AI agents call list_top_boosted_tokens to retrieve information from Coin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries data about boosted tokens from market data sources with no side effects. The name pattern and server purpose (answering market questions via natural language) indicate passive data retrieval. The empty description limits confidence slightly, but the naming convention and context strongly suggest a read-only list operation typical of market data APIs.
From the tool's definition Tool name 'list_top_boosted_tokens' contains 'list', which is a typical Read operation verb. The broader server context confirms this is a 'cryptocurrency market-data MCP server' focused on querying data sources.
Attacks that exploit this kind of access
list_top_boosted_tokens. It is categorised as a Read tool in the Coin MCP Server, which means it retrieves data without modifying state.
Register the Coin MCP server in PolicyLayer and add a rule for list_top_boosted_tokens: 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 Coin. Nothing to install.
list_top_boosted_tokens 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 list_top_boosted_tokens 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 list_top_boosted_tokens. 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.
list_top_boosted_tokens is provided by the Coin MCP server (sweetcornna/coin-mcp). 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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