List highlights from all bookmarks, a specific bookmark, or a collection. Use this to find and review saved text highlights.
AI agents call highlight_list to retrieve information from Raindrop Io 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 and displays existing highlight data without modifying, deleting, or executing operations. It is purely informational and read-only in nature, making it a Read category tool with low severity risk.
From the tool's definition Tool name 'highlight_list' and description 'List highlights from all bookmarks, a specific bookmark, or a collection. Use this to find and review saved text highlights.' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List highlights from all bookmarks, a specific bookmark, or a collection. Use this to find and review saved text highlights. It is categorised as a Read tool in the Raindrop Io MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Raindrop Io MCP Server MCP server in PolicyLayer and add a rule for highlight_list: 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 Raindrop Io MCP Server. Nothing to install.
highlight_list 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 highlight_list 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 highlight_list. 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.
highlight_list is provided by the Raindrop Io MCP Server MCP server (kazuph/mcp-raindrop). 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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