MCP MeasureMCP Measure

index observed

Japan FX Rates (JPY) MCP

JPY exchange rates and conversions.

Should I use this

Quality & Safety

A
Description quality
93%
Schema completeness
85%
Naming quality
87%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~209Tokens (tool definitions)
~472 BTypical response size
Minimal attention impact (0.16% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "jp-fx-rates-mcp": {
      "url": "https://jp-fx-rates-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-fx-rates-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪fx_rate(currency)

FREE. Latest JPY exchange rate vs one currency (e.g. USD, EUR, GBP, AUD).

Input Schema

{
  "type": "object",
  "properties": {
    "currency": {
      "type": "string"
    }
  },
  "required": [
    "currency"
  ]
}
⚪convert(amount, from, to, access_token)

PRO. Convert an amount between JPY and another currency.

Input Schema

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "number"
    },
    "from": {
      "type": "string"
    },
    "to": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "amount",
    "from",
    "to"
  ]
}
⚪fx_table(access_token)

PRO. Latest JPY rates vs USD,EUR,GBP,AUD,CAD,CHF,CNY,KRW.

Input Schema

{
  "type": "object",
  "properties": {
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded3 tools