ExactMelt
REMOTE · EXACTMELT.COM
Metal and coin melt values
Available components
Last scanned (2 hours ago)
Scores higher than 58% of remote servers
Reachable. Last reached 5 Nov 2026.
Category Finance and Payments
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability71
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (fair).Partial
- Tool/resource definitions use about 772 tokens (~110/item across 7 items; 6 tools + 1 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management10
- Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage72
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 3% of tool parameters carry a description.Partial
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
- Supports UI / widget rendering.Pass
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 4 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.
- 3 Nov 26 0
- Stability: unverified → 0.03 ▲ functional
- 2 Nov 26 71
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 5 Nov 2026 · Probed https://exactmelt.com/api/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=exactmelt.com | CN=YR2,O=Let's Encrypt,C=US | 21 Oct 2026 | 19 Jan 2027 | RSA 2048 | SHA256-RSA | 54bee98119432ecdda54ac71d0319856fe7 |
| SANs: exactmelt.com | ||||||
| CN=YR2,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | 4ebd24947e24d394802d84a52fd5b319 |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of exactmelt.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| exactmelt.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000 |
| x-content-type-options | nosniff |
| referrer-policy | same-origin |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://exactmelt.com/api/mcp | Verified | 200 | |
| http (plaintext) | http://exactmelt.com/api/mcp | HTTPS enforced | 308 | https://exactmelt.com/api/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
calculate_coin_value Calculate coin melt value ~102
Coin melt value and fine-metal content from a native coin issue, quantity or standard rolls, and optional measured total grams. Includes current website quotes, optional buyer-offer comparison and a prefilled PDF-report link.
| Name | Type | Req | Description |
|---|---|---|---|
| coin | string | yes | – |
| fees | number | – | – |
| measuredGrams | number | – | – |
| offer | number | – | – |
| quantity | integer | – | – |
| rolls | number | – | – |
| spot | number | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calculation | object | yes | – |
| item | object | – | – |
| message | string | yes | – |
| mode | string | yes | – |
| pdfUrl | string | yes | – |
| prices | object | yes | – |
| state | object | yes | – |
| url | string | yes | – |
| view | – | yes | – |
No examples provided.
calculate_exchange Calculate gold–silver exchange ~97
Gold-to-silver or silver-to-gold exchange weight at current website quotes, including sale discount, purchase premium and fees. Includes a prefilled PDF-report link.
| Name | Type | Req | Description |
|---|---|---|---|
| direction | string | yes | – |
| discount | number | – | – |
| fees | number | – | – |
| gold | number | – | – |
| premium | number | – | – |
| silver | number | – | – |
| unit | string | yes | – |
| weight | number | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calculation | object | yes | – |
| item | object | – | – |
| message | string | yes | – |
| mode | string | yes | – |
| pdfUrl | string | yes | – |
| prices | object | yes | – |
| state | object | yes | – |
| url | string | yes | – |
| view | – | yes | – |
No examples provided.
calculate_melt_value Calculate metal melt value ~154
Precious-metal melt value, fine content, unit rates and optional buyer-offer comparison from metal, purity, weight and construction. Includes current website quotes and a prefilled PDF-report link. Custom spot prices and mixed worksheets are supported.
| Name | Type | Req | Description |
|---|---|---|---|
| assayBasis | string | – | Dental alloy purity basis: assumed estimate or assayed composition. |
| basis | string | yes | – |
| construction | string | – | – |
| fees | number | – | – |
| layerDenominator | number | – | – |
| lot | array | – | – |
| metal | string | yes | – |
| offer | number | – | – |
| purity | number | yes | – |
| spot | number | – | – |
| unit | string | yes | – |
| weight | number | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calculation | object | yes | – |
| item | object | – | – |
| message | string | yes | – |
| mode | string | yes | – |
| pdfUrl | string | yes | – |
| prices | object | yes | – |
| state | object | yes | – |
| url | string | yes | – |
| view | – | yes | – |
No examples provided.
calculate_penny_nickel Calculate penny or nickel metal value ~101
Penny or nickel alloy metal value from count or measured total grams and explicit manual base-metal prices in USD per ordinary pound. Includes constituent weights, face value and a prefilled PDF-report link.
| Name | Type | Req | Description |
|---|---|---|---|
| alloy | string | – | – |
| copper | number | yes | – |
| count | integer | yes | – |
| kind | string | yes | – |
| measuredGrams | number | – | – |
| nickel | number | – | – |
| zinc | number | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calculation | object | yes | – |
| item | object | – | – |
| message | string | yes | – |
| mode | string | yes | – |
| pdfUrl | string | yes | – |
| prices | object | yes | – |
| state | object | yes | – |
| url | string | yes | – |
| view | – | yes | – |
No examples provided.
find_coins Find coins ~64
Native precious-metal coin presets with issue years, images, metal specifications and current melt value per coin, filtered by name or metal.
| Name | Type | Req | Description |
|---|---|---|---|
| cursor | string | – | – |
| metal | string | – | – |
| pageSize | integer | – | – |
| query | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| continuation | boolean | – | – |
| items | array | yes | – |
| nextCursor | – | yes | – |
| pageSize | integer | yes | – |
| prices | object | yes | – |
| query | string | yes | – |
| request | object | yes | – |
| total | integer | yes | – |
| view | – | yes | – |
No examples provided.
get_coin Get coin ~40
A native precious-metal coin preset with issue years, image, specifications and a quantity-one melt calculation at the current website quote.
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calculation | object | yes | – |
| item | object | – | – |
| message | string | yes | – |
| mode | string | yes | – |
| pdfUrl | string | yes | – |
| prices | object | yes | – |
| state | object | yes | – |
| url | string | yes | – |
| view | – | yes | – |
No examples provided.
How do I install the ExactMelt MCP server?
ExactMelt is a hosted endpoint at https://exactmelt.com/api/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · exactmelt.com
claude mcp add --transport http com-exactmelt-exactmelt-com 'https://exactmelt.com/api/mcp'
What is the ExactMelt MCP server?
ExactMelt is an MCP server listed in the public MCP registry as com.exactmelt/exactmelt-com. Metal and coin melt values. This page covers its hosted endpoint (https://exactmelt.com/api/mcp).
Is the ExactMelt MCP server safe to use?
ExactMelt scores 72 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the ExactMelt MCP server expose?
ExactMelt exposes 6 tools: calculate_melt_value, calculate_coin_value, find_coins, get_coin, calculate_exchange, calculate_penny_nickel. Their descriptions and schemas cost roughly 558 tokens of context every time the server is loaded.
Does the ExactMelt MCP server require authentication?
No. We connected to ExactMelt without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the ExactMelt MCP server still maintained?
ExactMelt is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.