get_v2_historicalChainTvl

Get historical TVL (excludes liquid staking and double counted tvl) of DeFi on all chains

SERVERDefillama SOURCE@nic0xflamel/defillama-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/defillama/get-v2-historicalchaintvl.md

WHAT IT DOES

What get_v2_historicalChainTvl does on Defillama

AI agents call get_v2_historicalChainTvl 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.

RISK

Why get_v2_historicalChainTvl is rated Low

This tool retrieves historical Total Value Locked (TVL) data from the DefiLlama API. It is a read-only query operation that returns blockchain/DeFi metrics without creating, modifying, deleting, or executing any code. The low severity reflects minimal risk; misuse would only return financial data, not affect any assets or operations.

From the tool's definition Tool name 'get_v2_historicalChainTvl' uses the 'get' prefix and description states 'Get historical TVL' — a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_v2_historicalChainTvl 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_v2_historicalChainTvl, this is the rule to start with:

get_v2_historicalChainTvl Allowed

get_v2_historicalChainTvl 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_v2_historicalChainTvl": {}
  }
}

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_v2_historicalChainTvl call is checked against it from then on.

FAQ

Questions about get_v2_historicalChainTvl

What does the get_v2_historicalChainTvl tool do? +

Get historical TVL (excludes liquid staking and double counted tvl) of DeFi on all chains. It is categorised as a Read tool in the Defillama MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_v2_historicalChainTvl? +

Register the Defillama MCP server in PolicyLayer and add a rule for get_v2_historicalChainTvl: 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_v2_historicalChainTvl? +

get_v2_historicalChainTvl is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_v2_historicalChainTvl? +

Yes. Add a rate_limit block to the get_v2_historicalChainTvl 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_v2_historicalChainTvl completely? +

Set action: deny in the PolicyLayer policy for get_v2_historicalChainTvl. 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_v2_historicalChainTvl? +

get_v2_historicalChainTvl 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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