get_derivatives_context
Derivatives intelligence: perpetual funding rates (BTC/ETH/SOL), options data (put/call ratio, open interest, implied volatility, max pain price), and leverage positioning. Critical for understanding market positioning and liquidation risk. Data from Deribit.
This record as markdown: /tools/0xhashy-fathom-fyi/get-derivatives-context.md
What get_derivatives_context does on Fathom Fyi
AI agents call get_derivatives_context to retrieve information from Fathom Fyi without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_derivatives_context is rated Low
This tool reads derivatives market data (perpetual funding rates, options metrics, leverage positioning) to inform decision-making. It has no write, execute, or destructive capability. Severity is medium rather than low because derivatives data carries financial significance — misuse could lead to poor trading decisions with material consequences — but the tool itself performs no transactions or irreversible actions.
From the tool's definition Tool description uses purely informational verbs: 'derivatives intelligence', 'understanding market positioning' — it retrieves and contextualizes data (funding rates, options metrics, leverage positions) without modifying state, executing trades, or…
Attacks that exploit this kind of access
The rule that runs get_derivatives_context safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Fathom Fyi, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_derivatives_context, this is the rule to start with:
get_derivatives_context is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Fathom Fyi, apply this rule, and every get_derivatives_context call is checked against it from then on.
Questions about get_derivatives_context
Derivatives intelligence: perpetual funding rates (BTC/ETH/SOL), options data (put/call ratio, open interest, implied volatility, max pain price), and leverage positioning. Critical for understanding market positioning and liquidation risk. Data from Deribit. It is categorised as a Read tool in the Fathom Fyi MCP Server, which means it retrieves data without modifying state.
Register the Fathom Fyi MCP server in PolicyLayer and add a rule for get_derivatives_context: 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 Fathom Fyi. Nothing to install.
get_derivatives_context 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 get_derivatives_context 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 get_derivatives_context. 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.
get_derivatives_context is provided by the Fathom Fyi MCP server (0xhashy/fathom-fyi). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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