get_apr_by_key

Get APR for a specific key

SERVERIndigo Protocol MCP SOURCEindigoprotocol/indigo-mcp

Low RISK CLASS

Category Read

Parameters 10 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/indigoprotocol-indigo-mcp/get-apr-by-key.md

WHAT IT DOES

What get_apr_by_key does on Indigo Protocol MCP

AI agents call get_apr_by_key to retrieve information from Indigo Protocol MCP 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
`key`	string	—	APR key, e.g. sp_iUSD_indy, sp_iUSD_ada, stake_ada

Parameters from the server's own tool schema.

RISK

Why get_apr_by_key is rated Low

This tool queries and returns APR (Annual Percentage Rate) information based on a provided key. It performs a straightforward data retrieval operation without creating, modifying, deleting, or executing any actions. The context of Indigo Protocol (a DeFi lending protocol) confirms this is a lookup function for interest rate information. No side effects or state changes occur from calling this tool.

From the tool's definition Tool name 'get_apr_by_key' and description 'Get APR for a specific key' indicate data retrieval with no modification or side effects. APR (Annual Percentage Rate) is a read-only financial metric.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_apr_by_key safely

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

get_apr_by_key Allowed

get_apr_by_key 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_apr_by_key": {}
  }
}

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

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

FAQ

Questions about get_apr_by_key

What does the get_apr_by_key tool do? +

Get APR for a specific key. It is categorised as a Read tool in the Indigo Protocol MCP MCP Server, which means it retrieves data without modifying state.

What parameters does get_apr_by_key accept? +

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

How do I enforce a policy on get_apr_by_key? +

Register the Indigo Protocol MCP server in PolicyLayer and add a rule for get_apr_by_key: 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 Indigo Protocol MCP. Nothing to install.

What risk level is get_apr_by_key? +

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

Can I rate-limit get_apr_by_key? +

Yes. Add a rate_limit block to the get_apr_by_key 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_apr_by_key completely? +

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

get_apr_by_key is provided by the Indigo Protocol MCP server (indigoprotocol/indigo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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