set-token-metadata · Osmosis MCP Server MCP: Risk & Policy

WHAT IT DOES

What set-token-metadata does on Osmosis MCP Server

AI agents use set-token-metadata to create or update resources in Osmosis MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Osmosis MCP Server environment.

WHY IT NEEDS A POLICY

Why set-token-metadata needs a policy

This tool creates or modifies token metadata, which is a reversible write operation. While not destructive (data can be updated again) or financial in itself, it affects token properties on a blockchain and could have significant consequences if misapplied (e.g., setting misleading metadata).

From the tool's definition The tool 'set-token-metadata' modifies token metadata on the Osmosis blockchain, which is a write operation that changes data state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set-token-metadata Rate-limited

set-token-metadata 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-token-metadata": {
      "limits": [
        {
          "counter": "set-token-metadata_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 Osmosis MCP Server, so you can run agents against it safely.

FAQ

Questions about set-token-metadata

What does the set-token-metadata tool do? +

Set metadata for a token factory token. It is categorised as a Write tool in the Osmosis MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set-token-metadata? +

Register the Osmosis MCP Server MCP server in PolicyLayer and add a rule for set-token-metadata: 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 Osmosis MCP Server. Nothing to install.

What risk level is set-token-metadata? +

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

Can I rate-limit set-token-metadata? +

Yes. Add a rate_limit block to the set-token-metadata 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-token-metadata completely? +

Set action: deny in the PolicyLayer policy for set-token-metadata. 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-token-metadata? +

set-token-metadata is provided by the Osmosis MCP Server MCP server (myronkoch-dev/mcp-osmosis). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.