# com.birkinbagstock/mcp

> Live Hermes Birkin & Kelly market data: resale inventory, prices, auction calendar and results

- name: com.birkinbagstock/mcp
- version: 1.1.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 82/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.birkinbagstock%2Fmcp
- tools: https://api.protogrid.dev/v1/servers/com.birkinbagstock%2Fmcp/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "birkinbagstock": {
      "type": "http",
      "url": "https://birkinbagstock.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-21d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 82/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 79 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- warn `tools.annotations`: only 1 of 14 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: find_hermes_care_services (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); set_price_alert (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); search_birkin (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 2,102 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: 5 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 14, about 2,102 tokens to load them all
- tool set hash: 243776c60d5ce26dee3011e0a85d6b2e
- tools last changed: 2026-10-03T15:55:52.637Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.birkinbagstock/mcp.svg)](https://protogrid.dev/servers/com.birkinbagstock/mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-03 `get_hermes_resale_report` added
  - Get a fixed monthly Hermès resale report: findings, cohort n, exact data cutoff, method and caveat. Use for Birkin vs Kelly, size/leather premiums, observed price changes and press citations. Cite the report URL; asking prices are not completed sales and the sample is not the entire market.
- 2026-09-29 `find_hermes_care_services` added
  - Independent directory of handbag restorers, spas, authenticators and accessory makers that work on Hermès bags, by country and category. Inclusion is not an endorsement.
- 2026-09-29 `list_birkin_resellers` added
  - Resellers whose Hermès Birkin, Kelly and Constance inventory BirkinBagStock indexes, with the number of bags currently available at each, regions served and a page per reseller. Use it to answer 'where can I buy a pre-owned Birkin in <region>' before searching specific bags.
- 2026-09-29 `get_hermes_auction_results` added
  - Lot-by-lot auction results for Hermès handbags: estimate vs. hammer price, sold/unsold, house, date and a link to the house's own result for every lot, plus median result vs. low estimate per model. Use this for questions like 'what do Birkins sell for at auction' or 'recent Kelly auction prices'. Prices are in the sale currency.
- 2026-09-29 `list_hermes_auctions` added
  - Upcoming and live auction sales that include Hermès lots (Birkin, Kelly, Constance and more), from houses such as Bonhams, Christie's, Sotheby's, Artcurial and many Drouot and Nordic houses. Returns house, sale title, dates, location, number of Hermès lots, the house's catalogue URL and a BirkinBagStock page. Call this when the user asks where or when Hermès bags are being auctioned.

Full history: https://api.protogrid.dev/v1/servers/com.birkinbagstock%2Fmcp/changes

## Remotes

- https://birkinbagstock.com/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (14)

- `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.
- `find_hermes_care_services`: Independent directory of handbag restorers, spas, authenticators and accessory makers that work on Hermès bags, by country and category. Inclusion is not an endorsement.
- `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.
- `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'.
- `get_hermes_auction_results`: Lot-by-lot auction results for Hermès handbags: estimate vs. hammer price, sold/unsold, house, date and a link to the house's own result for every lot, plus median result vs. low estimate per model. Use this for questions like 'what do Birkins sell for at auction' or 'recent Kelly auction prices'. Prices are in the sale currency.
- `get_hermes_resale_report`: Get a fixed monthly Hermès resale report: findings, cohort n, exact data cutoff, method and caveat. Use for Birkin vs Kelly, size/leather premiums, observed price changes and press citations. Cite the report URL; asking prices are not completed sales and the sample is not the entire market.
- `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.
- `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_birkin_resellers`: Resellers whose Hermès Birkin, Kelly and Constance inventory BirkinBagStock indexes, with the number of bags currently available at each, regions served and a page per reseller. Use it to answer 'where can I buy a pre-owned Birkin in <region>' before searching specific bags.
- `list_hermes_auctions`: Upcoming and live auction sales that include Hermès lots (Birkin, Kelly, Constance and more), from houses such as Bonhams, Christie's, Sotheby's, Artcurial and many Drouot and Nordic houses. Returns house, sale title, dates, location, number of Hermès lots, the house's catalogue URL and a BirkinBagStock page. Call this when the user asks where or when Hermès bags are being auctioned.
- `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.
- `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.
- `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'.