Preview adding tags to one or more cards. Returns a token for apply_tags_update.
AI agents call add_tags_preview to retrieve information from Mochi MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a preview/read-only operation that prepares a token for a future action but does not itself modify any data. It is the first phase of a two-phase commit pattern, making no actual changes.
From the tool's definition Preview adding tags to one or more cards. Returns a token for apply_tags_update.
Attacks that exploit this kind of access
Preview adding tags to one or more cards. Returns a token for apply_tags_update. It is categorised as a Read tool in the Mochi MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Mochi MCP Server MCP server in PolicyLayer and add a rule for add_tags_preview: 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 Mochi MCP Server. Nothing to install.
add_tags_preview 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 add_tags_preview 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 add_tags_preview. 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.
add_tags_preview is provided by the Mochi MCP Server MCP server (nz99/mochi-mcp). 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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