babylon_submit_finality_signature

WHAT IT DOES

What babylon_submit_finality_signature does on Tenzro Ledger MCP

AI agents invoke babylon_submit_finality_signature to trigger actions in Tenzro Ledger MCP. 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 babylon_submit_finality_signature needs a policy

This tool submits a cryptographic finality signature (EOTS - Extractable One-Time Signature) over a block hash on a blockchain network. This is an external blockchain operation that has real on-chain effects related to block finalization.

From the tool's definition Submit an EOTS over a Tenzro block hash

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

babylon_submit_finality_signature Rate-limited

babylon_submit_finality_signature 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": {
    "babylon_submit_finality_signature": {
      "limits": [
        {
          "counter": "babylon_submit_finality_signature_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 Tenzro Ledger MCP, so you can run agents against it safely.

FAQ

Questions about babylon_submit_finality_signature

What does the babylon_submit_finality_signature tool do? +

Submit an EOTS over a Tenzro block hash. It is categorised as a Execute tool in the Tenzro Ledger MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on babylon_submit_finality_signature? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for babylon_submit_finality_signature: 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 Tenzro Ledger MCP. Nothing to install.

What risk level is babylon_submit_finality_signature? +

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

Can I rate-limit babylon_submit_finality_signature? +

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

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

babylon_submit_finality_signature is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.