api_algod_get_transaction_params

THE RISK

Low Risk

Why api_algod_get_transaction_params needs a policy

This tool retrieves read-only data (suggested transaction parameters like fees, rounds, and consensus state) from the Algorand blockchain. It has no side effects, does not execute transactions, and does not modify any state. It is analogous to querying blockchain metadata, making it a Read category tool with low severity.

From the tool's definition Tool name 'get_transaction_params' and description 'Get suggested transaction parameters' indicate a retrieval operation that queries blockchain state for suggested fee and round parameters without modifying or executing transactions.

Documented attack patterns abuse exactly the kind of access api_algod_get_transaction_params gives an agent:

POLICY

How to control api_algod_get_transaction_params

PolicyLayer is an MCP gateway — it sits between your AI agents and Algorand MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for api_algod_get_transaction_params:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "api_algod_get_transaction_params": {}
  }
}

api_algod_get_transaction_params is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Algorand MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about api_algod_get_transaction_params

What does the api_algod_get_transaction_params tool do? +

Get suggested transaction parameters. It is categorised as a Read tool in the Algorand MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on api_algod_get_transaction_params? +

Register the Algorand MCP server in PolicyLayer and add a rule for api_algod_get_transaction_params: 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 api_algod_get_transaction_params? +

api_algod_get_transaction_params is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit api_algod_get_transaction_params? +

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

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

api_algod_get_transaction_params 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.

Enforce policy on every Algorand MCP tool call.

Start from Algorand MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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