make_keyreg_txn

Create a key registration transaction

SERVERAlgorand MCP SOURCEgoplausible/algorand-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/goplausible-algorand-mcp/make-keyreg-txn.md

WHAT IT DOES

What make_keyreg_txn does on Algorand MCP

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

RISK

Why make_keyreg_txn is rated Medium

A key registration transaction on Algorand registers or deregisters a participation key, which affects staking/consensus participation. This is a Write operation (creates a transaction/modifies blockchain state), but not inherently destructive since it's reversible. However, misuse could unintentionally take a node offline or online for consensus, which has meaningful consequences — hence high severity.

From the tool's definition Create a key registration transaction

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs make_keyreg_txn safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Algorand MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For make_keyreg_txn, this is the rule to start with:

make_keyreg_txn Rate-limited

make_keyreg_txn 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": {
    "make_keyreg_txn": {
      "limits": [
        {
          "counter": "make_keyreg_txn_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Algorand MCP, apply this rule, and every make_keyreg_txn call is checked against it from then on.

FAQ

Questions about make_keyreg_txn

What does the make_keyreg_txn tool do? +

Create a key registration transaction. It is categorised as a Write tool in the Algorand MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on make_keyreg_txn? +

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

What risk level is make_keyreg_txn? +

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

Can I rate-limit make_keyreg_txn? +

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

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

make_keyreg_txn is provided by the Algorand MCP server (goplausible/algorand-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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