frankfurter-convert

Convert an amount from one currency to another using the latest ECB reference rate.

SERVERMeta Data Mcp SOURCEpypi:meta-data-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/frankfurter-convert.md

WHAT IT DOES

What frankfurter-convert does on Meta Data Mcp

AI agents call frankfurter-convert to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why frankfurter-convert is rated Low

This tool performs a currency conversion calculation using reference exchange rates from the European Central Bank. It only reads/queries rate data and computes a conversion — it does not move money, execute trades, or commit any financial obligations. It is purely informational/read-only.

From the tool's definition Convert an amount from one currency to another using the latest ECB reference rate

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs frankfurter-convert safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For frankfurter-convert, this is the rule to start with:

frankfurter-convert Allowed

frankfurter-convert is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "frankfurter-convert": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every frankfurter-convert call is checked against it from then on.

FAQ

Questions about frankfurter-convert

What does the frankfurter-convert tool do? +

Convert an amount from one currency to another using the latest ECB reference rate. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on frankfurter-convert? +

Register the Meta Data MCP server in PolicyLayer and add a rule for frankfurter-convert: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Meta Data Mcp. Nothing to install.

What risk level is frankfurter-convert? +

frankfurter-convert is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit frankfurter-convert? +

Yes. Add a rate_limit block to the frankfurter-convert rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block frankfurter-convert completely? +

Set action: deny in the PolicyLayer policy for frankfurter-convert. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides frankfurter-convert? +

frankfurter-convert is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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