get_balance

Account USDC for the configured sub-account.

SERVERLighter MCP SOURCE0xdegenmo/lighter-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/0xdegenmo-lighter-mcp/get-balance.md

WHAT IT DOES

What get_balance does on Lighter MCP

AI agents call get_balance to retrieve information from Lighter MCP 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_balance is rated Low

This tool retrieves account balance information without modifying any data, executing code, or performing financial transactions. It is a simple read/query operation. The severity is low because exposure of balance data alone does not enable destructive or financial actions; an attacker would still need separate tools to move funds or execute trades.

From the tool's definition Tool name is 'get_balance' and description states it retrieves 'Account USDC for the configured sub-account' — a query operation with no modifications or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_balance safely

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

get_balance Allowed

get_balance 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_balance": {}
  }
}

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

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

FAQ

Questions about get_balance

What does the get_balance tool do? +

Account USDC for the configured sub-account. It is categorised as a Read tool in the Lighter MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_balance? +

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

What risk level is get_balance? +

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

Can I rate-limit get_balance? +

Yes. Add a rate_limit block to the get_balance 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_balance completely? +

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

get_balance is provided by the Lighter MCP server (0xdegenmo/lighter-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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