Notify Legiti of an account profile change (email, phone, CPF, address). Convenience wrapper over track_account with action=
AI agents use track_account_update to create or update resources in Mcp Ap2 — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Ap2 environment.
This tool creates or modifies user account data reversibly. While it notifies an external system (Legiti) of changes rather than directly modifying a primary database, the core function is to record and communicate account profile updates. This qualifies as Write category (creates/modifies data reversibly) rather than Execute, as it is updating structured account fields rather than running arbitrary code.
From the tool's definition The tool description states it 'Notify Legiti of an account profile change (email, phone, CPF, address)' and is a 'wrapper over track_account with action='.
Documented attack patterns abuse exactly the kind of access track_account_update gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for track_account_update:
{
"version": "1",
"default": "deny",
"tools": {
"track_account_update": {
"limits": [
{
"counter": "track_account_update_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}track_account_update stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Notify Legiti of an account profile change (email, phone, CPF, address). Convenience wrapper over track_account with action=. It is categorised as a Write tool in the Mcp Ap2 MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for track_account_update: 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 Mcp Ap2. Nothing to install.
track_account_update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the track_account_update 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 track_account_update. 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.
track_account_update is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
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