mkt-btc-price-by-timestamp

THE RISK

Low Risk

Why mkt-btc-price-by-timestamp needs a policy

This tool performs a simple data retrieval operation—fetching historical Bitcoin price information for a given timestamp. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions (it merely reports a market price, not conducting trades or payments). The read category is appropriate for informational queries with minimal security risk.

From the tool's definition Tool name 'mkt-btc-price-by-timestamp' and description 'Returns BTC-USD price for the provided UTC timestamp' indicate a query operation that retrieves historical market price data without modifying, executing operations, or moving funds.

Documented attack patterns abuse exactly the kind of access mkt-btc-price-by-timestamp gives an agent:

POLICY

How to control mkt-btc-price-by-timestamp

PolicyLayer is an MCP gateway — it sits between your AI agents and Maestro MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for mkt-btc-price-by-timestamp:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "mkt-btc-price-by-timestamp": {}
  }
}

mkt-btc-price-by-timestamp is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Maestro MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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FAQ

Questions about mkt-btc-price-by-timestamp

What does the mkt-btc-price-by-timestamp tool do? +

Returns BTC-USD price for the provided UTC timestamp. It is categorised as a Read tool in the Maestro MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mkt-btc-price-by-timestamp? +

Register the Maestro MCP Server MCP server in PolicyLayer and add a rule for mkt-btc-price-by-timestamp: 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 Maestro MCP Server. Nothing to install.

What risk level is mkt-btc-price-by-timestamp? +

mkt-btc-price-by-timestamp is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit mkt-btc-price-by-timestamp? +

Yes. Add a rate_limit block to the mkt-btc-price-by-timestamp 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 mkt-btc-price-by-timestamp completely? +

Set action: deny in the PolicyLayer policy for mkt-btc-price-by-timestamp. 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 mkt-btc-price-by-timestamp? +

mkt-btc-price-by-timestamp is provided by the Maestro MCP Server MCP server (maestro-org/maestro-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Maestro MCP Server tool call.

Start from Maestro MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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