Search markets by keyword or category. Returns market metadata enriched with on-chain volume and trade counts from subgraphs.
AI agents call search_markets to retrieve information from Limitless MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries markets and returns metadata plus on-chain statistics. It performs a search operation that retrieves and queries data without creating, modifying, deleting, executing arbitrary code, or moving financial value. All 18 tools on this server (get_global_stats, get_market_analytics, get_liquidity_events, etc.) follow a read-only pattern of querying subgraphs for on-chain data.
From the tool's definition Tool 'search_markets' returns data via keyword/category search with enriched metadata. Description uses 'Returns' and 'search' which indicate data retrieval with no side effects.
Attacks that exploit this kind of access
Search markets by keyword or category. Returns market metadata enriched with on-chain volume and trade counts from subgraphs. It is categorised as a Read tool in the Limitless MCP MCP Server, which means it retrieves data without modifying state.
Register the Limitless MCP server in PolicyLayer and add a rule for search_markets: 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 Limitless MCP. Nothing to install.
search_markets 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 search_markets 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 search_markets. 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.
search_markets is provided by the Limitless MCP server (paulieb14/limitless-subgraphs). 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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