crypto_fear_greed
Crypto Fear & Greed Index (0—100 sentiment) + 7-day history via Alternative.me for risk-on/off signals and entry/exit ga Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/com-gocreativeai-omnicall-agent-tools/crypto-fear-greed.md
What crypto_fear_greed does on Omnicall — Agent Tools Gateway
AI agents call crypto_fear_greed to retrieve information from Omnicall — Agent Tools Gateway without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
arg | string | Yes |
Parameters from the server's own tool schema.
Why crypto_fear_greed is rated Low
This is a pure data retrieval tool that queries an external sentiment index (Alternative.me) and returns historical trend data. It produces informational output only—no side effects, no code execution, no data modification, and no financial transaction (the USDC cost is a metering fee for API access, not a financial operation performed by the tool itself).
From the tool's definition Tool retrieves 'Crypto Fear & Greed Index (0—100 sentiment) + 7-day history via Alternative.me for risk-on/off signals'. The language 'retrieves', 'history', and 'signals' indicates data querying with no modification, execution, or financial commitment.
Attacks that exploit this kind of access
The rule that runs crypto_fear_greed safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Omnicall — Agent Tools Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crypto_fear_greed, this is the rule to start with:
crypto_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 Omnicall — Agent Tools Gateway, apply this rule, and every crypto_fear_greed call is checked against it from then on.
Questions about crypto_fear_greed
Crypto Fear & Greed Index (0—100 sentiment) + 7-day history via Alternative.me for risk-on/off signals and entry/exit ga Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the Omnicall — Agent Tools Gateway MCP Server, which means it retrieves data without modifying state.
crypto_fear_greed accepts 1 parameter: arg. Required: arg. The full parameter table on this page comes from the server's own tool schema.
Register the Omnicall — Agent Tools Gateway MCP server in PolicyLayer and add a rule for crypto_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 Omnicall — Agent Tools Gateway. Nothing to install.
crypto_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 crypto_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 crypto_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.
crypto_fear_greed is provided by the Omnicall — Agent Tools Gateway MCP server (https://omnicall.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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