ugf_sui_execute_signed_block

WHAT IT DOES

What ugf_sui_execute_signed_block does on Universal Gas Framework MCP Server

AI agents invoke ugf_sui_execute_signed_block to trigger actions in Universal Gas Framework MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why ugf_sui_execute_signed_block needs a policy

This tool broadcasts signed transactions to a blockchain. Even though it does not directly move funds (the dual signature is already applied), broadcasting a signed transaction block is an Execute action that triggers external blockchain operations whose effects are permanent and depend on the transaction contents.

From the tool's definition Broadcast a dual-signed (user + sponsor) Sui transaction block via Sui RPC. Returns {tx_digest}. The tool executes a transaction block on the Sui blockchain, which is an irreversible blockchain operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ugf_sui_execute_signed_block Rate-limited

ugf_sui_execute_signed_block stays usable, but rate-capped — a runaway agent can't fire it dozens of times 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_sui_execute_signed_block": {
      "limits": [
        {
          "counter": "ugf_sui_execute_signed_block_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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_sui_execute_signed_block

What does the ugf_sui_execute_signed_block tool do? +

Broadcast a dual-signed (user + sponsor) Sui transaction block via Sui RPC. Returns {tx_digest}. It is categorised as a Execute tool in the Universal Gas Framework MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on ugf_sui_execute_signed_block? +

Register the Universal Gas Framework MCP Server MCP server in PolicyLayer and add a rule for ugf_sui_execute_signed_block: 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_sui_execute_signed_block? +

ugf_sui_execute_signed_block is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit ugf_sui_execute_signed_block? +

Yes. Add a rate_limit block to the ugf_sui_execute_signed_block 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_sui_execute_signed_block completely? +

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

ugf_sui_execute_signed_block 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.