This record as markdown: /tools/todos/list-user-scaffolds.md
What list_user_scaffolds does on Todos
AI agents call list_user_scaffolds to retrieve information from Todos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_user_scaffolds is rated Low
This tool retrieves and displays existing user scaffolds without modifying, executing, or deleting any data. It has no side effects beyond presenting information to the user. The blast radius of misuse is minimal—an agent could only view scaffold metadata, not alter system state or trigger unwanted operations.
From the tool's definition Tool name 'list_user_scaffolds' and description 'List user-authored local scaffolds' indicate a query/retrieval operation with no modification or execution. The verb 'List' is explicitly a read operation.
Attacks that exploit this kind of access
The rule that runs list_user_scaffolds safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Todos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_user_scaffolds, this is the rule to start with:
list_user_scaffolds is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Todos, apply this rule, and every list_user_scaffolds call is checked against it from then on.
Questions about list_user_scaffolds
List user-authored local scaffolds. It is categorised as a Read tool in the Todos MCP Server, which means it retrieves data without modifying state.
Register the Todos MCP server in PolicyLayer and add a rule for list_user_scaffolds: 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 Todos. Nothing to install.
list_user_scaffolds 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 list_user_scaffolds 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 list_user_scaffolds. 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.
list_user_scaffolds is provided by the Todos MCP server (@hasna/todos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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