picnic_get_wallet_transaction_details

THE RISK

Low Risk

Why picnic_get_wallet_transaction_details needs a policy

This tool retrieves transaction details from a wallet without creating, modifying, or deleting data. The 'get' verb and informational purpose confirm it is a Read operation. Severity is low because querying historical transaction data poses minimal risk even if accessed by an unauthorized agent; no financial movements or account modifications are possible.

From the tool's definition Tool name contains 'get' and description states 'Get detailed information about a specific wallet transaction' — a pure query operation with no side effects.

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

POLICY

How to control picnic_get_wallet_transaction_details

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

policy.json

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

picnic_get_wallet_transaction_details 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 MCP Picnic — 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

Related tools and policies

More MCP Picnic tools

Destructive picnic_cancel_delivery Cancel a delivery order Destructive picnic_clear_cart Clear all items from the shopping cart Execute picnic_verify_2fa_code Verify a 2FA code Write picnic_remove_from_cart Remove a product from the shopping cart Write picnic_rate_delivery Rate a completed delivery Write picnic_add_to_cart Add a product to the shopping cart Write picnic_send_delivery_invoice_email Send or resend the invoice email for a completed delivery Write picnic_set_delivery_slot Select a delivery time slot

All 25 MCP Picnic tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
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 →

FAQ

Questions about picnic_get_wallet_transaction_details

What does the picnic_get_wallet_transaction_details tool do? +

Get detailed information about a specific wallet transaction. It is categorised as a Read tool in the MCP Picnic MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on picnic_get_wallet_transaction_details? +

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

What risk level is picnic_get_wallet_transaction_details? +

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

Can I rate-limit picnic_get_wallet_transaction_details? +

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

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

picnic_get_wallet_transaction_details is provided by the MCP Picnic MCP server (ivo-toby/mcp-picnic). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Picnic tool call.

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

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