Get a combined brief for a specific market including price, wallet flow, recent movers, feed mentions, and arbitrage context. Requires at least one of: marketId, conditionId, or query to identify the market.
AI agents call get_market_brief to retrieve information from Musashi without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only query tool that aggregates and retrieves existing market intelligence data without side effects. It takes identification parameters (marketId, conditionId, or query) to fetch summarized information about market conditions. No data is modified, deleted, executed, or committed to financial obligations.
From the tool's definition Tool description explicitly states 'Get a combined brief' and retrieves aggregate market data (price, wallet flow, movers, mentions, arbitrage context). No language indicating creation, modification, deletion, code execution, or financial transactions.
Attacks that exploit this kind of access
Get a combined brief for a specific market including price, wallet flow, recent movers, feed mentions, and arbitrage context. Requires at least one of: marketId, conditionId, or query to identify the market. It is categorised as a Read tool in the Musashi MCP Server, which means it retrieves data without modifying state.
Register the Musashi MCP server in PolicyLayer and add a rule for get_market_brief: 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 Musashi. Nothing to install.
get_market_brief 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_brief 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_brief. 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_brief is provided by the Musashi MCP server (musashibot/musashi-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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