TransactionOverview
AI agents call TransactionOverview to retrieve information from Phalcon without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name indicates it retrieves or summarizes transaction data (a read operation). The empty description prevents higher confidence, but the sibling tools on this server (like BalanceChange, StateChange, Trace) suggest blockchain monitoring/querying context where 'Overview' typically means inspection without side effects. No evidence of modification, deletion, or execution.
From the tool's definition Tool name 'TransactionOverview' suggests retrieval of transaction information without modification. Description is empty, limiting certainty.
Documented attack patterns abuse exactly the kind of access TransactionOverview gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Phalcon, and nothing reaches the server without passing your rules. This is the rule we recommend for TransactionOverview:
{
"version": "1",
"default": "deny",
"tools": {
"TransactionOverview": {}
}
}TransactionOverview is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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TransactionOverview. It is categorised as a Read tool in the Phalcon MCP Server, which means it retrieves data without modifying state.
Register the Phalcon MCP server in PolicyLayer and add a rule for TransactionOverview: 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 Phalcon. Nothing to install.
TransactionOverview is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the TransactionOverview 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.
Set action: deny in the PolicyLayer policy for TransactionOverview. 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.
TransactionOverview is provided by the Phalcon MCP server (mark3labs/phalcon-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Phalcon, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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7 Phalcon tools catalogued and risk-classified — across an index of 43,000+ MCP servers.