ugf_x402_submit_signed

WHAT IT DOES

What ugf_x402_submit_signed does on Universal Gas Framework MCP Server

AI agents use ugf_x402_submit_signed to create or update resources in Universal Gas Framework MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Universal Gas Framework MCP Server environment.

WHY IT NEEDS A POLICY

Why ugf_x402_submit_signed needs a policy

An AI agent can call ugf_x402_submit_signed faster than any human can review — one bad instruction and it creates or modifies resources in Universal Gas Framework MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ugf_x402_submit_signed Rate-limited

ugf_x402_submit_signed 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": {
    "ugf_x402_submit_signed": {
      "limits": [
        {
          "counter": "ugf_x402_submit_signed_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about ugf_x402_submit_signed

What does the ugf_x402_submit_signed tool do? +

Submit a locally-signed x402 payload to UGF. Pair with ugf_x402_build_typed_data. It is categorised as a Write tool in the Universal Gas Framework 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 ugf_x402_submit_signed? +

Register the Universal Gas Framework MCP Server MCP server in PolicyLayer and add a rule for ugf_x402_submit_signed: 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 Universal Gas Framework MCP Server. Nothing to install.

What risk level is ugf_x402_submit_signed? +

ugf_x402_submit_signed is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ugf_x402_submit_signed? +

Yes. Add a rate_limit block to the ugf_x402_submit_signed 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 ugf_x402_submit_signed completely? +

Set action: deny in the PolicyLayer policy for ugf_x402_submit_signed. 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 ugf_x402_submit_signed? +

ugf_x402_submit_signed is provided by the Universal Gas Framework MCP Server MCP server (tychiwallet/ugf-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.