AI agents call search-issues to retrieve information from Linear MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Search operations retrieve and query data without modification or side effects. No description was provided, which lowers confidence slightly, but the tool name and context among other Read-category operations (list-*) strongly indicate this is a data retrieval function. There is no evidence it creates, modifies, deletes, or executes anything.
From the tool's definition Tool name 'search-issues' indicates a query/search operation. The Linear MCP Server description lists 'viewing' as a core feature, and this tool fits that pattern.
Documented attack patterns abuse exactly the kind of access search-issues gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Linear MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for search-issues:
{
"version": "1",
"default": "deny",
"tools": {
"search-issues": {}
}
}search-issues is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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search-issues. It is categorised as a Read tool in the Linear MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Linear MCP Server MCP server in PolicyLayer and add a rule for search-issues: 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 Linear MCP Server. Nothing to install.
search-issues 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-issues 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-issues. 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-issues is provided by the Linear MCP Server MCP server (samcfinan/linear-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Linear MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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18 Linear MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.