plugins_defillama_tvl

THE RISK

Low Risk

Why plugins_defillama_tvl needs a policy

This tool retrieves and queries publicly available DeFi metrics (TVL, chain breakdown, historical data) from DefiLlama without creating, modifying, deleting, or executing any operations. It is a pure read operation with no capability to affect state or execute code. The blast radius is minimal as misuse would only result in excessive data fetching at worst.

From the tool's definition Tool name 'plugins_defillama_tvl' and description 'Get DeFi protocol TVL (Total Value Locked) and metrics from DefiLlama. Returns TVL, chain breakdown, and historical data.' indicate a data retrieval operation with no side effects.

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

POLICY

How to control plugins_defillama_tvl

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_defillama_tvl:

policy.json

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

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

Questions about plugins_defillama_tvl

What does the plugins_defillama_tvl tool do? +

Get DeFi protocol TVL (Total Value Locked) and metrics from DefiLlama. Returns TVL, chain breakdown, and historical 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 plugins_defillama_tvl? +

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

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

Can I rate-limit plugins_defillama_tvl? +

Yes. Add a rate_limit block to the plugins_defillama_tvl 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_defillama_tvl completely? +

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

plugins_defillama_tvl 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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