List all LINE Official Accounts available to this MCP instance, from the multi-OA config file (or single-OA env mode). Useful before line_use_oa to discover the OA IDs. Args: - response_format:
AI agents call line_list_oas to retrieve information from Line Oa Mcp Ultimate without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple enumeration/listing operation with no side effects. It queries available OA configurations from a config file to help users discover OA IDs before using other tools. This is a straightforward Read operation with minimal risk—it only retrieves existing configuration data and poses no threat of data loss, financial impact, or execution of external operations.
From the tool's definition Tool name 'line_list_oas' and description 'List all LINE Official Accounts available' clearly indicates a read-only operation that retrieves and enumerates data without modification.
Documented attack patterns abuse exactly the kind of access line_list_oas gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Line Oa Mcp Ultimate, and nothing reaches the server without passing your rules. This is the rule we recommend for line_list_oas:
{
"version": "1",
"default": "deny",
"tools": {
"line_list_oas": {}
}
}line_list_oas is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all LINE Official Accounts available to this MCP instance, from the multi-OA config file (or single-OA env mode). Useful before line_use_oa to discover the OA IDs. Args: - response_format:. It is categorised as a Read tool in the Line Oa Mcp Ultimate MCP Server, which means it retrieves data without modifying state.
Register the Line Oa Mcp Ultimate MCP server in PolicyLayer and add a rule for line_list_oas: 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 Line Oa Mcp Ultimate. Nothing to install.
line_list_oas 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 line_list_oas 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 line_list_oas. 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.
line_list_oas is provided by the Line Oa Mcp Ultimate MCP server (wasintoh/line-oa-mcp-ultimate). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 34 Line Oa Mcp Ultimate tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
34 Line Oa Mcp Ultimate tools catalogued and risk-classified — across an index of 42,500+ MCP servers.