List all collections or child collections of a parent. Use this to understand the user\
AI agents call collection_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 collections without creating, modifying, or deleting any data. It is a pure read operation that queries the structure of the user's bookmark collections. No destructive, financial, or code-execution capabilities are present.
From the tool's definition Tool name 'collection_list' and description 'List all collections or child collections of a parent. Use this to understand the user' indicates a retrieval/query operation with no side effects.
Attacks that exploit this kind of access
List all collections or child collections of a parent. Use this to understand the user\. 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 collection_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.
collection_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 collection_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 collection_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.
collection_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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