upstash_redis_set · UnClick MCP: Risk & Policy

WHAT IT DOES

What upstash_redis_set does on UnClick

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

PARAMETERS

Parameter	Type	Required	Description
`ex`	number	—	Expiry in seconds (optional)
`key`	string	Yes
`db_id`	string	Yes
`email`	string	Yes
`value`	string	Yes	Value to store
`api_key`	string	Yes

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why upstash_redis_set needs a policy

This tool creates or modifies data (a key-value pair) in a Redis database. It is reversible—the value can be overwritten or deleted later—making it a Write operation rather than Destructive.

From the tool's definition Tool name 'upstash_redis_set' and description 'Set a key-value pair in an Upstash Redis database' indicate creation or modification of data in a persistent store.

Risk signalsHandles credentials or secrets (api_key)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upstash_redis_set Rate-limited

upstash_redis_set 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": {
    "upstash_redis_set": {
      "limits": [
        {
          "counter": "upstash_redis_set_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches UnClick, so you can run agents against it safely.

FAQ

Questions about upstash_redis_set

What does the upstash_redis_set tool do? +

Set a key-value pair in an Upstash Redis database. It is categorised as a Write tool in the UnClick MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does upstash_redis_set accept? +

upstash_redis_set accepts 6 parameters: ex, key, db_id, email, value, api_key. Required: key, db_id, email, value, api_key. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on upstash_redis_set? +

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

What risk level is upstash_redis_set? +

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

Can I rate-limit upstash_redis_set? +

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

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

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