List all tags in OmniFocus.
AI agents call list_tags to retrieve information from MCP OmniFocus without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata (tags) from OmniFocus without creating, modifying, deleting, or executing any operations. It has no side effects and poses minimal security risk as it only exposes existing tag information.
From the tool's definition Tool name 'list_tags' and description 'List all tags in OmniFocus' indicate a query operation that retrieves data without modification. The verb 'list' is characteristic of Read operations.
Attacks that exploit this kind of access
List all tags in OmniFocus. It is categorised as a Read tool in the MCP OmniFocus MCP Server, which means it retrieves data without modifying state.
Register the MCP OmniFocus MCP server in PolicyLayer and add a rule for list_tags: 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 MCP OmniFocus. Nothing to install.
list_tags 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_tags 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_tags. 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_tags is provided by the MCP OmniFocus MCP server (someposer/mcp-omnifocus). 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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