[Fibonacci / Retracement / Extension] フィボナッチ分析（fibonacci / retracement / extension / swing high-low）。スイング自動検出→リトレースメント/エクステンション水準を算出。過去の反応実績（反発率・リターン）付き。 複数タイムフレーム分析には analyze_mtf_fibonacci を使用。
AI agents call analyze_fibonacci 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 and analyzes cryptocurrency market data to compute Fibonacci technical indicators and retracement levels. It has no side effects—it does not create, modify, delete, or execute any actions. It simply queries and processes existing market data to provide analytical output.
From the tool's definition Tool performs Fibonacci analysis, retracement/extension level calculation, and historical reaction analysis. Description indicates it 'analyzes' and 'calculates' technical levels without modifying data, executing trades, or triggering external operations.
Attacks that exploit this kind of access
[Fibonacci / Retracement / Extension] フィボナッチ分析（fibonacci / retracement / extension / swing high-low）。スイング自動検出→リトレースメント/エクステンション水準を算出。過去の反応実績（反発率・リターン）付き。 複数タイムフレーム分析には analyze_mtf_fibonacci を使用。. 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 analyze_fibonacci: 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.
analyze_fibonacci 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 analyze_fibonacci 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 analyze_fibonacci. 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.
analyze_fibonacci 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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