plugins_search

THE RISK

Low Risk

Why plugins_search needs a policy

This tool retrieves information about available plugins from a marketplace without creating, modifying, deleting, or executing any code or operations. It is a straightforward read operation that returns search results. The severity is low because misuse would at worst return irrelevant plugin information, with no financial, destructive, or operational side effects.

From the tool's definition Tool description explicitly states it 'Search[es] for plugins' and 'Finds plugins matching the search query' — these are query/search operations with no modification or execution capabilities.

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

POLICY

How to control plugins_search

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 plugins_search:

policy.json

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

plugins_search 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 →

Free to start. No card required.

EXPLORE

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All 1318 Sperax Ecosystem Crypto & DeFI MCP Server tools →

Read tools on other servers

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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 plugins_search

What does the plugins_search tool do? +

Search for plugins by keyword in the SperaxOS plugin marketplace. Finds plugins matching the search query in name, description, or tags. 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 plugins_search? +

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

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

Can I rate-limit plugins_search? +

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

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

plugins_search 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 →