Update an existing reviewlist entry — typically to extend or shorten the expiration window without removing and re-adding the entry.
AI agents use update_reviewlist_entry 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 modifies existing data (reviewlist entries) in a reversible manner by adjusting metadata (expiration windows). It does not delete data, execute arbitrary code, or move money, so it falls under Write rather than more severe categories.
From the tool's definition Tool description states 'Update an existing reviewlist entry' and explicitly describes modifying 'the expiration window' of existing records.
Documented attack patterns abuse exactly the kind of access update_reviewlist_entry 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 update_reviewlist_entry:
{
"version": "1",
"default": "deny",
"tools": {
"update_reviewlist_entry": {
"limits": [
{
"counter": "update_reviewlist_entry_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}update_reviewlist_entry 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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Update an existing reviewlist entry — typically to extend or shorten the expiration window without removing and re-adding the entry. 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 update_reviewlist_entry: 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.
update_reviewlist_entry 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 update_reviewlist_entry 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 update_reviewlist_entry. 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.
update_reviewlist_entry 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.
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1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.