random_string_2 · TinyFn MCP: Risk & Policy

WHAT IT DOES

What random_string_2 does on TinyFn

AI agents use random_string_2 to create or update resources in TinyFn — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TinyFn environment.

PARAMETERS

Parameter	Type	Required	Description
`count`	integer	—	Number of strings to generate
`length`	integer	—	Length of the string
`charset`	string	—	Character set: alphanumeric, alpha, numeric, lowercase, uppercase, hex, base64, ascii, symbols

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why random_string_2 needs a policy

An AI agent can call random_string_2 faster than any human can review — one bad instruction and it creates or modifies resources in TinyFn by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

random_string_2 Rate-limited

random_string_2 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": {
    "random_string_2": {
      "limits": [
        {
          "counter": "random_string_2_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 TinyFn, so you can run agents against it safely.

FAQ

Questions about random_string_2

What does the random_string_2 tool do? +

Generate random string(s) from specified character set. It is categorised as a Write tool in the TinyFn MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does random_string_2 accept? +

random_string_2 accepts 3 parameters: count, length, charset. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on random_string_2? +

Register the TinyFn MCP server in PolicyLayer and add a rule for random_string_2: 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 TinyFn. Nothing to install.

What risk level is random_string_2? +

random_string_2 is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit random_string_2? +

Yes. Add a rate_limit block to the random_string_2 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 random_string_2 completely? +

Set action: deny in the PolicyLayer policy for random_string_2. 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 random_string_2? +

random_string_2 is provided by the TinyFn MCP server (https://api.tinyfn.io/mcp/all/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.