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Part of the Cooper server.
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AI agents use createLead to create or modify resources in Cooper. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call createLead repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Cooper.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"createLead": {
"limits": [
{
"counter": "createlead_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Cooper policy for all 12 tools.
These attack patterns abuse exactly the kind of access createLead gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Registra a un visitante interesado en contratar un servicio de Cooper. Llamar APENAS se tenga UN dato de contacto (email O phone, lo que llegue primero) — no esperar a tener ambos. Útil para anotar al user fuera de cobertura, o para signup ligero antes de cuenta completa. Pasar message con resumen breve del interés.. It is categorised as a Write tool in the Cooper MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Cooper MCP server in PolicyLayer and add a rule for createLead: 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 Cooper. Nothing to install.
createLead 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 createLead 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 createLead. 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.
createLead is provided by the Cooper MCP server (https://www.cooperpetcare.app/api/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 12 Cooper tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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