set_env

SERVERDenkopsai SOURCE@denkopsai/mcp

Medium RISK CLASS

Category Write

Parameters 33 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/denkopsai-mcp/set-env.md

WHAT IT DOES

What set_env does on Denkopsai

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

Parameter	Type	Required
`key`	string	Yes
`value`	string	Yes
`project_id`	string	Yes

Parameters from the server's own tool schema.

RISK

Why set_env is rated Medium

This tool creates or modifies environment variables in a project configuration. While environment variables can significantly impact application behavior (especially if they contain secrets, API keys, or configuration), the change is staged and reversible (can be redeployed with different values). It does not permanently delete data or move money, so it falls under Write rather than Destructive or Financial.

From the tool's definition Tool description states 'Set/overwrite a DenkOps project's environment variable' and 'The change is staged — run the redeploy tool to apply it.' This is a reversible modification operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_env safely

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

set_env Rate-limited

set_env 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": {
    "set_env": {
      "limits": [
        {
          "counter": "set_env_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 Denkopsai, apply this rule, and every set_env call is checked against it from then on.

FAQ

Questions about set_env

What does the set_env tool do? +

Set/overwrite a DenkOps project's environment variable. Values are write-only (cannot be read back). The change is staged — run the redeploy tool to apply it. Reserved keys (DENKOPS_*, etc.) are rejected. It is categorised as a Write tool in the Denkopsai MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does set_env accept? +

set_env accepts 3 parameters: key, value, project_id. Required: key, value, project_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_env? +

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

What risk level is set_env? +

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

Can I rate-limit set_env? +

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

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

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

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