Get circulating supply of ALEX governance token
AI agents call alex_get_circulating_supply to retrieve information from Stacks AI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves blockchain data (circulating supply of ALEX token) without creating, modifying, deleting, or executing any operations. It is a pure read operation with no capability to affect state or commit financial transactions. Even in a DeFi context, querying token supply metrics poses minimal risk and belongs in the Read category.
From the tool's definition Tool name contains 'get' and description states 'Get circulating supply' - a retrieval operation with no side effects. Returns token supply data without modifying or executing any operations.
Attacks that exploit this kind of access
Get circulating supply of ALEX governance token. It is categorised as a Read tool in the Stacks AI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stacks AI MCP Server MCP server in PolicyLayer and add a rule for alex_get_circulating_supply: 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 Stacks AI MCP Server. Nothing to install.
alex_get_circulating_supply 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 alex_get_circulating_supply 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 alex_get_circulating_supply. 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.
alex_get_circulating_supply is provided by the Stacks AI MCP Server MCP server (stack-ai-mcp/stacks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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