Get comprehensive market summary including 24h stats and price changes
AI agents call get_market_summary to retrieve information from Crypto MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves cryptocurrency market statistics and price information without side effects. No data is created, modified, deleted, or financial transactions are executed. The blast radius of misuse is minimal — an agent could only obtain market data, which is already publicly available. Severity is low because the worst outcome is accessing freely available information.
From the tool's definition Tool description states 'Get comprehensive market summary including 24h stats and price changes' — purely retrieves and queries market data with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Get comprehensive market summary including 24h stats and price changes. It is categorised as a Read tool in the Crypto MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Crypto MCP Server MCP server in PolicyLayer and add a rule for get_market_summary: 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 Crypto MCP Server. Nothing to install.
get_market_summary 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 get_market_summary 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 get_market_summary. 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.
get_market_summary is provided by the Crypto MCP Server MCP server (kamatalarajeev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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