update_hacs_repository

Update a HACS repository to its latest available version.

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/update-hacs-repository.md

WHAT IT DOES

What update_hacs_repository does on Ha Nexus Agent

AI agents use update_hacs_repository 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 update_hacs_repository is rated Medium

This tool modifies repository configuration and version state, fitting the Write category (creates or modifies data reversibly). The severity is high because uncontrolled repository updates in a smart home system could introduce breaking changes, bugs, or security issues that disrupt device automation and home control.

From the tool's definition Tool name 'update_hacs_repository' and description 'Update a HACS repository to its latest available version' indicate a reversible modification operation on repository state, changing its version.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_hacs_repository Rate-limited

update_hacs_repository 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": {
    "update_hacs_repository": {
      "limits": [
        {
          "counter": "update_hacs_repository_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 update_hacs_repository call is checked against it from then on.

FAQ

Questions about update_hacs_repository

What does the update_hacs_repository tool do? +

Update a HACS repository to its latest available version. 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 update_hacs_repository? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for update_hacs_repository: 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 update_hacs_repository? +

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

Can I rate-limit update_hacs_repository? +

Yes. Add a rate_limit block to the update_hacs_repository 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 update_hacs_repository completely? +

Set action: deny in the PolicyLayer policy for update_hacs_repository. 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 update_hacs_repository? +

update_hacs_repository 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 276 Ha Nexus Agent tools →

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aroflo_create_or_update_record on AroFlo MCP →team_manager_update_budget on Team Manager MCP → The MCP Attack Database →

Guides

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