resources_set_variable

Run resources.set-variable through the Appaloft application operation catalog. Shared with CLI and HTTP/API.

SERVERAppaloft SOURCE@appaloft/mcp

Medium RISK CLASS

Category Write

Parameters 64 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/appaloft-mcp/resources-set-variable.md

WHAT IT DOES

What resources_set_variable does on Appaloft

AI agents use resources_set_variable to create or update resources in Appaloft, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Appaloft environment.

Parameter	Type	Required
`key`	string	Yes
`kind`	string	—
`value`	string	Yes
`exposure`	string	Yes
`isSecret`	boolean	—
`resourceId`	string	Yes

Parameters from the server's own tool schema.

RISK

Why resources_set_variable is rated Medium

An AI agent can call resources_set_variable faster than any human can review: one bad instruction and it creates or modifies resources in Appaloft by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs resources_set_variable safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Appaloft, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For resources_set_variable, this is the rule to start with:

resources_set_variable Rate-limited

resources_set_variable 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": {
    "resources_set_variable": {
      "limits": [
        {
          "counter": "resources_set_variable_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 Appaloft, apply this rule, and every resources_set_variable call is checked against it from then on.

FAQ

Questions about resources_set_variable

What does the resources_set_variable tool do? +

Run resources.set-variable through the Appaloft application operation catalog. Shared with CLI and HTTP/API. It is categorised as a Write tool in the Appaloft MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does resources_set_variable accept? +

resources_set_variable accepts 6 parameters: key, kind, value, exposure, isSecret, resourceId. Required: key, value, exposure, resourceId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on resources_set_variable? +

Register the Appaloft MCP server in PolicyLayer and add a rule for resources_set_variable: 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 Appaloft. Nothing to install.

What risk level is resources_set_variable? +

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

Can I rate-limit resources_set_variable? +

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

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

resources_set_variable is provided by the Appaloft MCP server (@appaloft/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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