calculate_commodity_channel_index

THE RISK

Low Risk

Why calculate_commodity_channel_index needs a policy

The Commodity Channel Index is a standard technical analysis indicator computed from historical price data. The tool queries existing market data and performs a mathematical calculation, returning results without creating, modifying, or deleting any data. No transactions, smart contract interactions, or irreversible actions are involved. This is purely a data retrieval and analysis operation.

From the tool's definition Tool description states 'Calculate the Commodity Channel Index (CCI)' using 'Binance OHLCV data' — this is a technical analysis calculation that retrieves and processes publicly available market data without modifying state, executing code, or causing side…

Documented attack patterns abuse exactly the kind of access calculate_commodity_channel_index gives an agent:

POLICY

How to control calculate_commodity_channel_index

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for calculate_commodity_channel_index:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "calculate_commodity_channel_index": {}
  }
}

calculate_commodity_channel_index is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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FAQ

Questions about calculate_commodity_channel_index

What does the calculate_commodity_channel_index tool do? +

Calculate the Commodity Channel Index (CCI) for a given trading pair using Binance OHLCV data. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on calculate_commodity_channel_index? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for calculate_commodity_channel_index: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is calculate_commodity_channel_index? +

calculate_commodity_channel_index is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit calculate_commodity_channel_index? +

Yes. Add a rate_limit block to the calculate_commodity_channel_index 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.

How do I block calculate_commodity_channel_index completely? +

Set action: deny in the PolicyLayer policy for calculate_commodity_channel_index. 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.

What MCP server provides calculate_commodity_channel_index? +

calculate_commodity_channel_index is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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