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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Other

Bullion Price Check

Gold/silver price aggregator, 19 free tools. Custom versions: bullionpricecheck.com/contact/

Checks passed
13 / 22

1 failed · 8 not measured

Median response
180 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
19

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 180 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name bullion-price-check.

  • Pass
    Lists tools

    tools/list returned 19 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 180 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 180 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    120 of 148 parameters have a description (81%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-09T18:03:19.868849Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Bullion Price Check

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http bullion-price-check https://bullionpricecheck.com/mcp

Capabilities

Tools 19

bullion_sales_tax

Look up state sales tax rules on gold, silver, platinum or palladium bullion in any US state or DC. Give a 2-letter state code (or name) and optional metal, product_type (coin or bar) and sale amount in USD to evaluate dollar thresholds. Returns status, plain-English explanation, threshold logic, official state source URL, and last_reviewed date. General information, not tax advice. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
bullion_trends_snapshot

Read one persisted US Google Trends dealer search-interest series by plain keyword (e.g. "gold price", "silver price", "1 oz gold bar price", "sell gold coins", "buy silver rounds", "american eagle silver coin price", "canadian maple leaf silver coin price") or by query_id; zero network calls. Returns 0–100 relative search-interest scores (NOT search volume, unit sales, demand, or price forecasts) and always reports the data age (as_of, data_age_days, observation_age_days, stale, freshness). Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
buyback_compare

Compare firm dealer buyback bids against Bullion Price Check's live recorded dealer buyback bids, spot, and melt reference tiers by default (or caller-supplied bid overrides). Allocates fees and shipping evenly per unit; unknown fees/shipping keep net proceeds unknown. Never invents bids or applies a market-best label to a single dealer. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
dealer_feed_validate

Validate dealer product and offer records against live Bullion Price Check spot and catalog specs by default (or caller-supplied overrides). Flags stale quotes, below-melt offers, unknown stock, missing payment methods, and quantity-tier conflicts, and evaluates scoped cheapest claims (requiring >=2 distinct dealers with fresh, in-stock, single-unit, same-payment offers). Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
fair_offer_check

Screen an asking or offer price against live Bullion Price Check spot, melt value, and US dealer ask policy bands by default (or caller-supplied spot, costs, and policy overrides). Returns buy, counter, pass, or insufficient_data, plus a below-spot plausibility warning when the asking price is under melt. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
get_dealer_prices

Current listed US dealer prices for one tracked bullion product, lowest first, with per-dealer stock status (in_stock vs out_of_stock / unavailable in dealers_unavailable). Sorted by price only: dealers marked "Partner" pay to list and never to rank. Only prices checked in the last 24 hours are returned. Never substitutes a different weight. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
get_premium_index

Current Bullion Premium Index (CC BY 4.0): for each tracked bullion product, today's lowest premium over spot, the dealer median premium, and the 7-day median and minimum of the lowest premium. Palladium is not tracked. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
get_price_history

Historical spot, lowest dealer ask, dealer median ask, and premium over spot for one tracked product, built from Bullion Price Check's stored hourly price snapshots (since October 15, 2026). Supports daily summaries, recent hourly snapshots, or both, with period min/max/median summary statistics. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
get_spot_prices

Live gold, silver and platinum spot prices in USD per troy ounce and gram, with the time each was read, the live gold-silver ratio, and an optional gold/silver ounce converter. Palladium is not tracked. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
inventory_aging_exposure

Value bullion inventory lots and compute aging buckets, carry cost, melt exposure, and live US dealer market ask/bid totals using Bullion Price Check's live spot and dealer data by default (or caller-supplied spot, carry rate, and position overrides). Accepts either shorthand lots (product, quantity, cost_basis_usd) or detailed positions. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
junk_silver_melt

Silver content and melt value of US junk (constitutional) silver coins by face value: 90% (pre-1965 dimes, quarters, halves), 40% (1965-1970 Kennedy halves or Eisenhower dollars) or 35% (1942-1945 war nickels). Includes the 0.715 oz worn-coin figure and today's lowest dealer ask per $1 face for 90% coins. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
list_products

List the 17 bullion coins and bars Bullion Price Check tracks (slug, name, metal, troy oz) with today's lowest listed US dealer price and dealer count for each. Use a slug with get_dealer_prices or get_price_history. Palladium is not tracked. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
melt_value

Melt (intrinsic metal) value of any gold, silver or platinum item or scrap jewelry at live spot: weight x purity (or gold karat) x spot. Supports troy oz, grams, kilograms and pennyweight, plus an optional buyer offer comparison (% of melt and below-spot warning). Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
premium_history_alerts

Evaluate historical premium threshold alerts using Bullion Price Check's stored daily price and premium history and 7-day Premium Index benchmarks by default (or caller-supplied observations and threshold overrides). Separates percentage-point changes from percent changes and excludes synthetic rows. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
premium_over_spot

Calculate the dollar and percent premium over spot for a quoted price (or target premium %) and benchmark it against today's listed US dealer asks (lowest, 25th percentile, median, 75th percentile, highest, percentile rank, and CC BY 4.0 Bullion Premium Index row). Includes a below-spot plausibility warning when the quote is under melt. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
product_spec

Official mint/refiner specifications for a bullion coin or bar: mint, country, fineness, gross and fine weight, pure metal content, denomination, series, source citation, and fine-weight recompute check (gross_g x fineness / 31.1034768). Covers tracked products plus spec-only items (pre-1933 US gold, Morgan/Peace dollars, PAMP 20g/10g bars). Unknown fields stay null. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
quote

Price a dealer buy or sell ticket from live BPC spot (or caller-supplied spot override). Supports bullion (tracked products) and scrap (weight + unit + karat or purity; purity applied once). Includes default buy offer tiers (% of melt), sell margin rules, market ask percentiles, and published buyback bid benchmarks when available. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
restock_plan

Compute inventory velocity, turnover, reorder point, and exact suggested order quantity from stock and sales observations, enriched with live Bullion Price Check spot, melt, and lowest US dealer ask for tracked products (caller overrides optional). Separates unavailable sales from recorded zero sales. Not a demand forecast. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered
true_cost

All-in delivered cost of a bullion order. Mode 1 (your_quote): give price, quantity, shipping, and payment fee to total your own quote (with below-spot warning if under melt). Mode 2 (dealer_ranking): give a tracked product and quantity to rank US dealers by delivered total using published shipping and payment fees, with per-dealer unavailability reasons and a stale-shipping warning when fee rules are >7 days old. Standard tool free; for a version fine-tuned or customized to your business, email for pricing via https://bullionpricecheck.com/contact/.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected180 ms19