Download a pattern from the store Use when native package install (
AI agents call transfer_store-download to retrieve information from Claude Flow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches or retrieves a pattern from a store, which is a read-only operation. There is no indication of creation, modification, deletion, or execution of code. The description is slightly truncated ('Use when native package install (') but the primary action is clearly a download/retrieval.
From the tool's definition Tool name is 'transfer_store-download' and description says 'Download a pattern from the store'. Download operations retrieve data without modifying state.
Attacks that exploit this kind of access
Download a pattern from the store Use when native package install (. It is categorised as a Read tool in the Claude Flow MCP Server, which means it retrieves data without modifying state.
Register the Claude Flow MCP server in PolicyLayer and add a rule for transfer_store-download: 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 Claude Flow. Nothing to install.
transfer_store-download 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 transfer_store-download 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 transfer_store-download. 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.
transfer_store-download is provided by the Claude Flow MCP server (claude-flow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.