make_template_card
A write tool on the Ha Nexus Agent MCP server.
This record as markdown: /tools/fistacho-ha-nexus-agent/make-template-card.md
What make_template_card does on Ha Nexus Agent
AI agents use make_template_card to create or update resources in Ha Nexus Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ha Nexus Agent environment.
Why make_template_card is rated Medium
Based on the name, this tool likely creates a template card in a Home Assistant dashboard, which is a Write operation. However, the empty description significantly lowers confidence. Severity is medium as misconfigured UI cards could affect smart home control interfaces. Given sibling tools like 'add_card_to_view', this is consistent with dashboard manipulation.
From the tool's definition Tool name 'make_template_card' suggests creating a card (likely a dashboard/UI card in Home Assistant); description is empty and uninformative.
Attacks that exploit this kind of access
The rule that runs make_template_card safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ha Nexus Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For make_template_card, this is the rule to start with:
make_template_card stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every make_template_card call is checked against it from then on.
Questions about make_template_card
make_template_card is a write tool on the Ha Nexus Agent MCP server. It is categorised as a Write tool in the Ha Nexus Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for make_template_card: 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 Ha Nexus Agent. Nothing to install.
make_template_card is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the make_template_card 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 make_template_card. 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.
make_template_card is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Ha Nexus Agent, and thousands of servers like it.
This server
Across the catalogue