get_sentiment_state
Get the current crypto sentiment state including Fear & Greed Index, 7-day trend, contrarian signals, and whether extreme fear/greed opportunities are active.
This record as markdown: /tools/0xhashy-fathom-fyi/get-sentiment-state.md
What get_sentiment_state does on Fathom Fyi
AI agents call get_sentiment_state 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_sentiment_state is rated Low
This tool gathers market sentiment metrics and technical indicators for analysis. While used in a financial intelligence context, it performs no transactions, code execution, or data modification. The output informs decision-making but does not commit capital or execute trades. Severity is low because misuse yields only bad analysis, not direct financial harm or irreversible changes.
From the tool's definition Tool name 'get_sentiment_state' with description explicitly stating it retrieves/queries 'current crypto sentiment state' (Fear & Greed Index, trends, signals). No write, execute, destructive, or financial operations—purely informational data retrieval.
Attacks that exploit this kind of access
The rule that runs get_sentiment_state 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_sentiment_state, this is the rule to start with:
get_sentiment_state 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_sentiment_state call is checked against it from then on.
Questions about get_sentiment_state
Get the current crypto sentiment state including Fear & Greed Index, 7-day trend, contrarian signals, and whether extreme fear/greed opportunities are active. 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_sentiment_state: 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_sentiment_state 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_sentiment_state 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_sentiment_state. 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_sentiment_state 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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