Master tool: fetches ALL 7 signals and computes the overall
AI agents call get_market_readiness_index to retrieve information from SIGNALS Market Readiness 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 and aggregates pre-computed energy market data from external sources (Yahoo Finance, ENTSOG, AGSI+) without modifying state, executing commands, or triggering financial transactions. The computation of an index from existing signals is a read operation. No side effects or irreversible actions are described.
From the tool's definition Tool name 'get_market_readiness_index' uses 'get' verb indicating data retrieval. Description states it 'fetches ALL 7 signals and computes the overall' — a read and aggregation operation with no modification, deletion, or execution of external commands.
Attacks that exploit this kind of access
Master tool: fetches ALL 7 signals and computes the overall. It is categorised as a Read tool in the SIGNALS Market Readiness MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SIGNALS Market Readiness MCP Server MCP server in PolicyLayer and add a rule for get_market_readiness_index: 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 SIGNALS Market Readiness MCP Server. Nothing to install.
get_market_readiness_index 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_readiness_index 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_readiness_index. 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_readiness_index is provided by the SIGNALS Market Readiness MCP Server MCP server (markloveridge-rex/signals-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.
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