---
schema: "interfacedelta-service-md/1"
target_key: "sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570"
origin: "https://www.stackerscan.com"
protocols: ["mcp","ard"]
observed_at: "2026-11-12T11:06:15.191Z"
generated_at: "2026-11-13T00:57:00.971Z"
record_url: "https://interfacedelta.com/atlas/sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://www.stackerscan.com

## Identity
- Origin: https://www.stackerscan.com
- Endpoints: https://www.stackerscan.com/mcp
- Protocols: mcp, ard
- Registry names: com.stackerscan/stackerscan
- First retained observation: 2026-11-12T11:06:15.191Z
- Latest observation: 2026-11-12T11:06:15.191Z

## Tools
- Tool 1: get\_goldback\_rate (mcp); inputs: base; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
- Tool 2: get\_how\_to\_use (mcp); inputs: locale, section; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
- Tool 3: get\_observed\_premiums (mcp); inputs: cursor, limit, metal, query; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
- Tool 4: get\_price\_history (mcp); inputs: base, cursor, days, format, limit, metal; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
- Tool 5: get\_spot\_prices (mcp); inputs: base, metals, unit; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
- Tool 6: list\_supported\_currencies (mcp); inputs: cursor, limit, query; inputs omitted: 0; annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":true}
Tools omitted: 0.

## Effect readings (AI)
- Tool 1 (get\_goldback\_rate): ◇ AI reading; state: counted; reads (confidence 0.86); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 2 (get\_how\_to\_use): ◇ AI reading; state: counted; reads (confidence 0.8); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 3 (get\_observed\_premiums): ◇ AI reading; state: counted; reads (confidence 0.82); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 4 (get\_price\_history): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 5 (get\_spot\_prices): ◇ AI reading; state: counted; reads (confidence 0.88); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 6 (list\_supported\_currencies): ◇ AI reading; state: counted; reads (confidence 0.87); lens: side-effects@1; model: claude-haiku-5.5.

## Change history
No changes recorded in the retained history.

## Payment rails
- Protocols observed: none.
- HTTP 402 seen in retained observations: false.

## Not covered
- We don't call tools.
- We don't rate or certify.
- We don't publish prices.
- We cover only what was observed.

## Evidence
- Identity: observed / declared; observation time: 2026-11-12T11:06:15.191Z.
- Tools: declared; observation time: 2026-11-12T11:06:15.191Z.
- Effect readings (AI): AI reading; observation time: 2026-11-12T11:06:15.191Z.
- Change history: observed; observation time: 2026-11-12T11:06:15.191Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-12T11:06:15.191Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570",
  "origin": "https://www.stackerscan.com",
  "protocols": [
    "mcp",
    "ard"
  ],
  "observed_at": "2026-11-12T11:06:15.191Z",
  "generated_at": "2026-11-13T00:57:00.971Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:282c4d5e1b82433b3f424a4b79307af8addab672b249f260ae1c175a5a205570",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://www.stackerscan.com",
    "endpoints": [
      "https://www.stackerscan.com/mcp"
    ],
    "protocols": [
      "mcp",
      "ard"
    ],
    "registry_names": [
      "com.stackerscan/stackerscan"
    ],
    "first_retained_observation": "2026-11-12T11:06:15.191Z",
    "latest_observation": "2026-11-12T11:06:15.191Z"
  },
  "tools": [
    {
      "name": "get_goldback_rate",
      "protocol": "mcp",
      "inputs": [
        "base"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.86
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_how_to_use",
      "protocol": "mcp",
      "inputs": [
        "locale",
        "section"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.8
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_observed_premiums",
      "protocol": "mcp",
      "inputs": [
        "cursor",
        "limit",
        "metal",
        "query"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.82
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_price_history",
      "protocol": "mcp",
      "inputs": [
        "base",
        "cursor",
        "days",
        "format",
        "limit",
        "metal"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_spot_prices",
      "protocol": "mcp",
      "inputs": [
        "base",
        "metals",
        "unit"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.88
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "list_supported_currencies",
      "protocol": "mcp",
      "inputs": [
        "cursor",
        "limit",
        "query"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "destructiveHint": false,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.87
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    }
  ],
  "tools_omitted": 0,
  "tools_state": "recorded",
  "changes": [],
  "payment_rails": {
    "protocols": [],
    "http_402_seen": false
  },
  "not_covered": [
    "We don't call tools.",
    "We don't rate or certify.",
    "We don't publish prices.",
    "We cover only what was observed."
  ],
  "evidence": [
    {
      "section": "Identity",
      "classes": [
        "observed",
        "declared"
      ],
      "observed_at": "2026-11-12T11:06:15.191Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-12T11:06:15.191Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-12T11:06:15.191Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T11:06:15.191Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T11:06:15.191Z"
    }
  ]
}
```