Fetch a single entry by its URL slug (matches /post/<slug> on the site).
AI agents call get_entry_by_slug to retrieve information from Feedbagel MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a single RSS feed entry by its URL slug. It performs a read-only query operation with no capability to modify, delete, or execute external actions. The blast radius of misuse is minimal—an agent could only read entries the user has access to. Confidence is high because the description explicitly states 'Fetch' (retrieval) with no mention of modification, deletion, or execution.
From the tool's definition Tool name 'get_entry_by_slug' and description 'Fetch a single entry' indicate a retrieval operation with no modification or side effects. The action is to query and return data matching a given slug identifier.
Attacks that exploit this kind of access
Fetch a single entry by its URL slug (matches /post/<slug> on the site). It is categorised as a Read tool in the Feedbagel MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Feedbagel MCP Server MCP server in PolicyLayer and add a rule for get_entry_by_slug: 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.
get_entry_by_slug 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 get_entry_by_slug 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 get_entry_by_slug. 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.
get_entry_by_slug 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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