AI agents call get_exchanges to retrieve information from OathScore without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries static market data (exchange operational status and timing information). It has no side effects, does not modify data, execute code, delete anything, or involve financial transactions. It is purely informational for an AI trading agent to understand market availability.
From the tool's definition Tool name 'get_exchanges' and description 'Get open/close status for CME, NYSE, NASDAQ, LSE, EUREX, TSE, HKEX with next transition times' indicate retrieval of current market status information with no modification or execution of trades.
Attacks that exploit this kind of access
Get open/close status for CME, NYSE, NASDAQ, LSE, EUREX, TSE, HKEX with next transition times. It is categorised as a Read tool in the OathScore MCP Server, which means it retrieves data without modifying state.
Register the OathScore MCP server in PolicyLayer and add a rule for get_exchanges: 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 OathScore. Nothing to install.
get_exchanges 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_exchanges 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_exchanges. 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_exchanges is provided by the OathScore MCP server (moxiespirit/oathscore). 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.
Teams ship this data inside their own products. See what a licence covers →