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Part of the Forge server.
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AI agents call purchase_pro_key to retrieve information from Forge without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though purchase_pro_key only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"purchase_pro_key": {}
}
}See the full Forge policy for all 5 tools.
These attack patterns abuse exactly the kind of access purchase_pro_key gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Get instructions to purchase a Pro API key ($9 one-time) for full comparisons and AI recommendations. Unlock detailed analysis, growth trends, and personalized tool recommendations.. It is categorised as a Read tool in the Forge MCP Server, which means it retrieves data without modifying state.
Register the Forge MCP server in PolicyLayer and add a rule for purchase_pro_key: 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 Forge. Nothing to install.
purchase_pro_key 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 purchase_pro_key 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 purchase_pro_key. 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.
purchase_pro_key is provided by the Forge MCP server (openclaw-ai/agentforge-compare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Forge tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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