Stop delivering a feed
AI agents use detach_feed_from_webhook to create or update resources in Feedbagel MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Feedbagel MCP Server environment.
Detaching a feed from a webhook modifies the webhook subscription configuration by removing a feed association. This is a reversible write operation since the feed can be re-attached. It is not destructive (no data is deleted), not financial, and not execute. Severity is medium because misuse could silently stop feed delivery, causing missed updates for users.
From the tool's definition 'Stop delivering a feed' — detaching a feed from a webhook removes an association but is likely reversible by re-attaching via 'attach_feed_to_webhook'
Attacks that exploit this kind of access
Stop delivering a feed. It is categorised as a Write tool in the Feedbagel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Feedbagel MCP Server MCP server in PolicyLayer and add a rule for detach_feed_from_webhook: 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 Feedbagel MCP Server. Nothing to install.
detach_feed_from_webhook 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 detach_feed_from_webhook 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 detach_feed_from_webhook. 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.
detach_feed_from_webhook is provided by the Feedbagel MCP Server MCP server (prototypr/feedbagel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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