[Depth Chart / Order Book Visualization] 板の深さチャートを SVG 生成（depth chart / order book visualization / bid-ask depth）。 クライアント側（Claude.ai の Visualizer 等）で描画可能な場合は prepare_depth_data を優先し、本ツールは SVG/PNG ファイル保存（preferFile / autoSave）やファイル埋め込み用途にフォールバックする位置づけ。 data.svg を HTML に埋め込んで表示。
AI agents call render_depth_svg 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.
The tool retrieves cryptocurrency market data (order book depth) and generates visual representations (SVG/PNG) for display purposes. It has no side effects on data or financial operations. While it involves file operations (saving SVG/PNG), these are output-only visualization artifacts with no bearing on financial state or market data integrity.
From the tool's definition Tool description indicates 'SVG generation' and 'visualization' with 'prepare_depth_data' for client-side rendering and this tool as a fallback for 'SVG/PNG file saving' and 'file embedding'.
Attacks that exploit this kind of access
[Depth Chart / Order Book Visualization] 板の深さチャートを SVG 生成（depth chart / order book visualization / bid-ask depth）。 クライアント側（Claude.ai の Visualizer 等）で描画可能な場合は prepare_depth_data を優先し、本ツールは SVG/PNG ファイル保存（preferFile / autoSave）やファイル埋め込み用途にフォールバックする位置づけ。 data.svg を HTML に埋め込んで表示。. 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 render_depth_svg: 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.
render_depth_svg 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 render_depth_svg 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 render_depth_svg. 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.
render_depth_svg 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.
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