[Maintenance / Fees] /spot/pairs 手数料レートの TTL キャッシュ（既定 1h）を強制再取得する。キャンペーン境界などで最新の maker/taker 手数料率を即時反映したいときに使う。引数なしで全ペアを再取得（pair 指定で対象ペアの率を強調表示）。
AI agents call refresh_pairs_cache to retrieve information from Bitbank Lab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves cryptocurrency fee rate data from the bitbank API and refreshes cached fee information. Despite the maintenance context, the actual operation is querying and fetching current fee rates—a read-only operation. There are no side effects that modify exchange state, execute trades, delete data, or incur financial transactions.
From the tool's definition The tool description indicates it performs a cache refresh operation (/spot/pairs) to retrieve the latest fee rates. The Japanese text translates to: 'Force re-fetch the TTL cache (default 1h) of fee rates.
Attacks that exploit this kind of access
[Maintenance / Fees] /spot/pairs 手数料レートの TTL キャッシュ（既定 1h）を強制再取得する。キャンペーン境界などで最新の maker/taker 手数料率を即時反映したいときに使う。引数なしで全ペアを再取得（pair 指定で対象ペアの率を強調表示）。. It is categorised as a Read tool in the Bitbank Lab MCP Server, which means it retrieves data without modifying state.
Register the Bitbank Lab MCP server in PolicyLayer and add a rule for refresh_pairs_cache: 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 Bitbank Lab. Nothing to install.
refresh_pairs_cache is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the refresh_pairs_cache 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.
Set action: deny in the PolicyLayer policy for refresh_pairs_cache. 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.
refresh_pairs_cache is provided by the Bitbank Lab MCP server (tjackiet/bitbank-genesis-mcp-server-http-archive). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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