sap_perp_fear_greed
Fetch the Crypto Fear & Greed Index from alternative.me (free, no API key). Returns current value (0-100), classification (Extreme Fear to Extreme Greed), historical values (yesterday, last week, last month), and a risk_on/risk_off recommendation. Use this as a market sentiment overlay before ope...
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What sap_perp_fear_greed does on Sap
AI agents call sap_perp_fear_greed to retrieve information from Sap without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why sap_perp_fear_greed is rated Low
Tool retrieves market sentiment data with no side effects, financial obligations, or external state changes.
From the tool's definition Fetch the Crypto Fear & Greed Index from alternative.me; returns current value, classification, historical values.
Attacks that exploit this kind of access
The rule that runs sap_perp_fear_greed safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sap, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sap_perp_fear_greed, this is the rule to start with:
sap_perp_fear_greed 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 Sap, apply this rule, and every sap_perp_fear_greed call is checked against it from then on.
Questions about sap_perp_fear_greed
Fetch the Crypto Fear & Greed Index from alternative.me (free, no API key). Returns current value (0-100), classification (Extreme Fear to Extreme Greed), historical values (yesterday, last week, last month), and a risk_on/risk_off recommendation. Use this as a market sentiment overlay before opening positions. Extreme Fear (<25) can indicate capitulation (contrarian bullish). Extreme Greed (>75) can indicate euphoria (contrarian bearish). SAP MCP execution guidance: Intent: SAP MCP tool workflow. Pricing: free; call directly without x402. Routing: free hosted call; call directly and keep it small/exact when possible. Signer boundary: hosted reads/builders never receive keypair bytes; value-moving results must be finalized locally when signing is required. It is categorised as a Read tool in the Sap MCP Server, which means it retrieves data without modifying state.
Register the Sap MCP server in PolicyLayer and add a rule for sap_perp_fear_greed: 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 Sap. Nothing to install.
sap_perp_fear_greed 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 sap_perp_fear_greed 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 sap_perp_fear_greed. 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.
sap_perp_fear_greed is provided by the Sap MCP server (https://mcp.sap.oobeprotocol.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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