Set a price alert on a product. Get notified via webhook when the price drops below your target.
Risk signalsHandles credentials or secrets (apiKey)
Part of the BopMarketplace server.
Free to start. No card required.
AI agents use create_price_watch to create or modify resources in BopMarketplace. 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 create_price_watch 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 BopMarketplace.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"create_price_watch": {
"limits": [
{
"counter": "create_price_watch_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full BopMarketplace policy for all 20 tools.
These attack patterns abuse exactly the kind of access create_price_watch 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.
Set a price alert on a product. Get notified via webhook when the price drops below your target.. It is categorised as a Write tool in the BopMarketplace MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the BopMarketplace MCP server in PolicyLayer and add a rule for create_price_watch: 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 BopMarketplace. Nothing to install.
create_price_watch 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_price_watch 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_price_watch. 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_price_watch is provided by the BopMarketplace MCP server (bopmarket/marketplace). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 20 BopMarketplace tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.