get_usage_ledger

Get an aggregate local usage ledger for tasks, projects, runs, commands, costs, durations, storage, and simulated quotas.

SERVERTodos SOURCE@hasna/todos

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/todos/get-usage-ledger.md

WHAT IT DOES

What get_usage_ledger does on Todos

AI agents call get_usage_ledger to retrieve information from Todos 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_usage_ledger is rated Low

This tool queries and returns aggregated usage statistics without creating, modifying, deleting, or executing operations. It is a pure read operation with minimal blast radius — disclosing usage data would be a confidentiality concern but not a safety hazard if an AI agent calls it.

From the tool's definition Tool name is 'get_usage_ledger' and description states it 'Get[s] an aggregate local usage ledger' — a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_usage_ledger safely

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

get_usage_ledger Allowed

get_usage_ledger 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_usage_ledger": {}
  }
}

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

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

FAQ

Questions about get_usage_ledger

What does the get_usage_ledger tool do? +

Get an aggregate local usage ledger for tasks, projects, runs, commands, costs, durations, storage, and simulated quotas. It is categorised as a Read tool in the Todos MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_usage_ledger? +

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

What risk level is get_usage_ledger? +

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

Can I rate-limit get_usage_ledger? +

Yes. Add a rate_limit block to the get_usage_ledger 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_usage_ledger completely? +

Set action: deny in the PolicyLayer policy for get_usage_ledger. 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_usage_ledger? +

get_usage_ledger is provided by the Todos MCP server (@hasna/todos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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