calculate_percentage_price_oscillator

THE RISK

Low Risk

Why calculate_percentage_price_oscillator needs a policy

This is a read-only analytical tool that performs mathematical computation on public market data to derive technical indicators. It has no side effects on blockchain state, user accounts, or financial positions. Even if misused by an AI agent, it merely returns calculated values without enabling trades, transfers, or state changes.

From the tool's definition Tool calculates technical analysis metrics (PPO) from Binance OHLCV data; no modification, deletion, or execution of transactions occurs.

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

POLICY

How to control calculate_percentage_price_oscillator

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_percentage_price_oscillator:

policy.json

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

calculate_percentage_price_oscillator 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.

CAP THIS TOOL →

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EXPLORE

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The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about calculate_percentage_price_oscillator

What does the calculate_percentage_price_oscillator tool do? +

Calculate the Percentage Price Oscillator (PPO) 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_percentage_price_oscillator? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for calculate_percentage_price_oscillator: 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_percentage_price_oscillator? +

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

Can I rate-limit calculate_percentage_price_oscillator? +

Yes. Add a rate_limit block to the calculate_percentage_price_oscillator 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_percentage_price_oscillator completely? +

Set action: deny in the PolicyLayer policy for calculate_percentage_price_oscillator. 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_percentage_price_oscillator? +

calculate_percentage_price_oscillator 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.

CHECK YOUR STACK →