get_contract_logs | PolicyLayer

WHAT IT DOES

What get_contract_logs does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call get_contract_logs to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why get_contract_logs needs a policy

This tool retrieves blockchain event logs, which is a read-only query operation. It queries past state without creating, modifying, deleting, or executing anything. The blast radius of misuse is minimal—an agent could only access logs that are already public blockchain data.

From the tool's definition Tool name is 'get_contract_logs' with description 'Get event logs from a specific contract'. The verb 'Get' and noun 'logs' indicate data retrieval with no modification or side effects. Event logs are immutable historical records on the blockchain.

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

POLICY

How to control get_contract_logs

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 get_contract_logs:

policy.json

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

get_contract_logs 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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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_contract_logs

What does the get_contract_logs tool do? +

Get event logs from a specific contract. 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 get_contract_logs? +

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

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

Can I rate-limit get_contract_logs? +

Yes. Add a rate_limit block to the get_contract_logs 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 get_contract_logs completely? +

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

get_contract_logs 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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1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.