Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 699 ms · Last checked
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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesMCP server · Other
Gold/silver price aggregator, 19 free tools. Custom versions: bullionpricecheck.com/contact/
1 failed · 8 not measured
Median of successful probes over 7 days
Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.
Tool definitions returned by this server
Independent monitoring
Outdated check
Last connection measurement is over 24 hours old. Current availability is unknown.
Last checked| Test area | Passed | Failed | Unmeasured |
|---|---|---|---|
ConnectionCan a client connect and discover tools? | 5 | 0 | 0 |
Reliability & speedDoes it respond consistently and quickly? | 0 | 0 | 4 |
Access & authenticationWhat is required to use this server? | 1 | 0 | 2 |
Tool qualityAre the tool definitions usable by an agent? | 4 | 0 | 0 |
Publisher identityCan the publisher be traced to its source? | 3 | 1 | 2 |
Unmeasured means there is not enough evidence to decide. How these checks work
Start using Bullion Price Check
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/mcpCapabilities
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/.
DiscoveredRead 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/.
DiscoveredCompare 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/.
DiscoveredValidate 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/.
DiscoveredScreen 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/.
DiscoveredCurrent 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/.
DiscoveredCurrent 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/.
DiscoveredHistorical 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/.
DiscoveredLive 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/.
DiscoveredValue 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/.
DiscoveredSilver 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/.
DiscoveredList 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/.
DiscoveredMelt (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/.
DiscoveredEvaluate 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/.
DiscoveredCalculate 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/.
DiscoveredOfficial 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/.
DiscoveredPrice 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/.
DiscoveredCompute 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/.
DiscoveredAll-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/.
DiscoveredRecent measurements
| Checked | Result | Response | Tools |
|---|---|---|---|
| Connected | 180 ms | 19 |