Currensor MCP

A free and open-source MCP server that provides live currency conversion for 166 currencies. It allows AI agents to perform real-time exchange rate lookups and display interactive in-chat cards with multi-currency views, supporting features like smart swap logic and shareable conversion images without requiring user sign-in or API keys.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Community listingStreamable HTTPNo sign-inEndpoint checked 2026-11-06Published by Kay0sstheory

MCP endpoint (Streamable HTTP)

https://currensor-mcp.currensor-mcp.workers.dev/mcp

Vendor documentation

What its tools do

1 tool, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (1)

convert_currency

1 of 1 have a description · 1 of 1 declare behavior hints · 1 of 1 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

Passed Endpoint answered the live check · Nov 6, 2026, 3:21 PM UTC
Availability 1 of 1 checks passed in 30 days

What you can do with it

Convert 250 CAD to INR, EUR and JPY
Check live exchange rates for 166 currencies
Generate shareable PNG conversion cards
View multi-currency conversions side by side

Source and maintenance

Community listingRegistry 1.0.1

mcp-registry: io.github.Kay0sstheory/currensor@1.0.1 Source repository Project website

Maintenance checked: Nov 6, 2026, 3:14 PM UTC

Protocol and capabilities

Server: currensor 1.0.0
MCP protocol negotiated in check: 2025-11-25
Tools: 1 advertised
Resources: 1 advertised
Resource templates: 0 advertised
Prompts: Not advertised

Server-advertised capabilities

{
  "tools": {},
  "resources": {},
  "extensions": {
    "io.modelcontextprotocol/ui": {}
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

Use convert_currency whenever the user asks about exchange rates or converting money between currencies.

Tools

1 advertised

convert_currency — Convert currency

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Convert an amount from one currency into one or more others at live market rates, shown as an interactive card. Use ISO 4217 codes (USD, EUR, INR, JPY…). Covers 166 currencies, refreshed hourly.

convert_currency input schema

{
  "type": "object",
  "required": [
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 12,
      "minItems": 1,
      "description": "Target currency codes, e.g. [\"EUR\", \"INR\"]."
    },
    "from": {
      "type": "string",
      "description": "Source currency code, e.g. \"USD\"."
    },
    "amount": {
      "type": "number",
      "minimum": 0,
      "description": "Amount in the source currency. Defaults to 1."
    }
  }
}

convert_currency output schema

{
  "type": "object",
  "required": [
    "amount",
    "from",
    "fromName",
    "fromFlag",
    "zeroDecimal",
    "results",
    "updated",
    "source"
  ],
  "properties": {
    "from": {
      "type": "string",
      "description": "Source currency code."
    },
    "amount": {
      "type": "number",
      "description": "The amount converted."
    },
    "source": {
      "type": "string",
      "description": "Which rate feed answered."
    },
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "code",
          "name",
          "flag",
          "rate",
          "value",
          "display"
        ],
        "properties": {
          "code": {
            "type": "string"
          },
          "flag": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "rate": {
            "type": "number",
            "description": "Units of this currency per 1 unit of the source."
          },
          "value": {
            "type": "number"
          },
          "display": {
            "type": "string",
            "description": "Value formatted for reading."
          }
        }
      }
    },
    "updated": {
      "type": "string",
      "description": "When the rates were published (ISO 8601)."
    },
    "fromFlag": {
      "type": "string"
    },
    "fromName": {
      "type": "string"
    },
    "zeroDecimal": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Codes shown without decimals."
    }
  }
}

convert_currency annotations

{
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

1 advertised

Currensor card

Advertised by the server during the last successful anonymous check.

Currensor card URI

ui://currensor/card.html

MIME type: text/html;profile=mcp-app

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (2 of 2 answered).

2026-11-06: 1 of 1 checks answered
2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks: 1 of 1 (100%)
Average latency: 502 ms
95th percentile latency: 502 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 6, 2026, 3:21 PM UTC · probe · passed · 502 ms · metadata changed · 1 tool(s), 1 resource(s), 0 resource template(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http currensor-mcp https://currensor-mcp.currensor-mcp.workers.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add currensor-mcp --url https://currensor-mcp.currensor-mcp.workers.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable currensor-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "currensor-mcp": {
      "url": "https://currensor-mcp.currensor-mcp.workers.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).

Cline configuration

{
  "mcpServers": {
    "currensor-mcp": {
      "type": "streamableHttp",
      "url": "https://currensor-mcp.currensor-mcp.workers.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start currensor-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "currensor-mcp": {
      "type": "http",
      "url": "https://currensor-mcp.currensor-mcp.workers.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http currensor-mcp https://currensor-mcp.currensor-mcp.workers.dev/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.

Claude Desktop configuration

https://currensor-mcp.currensor-mcp.workers.dev/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "currensor-mcp": {
      "serverUrl": "https://currensor-mcp.currensor-mcp.workers.dev/mcp"
    }
  }
}

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