save_blueprint

A write tool on the Ha Nexus Agent MCP server.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/save-blueprint.md

WHAT IT DOES

What save_blueprint does on Ha Nexus Agent

AI agents use save_blueprint 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.

RISK

Why save_blueprint is rated Medium

Saves blueprints in Home Assistant, modifying smart home automation configuration reversibly.

From the tool's definition Blueprint save operation; empty description limits certainty.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs save_blueprint 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 save_blueprint, this is the rule to start with:

save_blueprint Rate-limited

save_blueprint 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "save_blueprint": {
      "limits": [
        {
          "counter": "save_blueprint_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every save_blueprint call is checked against it from then on.

FAQ

Questions about save_blueprint

What does the save_blueprint tool do? +

save_blueprint 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.

How do I enforce a policy on save_blueprint? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for save_blueprint: 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.

What risk level is save_blueprint? +

save_blueprint is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit save_blueprint? +

Yes. Add a rate_limit block to the save_blueprint 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.

How do I block save_blueprint completely? +

Set action: deny in the PolicyLayer policy for save_blueprint. 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.

What MCP server provides save_blueprint? +

save_blueprint 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.

KEEP EXPLORING

More on Ha Nexus Agent, and thousands of servers like it.

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All 315 Ha Nexus Agent tools →

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save_snapshot on Why Did You Render → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →