Get a chart-of-accounts record by UID.
AI agents call myob_account_get to retrieve information from MYOB Codex MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a single account record from the chart of accounts using a unique identifier. The verb 'Get' combined with the read-only context stated in the server description ('read-only tools by default') confirms this is a data retrieval operation with no side effects. Misuse would only expose financial data visibility, not enable modification, deletion, or financial transactions.
From the tool's definition Tool name 'myob_account_get' and description 'Get a chart-of-accounts record by UID' indicate retrieval of accounting data with no modification capability.
Attacks that exploit this kind of access
Get a chart-of-accounts record by UID. It is categorised as a Read tool in the MYOB Codex MCP MCP Server, which means it retrieves data without modifying state.
Register the MYOB Codex MCP server in PolicyLayer and add a rule for myob_account_get: 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 MYOB Codex MCP. Nothing to install.
myob_account_get is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the myob_account_get 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.
Set action: deny in the PolicyLayer policy for myob_account_get. 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.
myob_account_get is provided by the MYOB Codex MCP server (jaeko44/myob-codex-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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