MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

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

Read-only probes

StackerScan

Claim this listing

com.stackerscan/stackerscan

stackerscan.comVerified

Five read-only tools: spot prices, observed premiums, price history, Goldback rate, and currencies.

OtherIs StackerScan down?Alternatives

13 of 22 checks passed

  • Handshake
  • Tools listed
  • Updated recently

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Connect to server
Median latency
540 ms
Uptime, 30 days
Not measured
Last checked

Measurement details

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 540 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name StackerScan.

  • Pass
    Lists tools

    tools/list returned 6 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 540 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 540 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

    17 of 19 parameters have a description (89%). 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 2026-10-08T14:45:24.158395Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Tools

  • get_goldback_rate

    The latest Goldback premium multiple over its gold content, and the exchange rate that follows from it.

    Measured

  • get_how_to_use

    StackerScan's How to Use guide in any app language: its table of contents, or one section as markdown quoting the app's own button and field labels. Sections: createAccount (Your Account), stackSettings (Stack Settings), addItems (Adding Items to Your Stack), editItems (Editing, Selling and Deleting Items), addPhotos (Adding Photos to Your Items), managePortfolio (Understanding Your Portfolio Overview), worthToday (How Items Are Valued), dataFields (Understanding Your Item Data Fields), useTags (How to Use Tags), useCredits (Using Credits), trackPrices (Tracking Metal Prices), premiums (Checking Premiums), stackChat (Asking About Your Stack).

    Measured

  • get_observed_premiums

    Rolling fine-metal-weighted median asking premiums for silver, gold, platinum, palladium, copper, nickel and Goldback, observed from marketplace listings.

    Measured

  • get_price_history

    Daily historical series for charting — one metal or the Goldback.

    Measured

  • get_spot_prices

    Current and previous-session spot prices for gold, silver, platinum, palladium, copper and nickel, in any supported currency and per troy ounce or gram.

    Measured

  • list_supported_currencies

    The live list of codes every `currency`/`base` parameter accepts — ISO 4217 fiat plus the metal codes.

    Measured

Probe history

  • ok540 ms6 tools

Status and uptime

Add badge to your README

The image links back to this page. It shows checks passed, or uptime, and the colour follows the latest status. Responses are cached for 5 to 15 minutes.

MCP Heartbeat badge

Markdown

[![MCP Heartbeat](https://mcpheartbeat.com/badge/com.stackerscan/stackerscan.svg)](https://mcpheartbeat.com/s/com.stackerscan/stackerscan)

HTML

<a href="https://mcpheartbeat.com/s/com.stackerscan/stackerscan"><img alt="MCP Heartbeat" src="https://mcpheartbeat.com/badge/com.stackerscan/stackerscan.svg"></a>

Uptime markdown

[![MCP Heartbeat uptime](https://mcpheartbeat.com/badge/com.stackerscan/stackerscan.svg?kind=uptime)](https://mcpheartbeat.com/s/com.stackerscan/stackerscan)

Served from https://mcpheartbeat.com.

Related servers

All alternatives

Same function and industry, ranked by checks passed then median latency.

  • Responded16 / 22 checks passed
    Catalyst evidence graph

    catalystproject.aiVerified

    Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.

    OtherOther

    • Handshake
    • Tools listed
    • Updated recently

    Median latency 699 ms · Last checked

  • Responded15 / 22 checks passed
    wcway

    wcway.comVerified

    Find the nearest public toilet worldwide. Read-only tools, no account, no API key.

    OtherOther

    • Handshake
    • Tools listed
    • Updated recently

    Median latency 49 ms · Last checked

  • Responded15 / 22 checks passed
    Pick My Costume

    pickmycostume.comVerified

    Recommends Halloween costumes you can actually build, with step-by-step DIY build guides.

    OtherOther

    • Handshake
    • Tools listed
    • Updated recently

    Median latency 57 ms · Last checked

  • Responded15 / 22 checks passed
    Routine Run: write a routine

    routinerun.comVerified

    Write a step-by-step routine and get a link that opens it in Routine Run on iPhone. No sign-in.

    OtherOther

    • Handshake
    • Tools listed
    • Updated recently

    Median latency 62 ms · Last checked

Connect to this server

Claude Code

claude mcp add --transport http stackerscan https://www.stackerscan.com/mcp

Cursor .cursor/mcp.json

{
  "mcpServers": {
    "stackerscan": {
      "url": "https://www.stackerscan.com/mcp"
    }
  }
}

VS Code .vscode/mcp.json

{
  "servers": {
    "stackerscan": {
      "type": "http",
      "url": "https://www.stackerscan.com/mcp"
    }
  }
}