get_tvl__by_protocol

Simplified endpoint to get current TVL of a protocol

SERVERDefillama SOURCE@nic0xflamel/defillama-mcp-server

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/defillama/get-tvl--by-protocol.md

WHAT IT DOES

What get_tvl__by_protocol does on Defillama

AI agents call get_tvl__by_protocol to retrieve information from Defillama without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`protocol`	string	Yes	protocol slug

Parameters from the server's own tool schema.

RISK

Why get_tvl__by_protocol is rated Low

This tool retrieves Total Value Locked (TVL) metrics for a DeFi protocol—a read-only query with no side effects. It does not create, modify, delete, or execute operations. The sibling tools (all prefixed with 'get_') reinforce that this is a data retrieval endpoint. No financial transactions or destructive actions are performed.

From the tool's definition Tool name 'get_tvl__by_protocol' and description 'Simplified endpoint to get current TVL of a protocol' indicate a retrieval operation that queries data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_tvl__by_protocol safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Defillama, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_tvl__by_protocol, this is the rule to start with:

get_tvl__by_protocol Allowed

get_tvl__by_protocol is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Defillama, apply this rule, and every get_tvl__by_protocol call is checked against it from then on.

FAQ

Questions about get_tvl__by_protocol

What does the get_tvl__by_protocol tool do? +

Simplified endpoint to get current TVL of a protocol. It is categorised as a Read tool in the Defillama MCP Server, which means it retrieves data without modifying state.

What parameters does get_tvl__by_protocol accept? +

get_tvl__by_protocol accepts 1 parameter: protocol. Required: protocol. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on get_tvl__by_protocol? +

Register the Defillama MCP server in PolicyLayer and add a rule for get_tvl__by_protocol: 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 Defillama. Nothing to install.

What risk level is get_tvl__by_protocol? +

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

Can I rate-limit get_tvl__by_protocol? +

Yes. Add a rate_limit block to the get_tvl__by_protocol 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_tvl__by_protocol completely? +

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

get_tvl__by_protocol is provided by the Defillama MCP server (@nic0xflamel/defillama-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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