make_app_clear_txn

THE RISK

High Risk

Why make_app_clear_txn needs a policy

This tool creates and executes an Algorand application clear state transaction, which removes an account's local state from a smart contract. While it doesn't delete the application itself, clearing local state is a significant blockchain operation that triggers smart contract logic (the ClearStateProgram) and is irreversible on-chain.

From the tool's definition Create an application clear state transaction

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

POLICY

How to control make_app_clear_txn

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 make_app_clear_txn:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "make_app_clear_txn": {
      "limits": [
        {
          "counter": "make_app_clear_txn_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

make_app_clear_txn 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.

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.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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All 172 Algorand MCP tools →

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Go deeper

Govern code and CI agents → Branch allowlists, approval on merges, and rate caps on the build and pipeline tools agents trigger.
High-risk tools in Algorand MCP → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
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 make_app_clear_txn

What does the make_app_clear_txn tool do? +

Create an application clear state transaction. It is categorised as a Execute tool in the Algorand 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 make_app_clear_txn? +

Register the Algorand MCP server in PolicyLayer and add a rule for make_app_clear_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_app_clear_txn? +

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

Can I rate-limit make_app_clear_txn? +

Yes. Add a rate_limit block to the make_app_clear_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_app_clear_txn completely? +

Set action: deny in the PolicyLayer policy for make_app_clear_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_app_clear_txn? +

make_app_clear_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.

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.

CHECK YOUR STACK →