Create an inventory adjustment (entry/exit/balance) in Omie ERP
AI agents use create_stock_adjustment 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 inventory adjustments within an ERP system, which modifies financial and operational data (stock levels). While it affects business records, the adjustment is created (not deleted) and can be reversed or corrected through subsequent adjustments. It is not a destructive operation that cannot be undone.
From the tool's definition Tool description states 'Create an inventory adjustment (entry/exit/balance) in Omie ERP' — the verb 'Create' and the action of adding inventory entries/exits are write operations that modify data reversibly.
Documented attack patterns abuse exactly the kind of access create_stock_adjustment 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 create_stock_adjustment:
{
"version": "1",
"default": "deny",
"tools": {
"create_stock_adjustment": {
"limits": [
{
"counter": "create_stock_adjustment_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_stock_adjustment 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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Create an inventory adjustment (entry/exit/balance) in Omie ERP. 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 create_stock_adjustment: 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.
create_stock_adjustment 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 create_stock_adjustment 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 create_stock_adjustment. 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.
create_stock_adjustment 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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