Search the web in real time using Linkup to retrieve current information, facts, and news from trusted sources. Use this tool for: real-time data (weather, stocks, sports scores, events), breaking news, current events, recent research, product information, up-to-date prices, schedules, and any in...
AI agents call linkup-search to retrieve information from Linkup 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 web search tool that retrieves and queries information from external sources. It has no capability to modify, delete, or execute operations. The primary blast radius from misuse is retrieval of potentially sensitive public information, which is a minimal security risk compared to other categories.
From the tool's definition Tool description states it "Search[es] the web in real time" and "retrieve[s] current information, facts, and news from trusted sources." No creation, modification, deletion, code execution, or financial operations are mentioned.
Documented attack patterns abuse exactly the kind of access linkup-search gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Linkup, and nothing reaches the server without passing your rules. This is the rule we recommend for linkup-search:
{
"version": "1",
"default": "deny",
"tools": {
"linkup-search": {}
}
}linkup-search is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Search the web in real time using Linkup to retrieve current information, facts, and news from trusted sources. Use this tool for: real-time data (weather, stocks, sports scores, events), breaking news, current events, recent research, product information, up-to-date prices, schedules, and any information not available in your knowledge base. Returns comprehensive content from the most relevant sources. It is categorised as a Read tool in the Linkup MCP Server, which means it retrieves data without modifying state.
Register the Linkup MCP server in PolicyLayer and add a rule for linkup-search: 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 Linkup. Nothing to install.
linkup-search 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 linkup-search 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 linkup-search. 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.
linkup-search is provided by the Linkup MCP server (linkup-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Linkup, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
4 Linkup tools catalogued and risk-classified — across an index of 43,000+ MCP servers.