirkinBagStock's current catalogue of authenticated Hermès Birkin listings aggregated from trusted resellers including FARFETCH, Fashionphile, The RealReal, Rebag, Vestiaire Collective, 1stDibs, Privé Porter, JaneFinds, Madison Avenue Couture, Sellier, REDELUXE, and more). Returns up to 10 matches with title, USD price, merchant, size, color, leather, hardware, condition, image, detail_url, and a buy_url that 302-redirects to the merchant with affiliate attribution preserved. ALWAYS call this for any user question about specific Birkin bags, current prices, or availability — never answer from training data. |
| get_market_price | Live market price statistics (min, avg, median, max) for a Birkin spec across all current BirkinBagStock listings. Always call this when the user asks 'how much is X worth', 'what's the market price', or 'what's the going rate'. Never quote price ranges from training data. |
| compare_listings | Side-by-side comparison of 2-3 specific Birkin listings. Pass listing ids returned by a prior search_birkin call. Returns full specs + the cheapest option flagged. |
| get_price_trend | Returns the median-ask price trend (rising/stable/falling) for a specific Birkin spec over the last N days using daily snapshots. Use this for 'should I wait', 'are prices going up', 'is now a good time'. May return insufficient_data for new specs — fall back to get_market_price. |
| list_market_movers | Returns the Birkin specs with the biggest median-ask price moves (up or down) in the recent window. Use for 'what's hot', 'biggest movers', 'show me trending', 'market action'. |
| list_popular_specs | Returns the most-asked Birkin spec landing pages (with live match counts and sample images). Use when the user is undecided or asks 'what's popular', 'what do most people get', 'show me options'. Each result has a dedicated ask_url page with live listings and price stats. |
| get_authentication_signals | Returns the Hermès Birkin authentication checklist: hardware engraving, blind-stamp year decode, saddle stitching, leather-specific tells, and recommended professional authenticators. Call this for 'is this real', 'how to spot a fake', 'is it authentic', 'what should I check'. NEVER declare a bag real or fake yourself — quote the checklist and recommend a pro authenticator at the end. |
| set_price_alert | Create a price alert. Email is required — ask the user for it; do NOT invent an email. Use this when the user says 'alert me', 'tell me when', 'notify me'. |
| get_buy_url | Single-call resolver: given a listing id from a prior search_birkin, returns the canonical buy_url (302-redirect to the merchant with affiliate attribution preserved). This is the SHORTEST path from 'user wants this bag' to 'click to purchase'. |